United States Office of Air Quality EPA-450/1-78-002
Environmental Protection Planning and Standards March 1978
Agency Research Triangle Park NC 27711
__
c/EPA Standard Air Pollution
Classification Network:
A Thesaurus of Terms
(As used in the
APTIC Data Base)
Second Edition
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EPA-450/1-78-002
Standard Air Pollution
Classification Network:
A Thesaurus of Terms
(As used in the APTIC Data Base)
Second Edition
by
Peter Halpin
Manpower and Technical Information Branch
Office of Air Quality Planning and Standards
U.S. ENVIRONMENTAL PROTECTION AGENCY
Office of Air and Waste Management
Office of Air Quality Planning and Standards
March 1978
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This report is issued by the Environmental Protection Agency to report technical data of interest to a
limited number of readers. Copies are available free of charge to Federal employees, current
contractors and grantees, and nonprofit organizations - in limited quantities - from the Library
Services Office (MD-35), U.S. Environmental Protection Agency, Research Triangle Park, N.C.
27711.
This document has been reviewed by the Office of Air Quality Planning and Standards, U.S.
Enviromental Protection Agency, and approved for publication. Approval does not signify that the
contents necessarily reflect the views and policies of the Environmental Protection Agency, nor
does mention of trade names or commercial products constitute endorsement or recommendation
for use.
Publication No. EPA-450/1-78-002
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CONTENTS
INTRODUCTION
PART I. THESAURUS OF TERMS
PART II. SYSTEMATIC MICROTHESAURUS
Languages
Categories of Air Pollution Information
Characterizations of Air Pollution Documents ..
Hierarchical Listing of Air Pollution Descriptors
PART III. DESCRIPTORS
BIBLIOGRAPHY
in
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STANDARD AIR POLLUTION
CLASSIFICATION NETWORK:
A THESAURUS OF TERMS
(AS USED IN THE APTIC DATA BASE)
INTRODUCTION
The purpose of this thesaurus, is to present the special standardized terminology* used for the
storage of, and search for, information in the APTIG file. This second edition consists of this
standardized terminology and illustrates the rules formulated for its use. The thesaurus should
control the terminology and enable any inconsistencies to be resolved when indexers or searchers
translate from the language of each document, or search request, into the conceptual system
language presented here.
The thesaurus is divided into three main parts: Thesaurus of Terms; Systematic Microthesaurus
which is subdivided into four sections, one of which contains the hierarchical air pollution
descriptors; and Descriptors. The network of conceptual relationships among the terms is implicit
in the structure of the thesaurus, which shows terms that are related semantically and generically.
This thesaurus applies to the subject matter complex of air pollution. The meanings of the terms
are implied rather than defined, the meanings being implicit in the network of conceptual
relationships represented among the terms.f
The terms in Part I, Thesaurus of Terms, are arranged in alphabetical order, and each term is
classified by arrangement in its hierarchical class. The terms permitted by a thesaurus for use in
indexing are called descriptors. Approximately 2300 of these terms are authorized descriptors for
the APTIC file:}:. They are intended to represent, unambiguously, the concepts of documents and
search requests.
*Searle, V.C. (and others). Thesaurus of Air Pollution Indexing Terms. Washington, D.C.: U.S. Public Health Service; 1966.
^Guidelines for the Establishment and Development of Monolingual Thesauri. Paris: UNESCO, UNISIST; 1973.
September; SC/WS/555.
(Data base). Palo Alto, CA: Lockheed Information Systems; (1977).
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Throughout the thesaurus, some proper names are used on some of the descriptors. These
terms, however, denote concepts that may be perceived in many specific individual entities or
implementations; e.g., DIESEL ENGINES. Many geographical or geopolitical names are included.
In Part I, all the proper names are interrelated, in the same way as other descriptors.
Each descriptors in the thesaurus denotes a subject matter concept of air pollution. An attempt
was made to keep the number of words in the descriptors to a minimum. Care has been taken to
ensure that each term (together with the relations represented) conveys the intended meaning as
accurately as possible. Widely accepted spellings have been used.
The noun form and the plural form were preferred for the descriptors. In a few instances, the
adjectival form has been used for single-word modifiers; e.g., ACUTE, CONTINUOUS,
INTERNATIONAL, SEASONAL. Abbreviations and acronyms have been used only when they
offered a significant practical gain or a length within the system limits; e.g., POL STORAGE,
LASERS. In addition, the following abbreviations are used: NEC for Not Elsewhere Classified and
SIC for Standard Industrial Classification. Only upper case letters are used. The longest descriptor
is composed of 77 characters.
The only punctuation marks used in descriptors are parentheses, hyphens, commas, and slash
marks. Arabic numbers have been used to denote some chemicals; numerals normally used as
subscripts have, instead, been aligned with the other characters in the descriptors. In Part I, in some
scope notes (explained below), the symbol for "less than" is also used. Homographs are marked
and distinguished by parenthetical qualifiers suffixed to the descriptors; e.g., POTATOES (IRISH)
and POTATOES (SWEET).
Scope notes or supplementary notes, denoted by the letter S, have been used for the following
purposes:
1. To explain abbreviations and acronyms; e.g.,
OCP PROCESSES
S OFFICE OF COAL RESEARCH PROCESSES
POL STORAGE
S PETROLEUM-OILS-LUBRICANTS STORAGE
2. To chronicle the addition, deletion, and other changes in descriptors; e.g.,
ABATEMENT
S TERM ADDED APRIL 1967
3. To restrict the use of descriptors; e.g.,
DEPOSITION PHENOMENA
S CHEMICAL, PHYSICAL and METEOROLOGICAL, EXCLUDING RESPIRATORY
VENTILATION
S CONTROL METHOD, EXCLUDES PULMONARY
The supplementary note SUPERSEDED TERM has been used to indicate terms that may still be
recorded in the system although they have alreadly been superseded.
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The descriptors were developed by the use of many sources, including three main ones.*,t4
The interrelationships among the concepts are represented by the interrelationships among the
words used to denote them. This network of relationships provides a kind of implicit definition by
appropriately placing each descriptor into the semantic space.
In Part I, the relationship between equivalent terms (synonyms for the purposes of the system) is
represented by employing USE references. The reciprocal relationship is represented by USE FOR
references (denoted by UF), which accompany authorized descriptors to which USE references
refer. As employed here, the USE reference leads from a non-descriptor* to one descriptor. I n many
cases, however, two or more descriptors may be needed to denote a concept. The prescription of a
single descriptor is riot intended to exclude any of the following: indexing of additional descriptors
to denote the concept; indexing of "open-end" terms (for systems in which they are authorized): or
use of other terms in searchable text; e.g., an abstract (in systems in which one is included). Indeed,
one of these techniques is often obviously essential.
The hierarchical or generic/specific relationship between classes of concepts is represented by
employing the references BROADER TERM (BT) and NARROWER TERM (NT) proceeding
descriptors denoting such concepts. Whenever possible, generic class membership rather than
part-whole relationship is represented. These and other references are shown in the examples that
precede Part I.
Other relationships among concepts that have some association or affinity (e.g., similarity,
antonymity) are represented by employing the reference RELATED TERM (RT). In general, the
RT's refer to descriptors outside the hierarchy of the main entry descriptor. Other terms, related to
these, may, of course, also be located by (1) entering at the broader term (BT) at the next more
generic level and consulting any other narrower terms (NT) listed there and/or (2) entering at the
related term (RT) and consulting any narrower terms (NT) listed there.
Part I, Thesaurus of Terms, is arranged alphabetically, and both descriptors and nondescriptors
are included. All broader terms within the hierarchy and all narrower terms at the next more specific
level of the hierarchy are displayed with each descriptor. Broader terms appear in alphabetical
order, regardless of whether they represent one or more levels above the main term.
The sequence of alphabetizing (collating or sorting sequence) in Part I is letter-by-letter. The
computer was programmed to ignore all spaces between words and all characters other than
letters, numerals, and parentheses. The sequence is: parentheses, numerals in ascending value,
and letters in order A-Z.
Part II, Systematic Microthesaurus, contains all descriptors currently being indexed, including
those representing languages. A single hierarchy is used for each concept. The various hierarchical
levels are shown by corresponding indentations.
Part III, Descriptors, lists the descriptors and superseded terms separately. The computer
sorted the descriptors in this sequence: space, left parentheses, right parentheses, comma,
* Office of Management and Budget. Standard Classification Manual. Washington. U.S. Governmental Printing Office; 1972.
f Department of Defense. Thesaurus of Engineering and Scientific Terms. 1967; AD672000.
£ Oak Ridge National Laboratory. Environmental Terminology Index (Preliminary Edition). 1972 November; ORNL-EIS-72-
22, Volume I and II.
** Concept-denoting terms not permitted in indexing are regarded as unauthorized terms and are called non-descriptors.
.3
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hyphen, slash, numerals 0-9, and letters A-Z. This word-by-word listing may be useful for searching
in systems that feature right hand truncation.
EPA is sponsoring the compilation of another environmental, thesaurus at Oak Ridge National
Laboratory. Unlike other on-line files, however, the decision to make the APTIC file publicly
accessible was made before the availability of an up-to-date thesaurus. Since the appearance of the
original thesaurus in 1966, the authorized descriptors have been revised several times. These
revisions posed no problem because only a small group was searching the system and changes
could be easily communicated and coordinated within it. Once the APTIC file was made publicly
accessible via an international network, however, thousands of searchers urgently needed an up-
to-date thesaurus. Notification of this new edition of our original thesaurus has been sent to the
clearinghouse for English-language thesauri:
Bibliographic Systems Center
School for Library Science
Case Western Reserve University
Cleveland, Ohio 44106
We intend to update, continuously, the terms related to air pollution that are applied to EPA's
bibliographic file(s). The author is charged with such updating.
It should be noted that this edition covers all revisions to date. The latest revisions were made in
September, 1976. For the present, however, because of limitations in the capability of the
computerized information system, we can not update further any of the descriptors authorized for
indexing in this thesaurus.
Needed scope notes were included to the maximum extent possible in the time available.
Because of the urgent need for this thesaurus, however, it has not been possible to incorporate all
scope notes desired.
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EXAMPLES OF ENTRIES AND NOTATIONS
(PART I)
A. Descriptor-
B. Supplementary Note
-ANIMALS (NON-HUMAN)
- S TERM ADDED SEPTEMBER 1974
BT ANIMALS-"
NT AQUATIC ANIMALS-
NT WILDLIFE-
FARMS-
HUMANJ
RT
RT
UF
FAUNA-*-
D. Broader Term
E. Narrower Terms*
F. Related Terms*
G. Use-For Reference
C. Use Reference •
-^ABATTOIRS
USE SLAUGHTERING PLANTS
*These examples have been shortened from the official entries in the main part of the thesaurus.
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EXPLANATION OF EXAMPLES
(Refer to Corresponding Letters on Preceding Facing Page)
A. This is the main entry position for descriptors.
B. S = Supplementary Note or Scope Note. Used only when needed to clarify the application of a
descriptor.
C. Use Reference. The descriptor following the USE symbol is the authorized descriptor to be used
instead of the term entered. In a few instances, another descriptor may also need to be used, along
with this descriptor, to represent the entry. See G where reciprocal entries are displayed.
D. BT = Broader Term. The descriptor following this symbol represents a generically broader class
that includes, as a member, the concept represented by the main entry descriptor.
E. NT = Narrower Term. The reciprocal of D above.
F. RT = Related Term. Related terms represent concepts that are not considered as belonging to the
same generic class as the concept represented by the main entry descriptor, but the former have
close association with, or affinity for, the latter.
G. UF = Use For. The descriptor at the main entry is to be used for any term following this symbol.
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BIBLIOGRAPHY
Connolly, J.A., V.P. Fuschini, andS.S. Radinsky. 1974. User's Guide to the Solid Waste Information
Retrieval System Thesaurus. SW-104-01. U.S. Environmental Protection Agency, Washington,
DC.
Fair, D.H. et al. July 1971. SAROAD Parameter Coding Manual. APTD-0633, PB 207348, U.S.
Environmental Protection Agency, Washington, DC.
Loquercio, P., and W.J. Stanley. 1968. Air Pollution Manual of Coding. PHS-1756, U.S. Department
of Health, Education, and Welfare, National Center for Air Pollution Control, Washington, DC.
Report of the Interagency Working Group on Health and Environmental Effects of Energy Use.
November 1974. PB237937, Council on Environmental Quality, Washington, DC.
U.N. Environmental Programme. List of Subject Attributes. Nairobi: International Referral Service
for Sources of Environmental Information. (Undated).
U.S. Department of Commerce. January 1965. Standard Land Use Coding Manual. U.S.
Government Printing Office, Washington, DC.
U.S. Environmental Protection Agency. March 1974. A Description of the Analytical Techniques
and Associated SAROAD Method Codes Used in Storing Data in the National Aerometric Data
Bank. OAQPS-1.2-017, Office of Air Quality Planning and Standards, Durham, NC.
U.S. Environmental Protection Agency. NEDS Source Classification Codes. December 1973. Office
of Air Quality Planning and Standards, Durham, NC.
U.S. Environmental Protection Agency. July 1971. SAROAD Users Manual. APTD-0663, PB 201408,
Office of Air Programs, Durham, NC.
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PARTI
THESAURUS
OF
TERMS
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PART I - THESAURUS OF TERMS
ABATEMENT
S TERM ADDED APRIL 1967
RT AIR QUALITY MAINTENANCE AREAS
RT CONTROL PROGRAMS
UF AIR POLLUTION ABATEMENT
UF POLLUTION ABATEMENT
UF SMOKE ABATEMENT
ABATTOIRS
USE SLAUGHTERING PLANTS
ABRASIVE BLASTING
S TERM ADDED SEPTEMBER 1974
BT CONSTRUCTION INDUSTRY
BT CONSTRUCTION-SPECIAL TRADES
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF BLASTING (ABRASIVE)
UF SAND BLASTING
ABRASIVES
BT MATERIALS
ABSCISSION
S TERM ADDED SEPTEMBER 1974
BT PLANT GROWTH AND DEVELOPMENT
ABSENTEEISM
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
RT HEALTH IMPAIRMENT
RT PERSONNEL
ABSORBERS (MATERIALS)
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
UF MOLECULAR SIEVES
ABSORPTION (CONTROL)
BT CONTROL METHODS
UF ABSORPTION
ABSORPTION (GENERAL)
RT ABSORPTION (CONTROL)
RT ABSORPTION PHENOMENA
ABSORPTION
S SUPERSEDED TERM
USE ABSORPTION (CONTROL)
ABSORPTION PHENOMENA
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
ABUNDANCE
USE AVAILABILITY
ACCELERATION
USE ENGINE OPERATING CYCLES
ACCESSIBILITY
USE AVAILABILITY
ACENAPHTHALENES
BT HYDROCARBONS
BT POLYNUCLEAR COMPOUNDS
ACETALDEHYDE
BT ALDEHYDES
ACETATE FIBER MANUFACTURING
USE PLASTICS MATERIALS AND SYNTHETIC PLANTS
ACETIC ACID
BT ACIDS
BT ORGANIC ACIDS
ACETONE
BT KETONES
ACETONE MANUFACTURING
USE CHEMICALS AND ALLIED MANUFACTURING
ACETYLENES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
BT OLEFINS
NT BUTYNES
NT PROPYNES
ACID RAIN
USE WASHOUT
ACIDS
NT INORGANIC ACIDS
NT ORGANIC ACIDS
RT ACID SMUTS
RT PH
ACID SMUTS
BT POLLUTANTS
ACRIDINES
BT NITROGEN ORGANIC COMPOUNDS
ACROLEIN
BT ALDEHYDES
UF ACRYLALDEHYDE
UF PROPENAL
ACRYLALDEHYDE
USE ACROLEIN
ACRYLIC FIBER MANUFACTURING
USE PLASTICS MATERIALS AND SYNTHETIC PLANTS
1-1
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ACTIVATED CARBON
THESAURUS
ACTIVATED CARBON
S TERM ADDED SEPTEMBER 1974
BT CARBON
BT MATERIALS
RT ADSORPTION PHENOMENA
UF ACTIVATED CHARCOAL
ACTIVATED CHARCOAL
USE ACTIVATED CARBON
ACUTE
RT CHRONIC
ADAPTATION
BT BIOLOGICAL PROCESSES AND FUNCTIONS
RT IMMUNOLOGY
RT INHIBITION
RT THRESHOLDS
UF BIOLOGICAL ADAPTATION
UF PHYSIOLOGICAL ADAPTATION
ADDITIVES (FUEL)
USE FUEL ADDITIVES
ADENOVIRUS INFECTIONS
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
RT VIRUSES
UF INFECTIONS (ADENOVIRUS)
ADHESION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIEES
BT SURFACE PROPERTIES
ADHESIVES
BT MATERIALS
RT CEMENTS
RT SEALING COMPOUNDS
ADHESIVES MANUFACTURING
USE CHEMICALS AND ALLIED MANUFACTURING
ADIPIC ACID
S TERM ADDED SEPTEMBER 1974
BT ACIDS
BT ORGANIC ACIDS
ADIPIC ACID MANUFACTURING
USE CHEMICALS AND ALLIED MANUFACTURING
ADMINISTRATION
NT BUDGETING
NT CONTRACTING
NT GRANTS
NT IMPACT STATEMENTS
NT PLANS AND PROGRAMS
NT PROPOSALS
NT RESEARCH PROGRAMS
RT ADVISORY SERVICES
RT MEETINGS
UF MANAGEMENT
ADOLESCENCE
S TERM ADDED SEPTEMBER 1974
BT ANIMALS
ADSORPTION (CONTROL)
BT CONTROL METHODS
RT REINLUFT PROCESS
RT VAPOR RECOVERY SYSTEMS
UF ADSORPTION
ADSORPTION (GENERAL)
RT ADSORPTION (CONTROL)
RT ADSORPTION PHENOMENA
ADSORPTION
S SUPERSEDED TERM
USE ADSORPTION (CONTROL)
ADSORPTION PHENOMENA
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
RT ACTIVATED CARBON
RT CHROMATOGRAPHY
ADULTHOOD
BT ANIMALS
ADVECTION
BT ATMOSPHERIC MOVEMENTS
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
ADVISORY SERVICES
RT ADMINISTRATION
AEROALLERGENS
BT POLLUTANTS
AEROBACTER AEROGENES
USE BACTERIA
AERODYNAMICS
BT CHEMICAL AND PHYSICAL PHENOMENA
AEROMETRIC AND EMISSIONS REPORTING SYSTEM
USE DATA HANDLING SYSTEMS
AEROS (AEROMETRIC AND EMISSIONS REPORTING
SYSTEM)
USE DATA HANDLING SYSTEMS
AEROSOL-AEROSOL COLLISIONS
S TERM ADDED SEPTEMBER 1974
BT AEROSOL MECHANICS
BT AEROSOL PHENOMENA
BT PARTICULATE PROPERTIES
AEROSOL APPLICATIONS (NEC)
S TERM ADDED SEPTEMBER 1974
BT AEROSOL APPLICATIONS
BT AEROSOL PHENOMENA
AEROSOL APPLICATIONS
S TERM ADDED SEPTEMBER 1974
BT AEROSOL PHENOMENA
NT AEROSOL APPLICATIONS (NEC)
NT AEROSOL SPRAYS (ORDINARY)
NT AGRICULTURAL APPLICATIONS
NT CBR WARFARE APPLICATIONS
NT POWER AND HEATING APPLICATIONS
NT TECHNOLOGICAL APPLICATIONS
AEROSOL ATOMIZATION
BT AEROSOL PHENOMENA
NT LIQUID ATOMIZATION
I-2
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THESAURUS
AGRICULTURAL CHEMICAL PLANTS
AEROSOL ATOMIZATION—Continued
NT MONODISPERSE ATOMIZATION
NT POWDER ATOMIZATION
UF AEROSOL GENERATORS
UF ATOMIZERS
AEROSOL CANS
USE AEROSOL SPRAYS (ORDINARY)
AEROSOL CONDENSATION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL FORMATION
BT AEROSOL PHENOMENA
NT CHEMICAL CONDENSATION
NT MIXED CONDENSATION
NT MONODISPERSE CONDENSATION
UF CONDENSATION (AEROSOL)
AEROSOL DIFFUSION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL DIFFUSION AND BROWNIAN MOTION
BT AEROSOL PHENOMENA
BT PARTICULATE PROPERTIES
RT DIFFUSION PHENOMENA
AEROSOL DIFFUSION AND BROWNIAN MOTION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL PHENOMENA
BT PARTICULATE PROPERTIES
NT AEROSOL DIFFUSION
NT BROWNIAN MOTION
NT PHORESIS AND RELATED PHENOMENA
AEROSOL ELECTRICAL PHENOMENA
S TERM ADDED SEPTEMBER 1974
BT AEROSOL PHENOMENA
BT PARTICULATE PROPERTIES
RT ELECTRICAL EXCITATION
AEROSOL FORMATION (MIXED)
S TERM ADDED SEPTEMBER 1974
BT AEROSOL FORMATION
BT AEROSOL PHENOMENA
AEROSOL FORMATION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL PHENOMENA
NT AEROSOL ATOMIZATION
NT AEROSOL CONDENSATION
NT AEROSOL FORMATION (MIXED)
AEROSOL GENERATORS
USE AEROSOL ATOMIZATION
AEROSOL-MACROBODY COLLISIONS
S TERM ADDED SEPTEMBER 1974
BT AEROSOL MECHANICS
BT AEROSOL PHENOMENA
BT PARTICULATE PROPERTIES
AEROSOL MECHANICS
S TERM ADDED SEPTEMBER 1974
BT AEROSOL PHENOMENA
BT PARTICULATE PROPERTIES
NT AEROSOL-AEROSOL COLLISIONS
NT AEROSOL-MACROBODY COLLISIONS
NT GAS PHASE MECHANICS
NT NONUNIFORM AEROSOL MOTION
NT THEORETICAL AEROSOL MOTION
NT TURBULENT AEROSOL MOTION
NT UNIDIRECTIONAL AEROSOL MOTION
AEROSOL PHENOMENA
S TERM ADDED SEPTEMBER 1974
NT AEROSOL APPLICATIONS
NT AEROSOL FORMATION
NT BIOLOGICAL AND MEDICINAL AEROSOLS
NT PARTICULATE PROPERTIES
AEROSOLS
BT PARTICULATES
BT POLLUTANTS
RT SUSPENDED PARTICULATES
AEROSOL SPECTROMETERS
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SIZE CLASSIFICATION
AEROSOL SPRAYS (ORDINARY)
S TERM ADDED SEPTEMBER 1974
BT AEROSOL APPLICATIONS
BT AEROSOL PHENOMENA
UF AEROSOL CANS
UF SPRAYS (ORDINARY AEROSOL CONTAINER)
AFRICA
S TERM ADDED APRIL 1967
NT EGYPT
NT SOUTH AFRICA
AFRIKAANS
S LANGUAGE
AFTERBURNERS
USE INCINERATORS (WASTE GASES)
AGE (BIOLOGY)
S TERM ADDED APRIL 1967
BT BIOLOGICAL PROCESSES AND FUNCTIONS
UF AGE
AGE
S SUPERSEDED TERM
USE AGE (BIOLOGY)
AGGLOMERATION
USE PARTICLE GROWTH
AGGLOMERATORS (SONIC)
USE SONIC AGGLOMERATORS
AGRICULTURAL APPLICATIONS
S TERM ADDED SEPTEMBER 1974
BT AEROSOL APPLICATIONS
BT AEROSOL PHENOMENA
AGRICULTURAL BURNING
S TERM ADDED SEPTEMBER 1974
BT BURNING
BT SOURCES
BT STATIONARY EMISSION SOURCES
AGRICULTURAL CHEMICAL PLANTS
S TERM ADDED JUL Y 1969
I-3
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AGRICULTURAL INCINERATORS
THESAURUS
AGRICULTURAL CHEMICAL PLANTS—Continued
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT NITROGENOUS FERTILIZER PLANTS
NT PHOSPHATIC FERTILIZER PLANTS
UF FERTILIZER MANUFACTURING
UF SIC 287
AGRICULTURAL INCINERATORS
S TERM ADDED SEPTEMBER 1974
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INCINERATORS (REFUSE)
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
AGRICULTURAL SERVICES
S TERM ADDED SEPTEMBER 1974
BT AGRICULTURE INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT CROP SERVICES
NT FERTILIZER APPLICATION
UF SIC 07
AGRICULTURE INDUSTRY
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT AGRICULTURAL SERVICES
NT FEEDLOTS
UF FARMING (INDUSTRY)
AIDS (BIOMEDICAL)
USE TREATMENT AND AIDS
AIR CONDITIONING EQUIPMENT
BT CONTROL EQUIPMENT-GAS STREAMS
AIRCRAFT
BT MOBILE EMISSION SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
NT CIVIL AIRCRAFT
NT JET AIRCRAFT
NT MILITARY AIRCRAFT
NT PROPELLER AIRCRAFT
UF AIRPLANES
UF SIC 45
AIRCRAFT ENGINES
USE ENGINES
AIRCRAFT EXHAUST
USE ENGINE EXHAUSTS
AIRCRAFT FUELS
USE FUELS
AIRCRAFT GROUND OPERATIONS
USE AIRPORTS
AIR-FUEL RATIO
BT AUTOMOTIVE EMISSION CONTROL
BT CONTROL METHODS
BT ENGINE OPERATION MODIFICATION
RT FIRING METHODS
UF FUEL-AIR RATIO
AIR HEATERS
USE AIR PREHEAT
AIRLINERS
USE COMMERCIAL AIRCRAFT
AIRPLANES
USE AIRCRAFT
AIR POLLUTION ABATEMENT
USE ABATEMENT
AIR POLLUTION CONTROL AGENCIES
USE CONTROL AGENCIES
AIR POLLUTION CONTROL EQUIPMENT-GAS STREAMS
USE CONTROL EQUIPMENT-GAS STREAMS
AIR POLLUTION DETECTION
USE ANALYTICAL METHODS
AIR POLLUTION ECONOMICS
USE ECONOMICS
AIR POLLUTION EFFECTS (ANIMAL)
USE ANIMALS (NON-HUMAN)
AIR POLLUTION EFFECTS (HUMAN)
USE DISEASES AND DISORDERS
AIR POLLUTION EFFECTS (MATERIALS)
USE MATERIALS DETERIORATION
AIR POLLUTION EFFECTS (PLANTS)
USE PLANT DAMAGE
AIR POLLUTION EPISODES
NT ALERTS
RT EMERGENCIES
UF EPISODES (AIR POLLUTION)
AIR POLLUTION FORECASTING
BT ATMOSPHERIC PHENOMENA
UF FORECASTING (AIR POLLUTION)
UF PREDICTION (AIR POLLUTION)
AIR POLLUTION INDICES
S TERM ADDED SEPTEMBER 1974
RT AIR QUALITY MEASUREMENT PROGRAMS
RT SMOG INDEX
UF INDEX (AIR POLLUTION)
AIR POLLUTION MONITORS
USE MONITORING
AIR POLLUTION STANDARDS
USE STANDARDS
AIRPORTS
NT DIRT AIR STRIPS
RT AIRCRAFT
UF AIR TERMINALS
UF AIRCRAFT GROUND OPERATIONS
I-4
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THESAURUS
ALIPHATIC FRACTIONS
AIR PREHEAT
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT FIRING METHODS
BT PROCESS MODIFICATION
UF AIR HEATERS
UF PREHEAT (AIR)
AIR QUALITY ACT
USE CLEAN AIR ACT
AIR QUALITY CRITERIA
S TERM ADDED APRIL 1967
BT CRITERIA
AIR QUALITY DATA
USE AIR QUALITY MEASUREMENTS
AIR QUALITY DISPLAY MODEL
USE MATHEMATICAL MODELING
AIR QUALITY MAINTENANCE AREAS
S TERM ADDED SEPTEMBER 1974
RT ABATEMENT
RT CONTROL PROGRAMS
UF MAINTENANCE AREAS
AIR QUALITY MEAS
S SUPERSEDED CATEGORY TERM
USE POLLUTION DATA
AIR QUALITY MEASUREMENT PROGRAMS
BT ADMINISTRATION
BT PLANS AND PROGRAMS
NT AREA SURVEYS
NT CONTINUOUS AIR MONITORING PROGRAM (CAMP)
NT NATIONAL AIR SAMPLING NETWORK (NASN)
NT SURVEY METHODS
RT AIR POLLUTION INDICES
RT AIR QUALITY MEASUREMENTS
AIR QUALITY MEASUREMENTS
RT AIR QUALITY MEASUREMENT PROGRAMS
RT DUST FALL
RT SMOG INDEX
RT VISIBILITY
UF AIR QUALITY DATA
UF AMBIENT POLLUTION
AIR QUALITY STANDARDS
BT STANDARDS
NT MAXIMUM ALLOWABLE CONCENTRATION
UF NATIONAL AMBIENT AIR QUALITY STANDARDS
AIR QUALITY SURVEYS
S TERM ADDED SEPTEMBER 1974
BT ADMINISTRATION
BT AIR QUALITY MEASUREMENT PROGRAMS
BT AREA SURVEYS
BT PLANS AND PROGRAMS
UF SURVEYS (AIR QUALITY)
AIR RESOURCE MANAGEMENT
S TERM ADDED APRIL 1967
RT CONTROL PROGRAMS
AIR SAMPLERS
USE SAMPLERS
AIR SAMPLING
USE SAMPLING METHODS
AIR TERMINALS
USE AIRPORTS
AIRWAY RESISTANCE
USE PULMONARY RESISTANCE
AIRWAYS
USE RESPIRATORY SYSTEM
AITKEN COUNTERS
BT PARTICLE COUNTING
BT PARTICLE INVESTIGATION METHODS
ALABAMA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NT BIRMINGHAM, ALABAMA
ALASKA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
ALBANIA
S TERM ADDED SEPTEMBER 1974
BT EASTERN EUROPE
BT EUROPE
ALBANIAN
S LANGUAGE
ALCOHOLS
NT ETHYL ALCOHOL
NT PHENOLS
ALDEHYDES
NT ACETALDEHYDE
NT ACROLEIN
NT BUTYRALDEHYDES
NT FORMALDEHYDES
NT PROPIONALDEHYDES
ALERTS
BT AIR POLLUTION EPISODES
ALFALFA
BT CROPS
BT PLANTS (BOTANY)
ALFALFA DEHYDRATING
USE FEED PROCESSING
ALGAE
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
RT MICROORGANISMS
ALIPHATIC
S SUPERSEDED TERM
USE ALIPHATIC HYDROCARBONS
ALIPHATIC FRACTIONS
BT BENZENE-SOLUBLE ORGANIC MATTER
BT CHEMICAL COMPOSITION
RT ALIPHATIC HYDROCARBONS
I-5
-------
ALIPHATIC HYDROCARBONS
THESAURUS
ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
NT BUTANES
NT CYCLIC ALKANES
NT HEPTANES
NT HEXANES
NT METHANES
NT NAPHTHENES
NT OCTANES
NT OLEFINS
NT PENTANES
NT PROFANES
UF ALIPHATIC
UF PARAFIN COMPOUNDS
ALKALIES AND CHLORINE PLANTS
S TERM ADDED SEPTEMBER 1974
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT INDUSTRIAL INORGANIC CHEMICAL PLANTS
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF CHLORINE MANUFACTURING
UF SIC 2812
UF SODIUM BICARBONATE MANUFACTURING
UF SODIUM CARBONATE MANUFACTURING
ALKALINE ADDITIVES
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
NT LIME/LIMESTONE PROCESSES
NT SODIUM PROCESSES
ALKALIZED ALUMINA
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
RT ALUMINUM OXIDES
UF SODIUM ALUMINATES (ALKALIZED ALUMINA)
ALKENE HYDROCARBONS
USE OLEFINS
ALLENES
BT ALIPHATIC HYDROCARBONS
BT DIOLEFINS
BT HYDROCARBONS
BT OLEFINS
ALLERGIC RHINITIS
USE HAYFEVER
ALLERGIES
BT DISEASES AND DISORDERS
RT HAYFEVER
RT RESPIRATORY DISEASES
RT SKIN TESTS
ALPHA PARTICLES
BT CHEMICAL AND PHYSICAL PHENOMENA
BT RADIOACTIVE RADIATION
ALTITUDE
BT ATMOSPHERIC PHENOMENA
NT GROUND LEVEL
NT LOWER ATMOSPHERE
NT MIDDLE ATMOSPHERE
NT UPPER ATMOSPHERE
RT HEIGHT FINDING
UF ELEVATION
ALUMINA
USE ALUMINUM OXIDES
ALUMINUM
BT MATERIALS
BT METALS
ALUMINUM CASTING
USE NONFERROUS FOUNDRIES
ALUMINUM COMPOUNDS
BT METAL COMPOUNDS
NT ALUMINUM SILICATES
ALUMINUM OXIDES
BT OXIDES
RT ALKALIZED ALUMINA
UF ALUMINA
UF CORUNDUM
ALUMINUM PRIMARY PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT PRIMARY SMELTING AND REFINING OF
NONFERROUS METALS
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF PRIMARY ALUMINUM PRODUCTION
UF SIC 3334
ALUMINUM SECONDARY SMELTING AND REFINING
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SECONDARY SMELTING AND REFINING OF
NONFERROUS METALS
BT SOURCES
BT STATIONARY EMISSION SOURCES
ALUMINUM SILICATES
BT ALUMINUM COMPOUNDS
BT METAL COMPOUNDS
ALVEOLI
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT LUNGS
BT RESPIRATORY SYSTEM
AMBIENT POLLUTION
USE AIR QUALITY MEASUREMENTS
AMERICA
S TERM ADDED SEPTEMBER 1974
NT LATIN AMERICA
NT NORTH AMERICA
AMIDES
BT NITROGEN ORGANIC COMPOUNDS
AMINES
BT NITROGEN ORGANIC COMPOUNDS
RT AMMONIUM COMPOUNDS
I-6
-------
THESAURUS
ANNUAL
AMINES—Continued
UF NITROSAMINES
AMINO ACIDS
BT BIOCHEMISTRY
BT BIOLOGICAL FACTORS
BT PROTEINS
RT NITROGEN ORGANIC COMPOUNDS
AMMONIA
BT AMMONIUM COMPOUNDS
AMMONIA PLANTS (ANHYDROUS)
USE NITROGENOUS FERTILIZER PLANTS
AMMONIA REDUCTION
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT NOX CONTROL
BT WASTE GAS CONTROL
AMMONIA SCRUBBING
USE SCRUBBERS
AMMONIUM CHLORIDE
BT AMMONIUM COMPOUNDS
AMMONIUM COMPOUNDS
NT AMMONIA
NT AMMONIUM CHLORIDE
NT AMMONIUM SULFATE
RT AMINES
RT HYDRAZINES
AMMONIUM NITRATE PLANTS
USE NITROGENOUS FERTILIZER PLANTS
AMMONIUM SULFATE
S TERM ADDED SEPTEMBER 1974
BT AMMONIUM COMPOUNDS
AMOCO SULFUR RECOVERY PROCESS
USE WASTE GAS CONTROL
AMPEROMETRY
USE ELECTRICAL MEASUREMENT DEVICES
AMUSEMENT PARKS
USE NON-RESIDENTIAL OPERATIONS
AMYLENES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
BT OLEFINS
ANALYSIS (DATA)
USE DATA ANALYSIS
ANALYSIS (MATHEMATICAL)
USE MATHEMATICAL ANALYSES
ANALYSIS (STATISTICAL)
USE STATISTICAL ANALYSES
ANALYTICAL METHODS
NT CHEMICAL METHODS
NT CHROMATOGRAPHY
NT COLORIMETRY
NT MINERALOGICAL ANALYSIS
NT NEUTRON ACTIVATION ANALYSIS
NT SPECTROMETRY
NT SPECTROPHOTOMETRY
NT SPOT TESTS
NT TRACE ANALYSIS
NT X-RAY DIFFRACTION
RT CALIBRATION METHODS
RT INSTRUMENTATION
RT MEASUREMENT METHODS
RT TITRIMETRIC METHODS
UF AIR POLLUTION DETECTION
UF CHEMICAL ANALYSIS METHODS
UF GAS ANALYSIS METHODS
ANDERSEN SAMPLERS
USE CASCADE IMPACTORS
ANEMIA
BT DISEASES AND DISORDERS
ANEMOMETERS
BT METEOROLOGICAL INSTRUMENTS
RT WINDS
ANIMALS (NON-HUMAN)
S TERM ADDED SEPTEMBER 1974
BT ANIMALS
NT AQUATIC ANIMALS
NT BIRDS
NT CATS
NT CATTLE
NT DEER
NT DOGS
NT DOMESTIC ANIMALS
NT GOATS
NT GUINEA PIGS
NT HAMSTERS
NT HOGS
NT HORSES
NT INVERTEBRATES
NT LABORATORY ANIMALS
NT MICE
NT MULES
NT POULTRY
NT PRIMATES (NON-HUMAN)
NT RABBITS
NT RATS
NT SHEEP
NT WILDLIFE
RT FARMS
RT HUMANS
UF AIR POLLUTION EFFECTS (ANIMAL)
UF FAUNA
UF LIVESTOCK
ANIMALS
S INCLUDES HUMAN AND NON-HUMAN
NT ADOLESCENCE
NT ADULTHOOD
NT ANIMALS (NON-HUMAN)
NT FEMALES
NT HUMANS
NT INFANCY
NT MALES
NT PREADOLESCENCE
ANNUAL
RT MONTHLY
I-7
-------
ANODIZING
THESAURUS
ANODIZING
USE PLATING AND POLISHING
ANOXIA
BT DISEASES AND DISORDERS
RT HYPOXIA
ANTARCTIC REGIONS
USE POLAR REGIONS
ANTHOCYANINS
S TERM ADDED SEPTEMBER 1974
BT PIGMENT SYSTEMS
BT PLANT GROWTH AND DEVELOPMENT
UF GLYCOSIDES
ANTHRACENES
BT HYDROCARBONS
BT POLYNUCLEAR COMPOUNDS
ANTHRACITE COAL
S TERM ADDED SEPTEMBER 1974
BT COAL
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
ANTHRACOSIS
S TERM ADDED APRIL 1967
BT DISEASES AND DISORDERS
BT PNEUMOCONIOSIS
BT RESPIRATORY DISEASES
ANTIAUXINS
USE HERBICIDES
ANTIBODIES
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT IMMUNOLOGY
ANTICYCLONES
BT ATMOSPHERIC MOVEMENTS
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
RT PRESSURE (ATMOSPHERIC)
UF HIGH PRESSURE AREAS (METEOROLOGY)
ANTIDOTES
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT DRUGS
BT TREATMENT AND AIDS
ANTIGENS
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT IMMUNOLOGY
ANTIKNOCK ADDITIVES
USE FUEL ADDITIVES
ANTIMONY COMPOUNDS
BT METAL COMPOUNDS
ANTIOXIDANTS
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
BT PROTECTANTS
UF ANTIOZONANTS
ANTIOZONANTS
USE ANTIOXIDANTS
APARTMENT INCINERATORS
S TERM ADDED SEPTEMBER 1974
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INCINERATORS (REFUSE)
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT RESIDENTIAL INCINERATORS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
API GRAVITY
USE DENSITY
APPLES
BT FRUITS
BT PLANTS (BOTANY)
APRICOTS
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
AQUATIC ANIMALS
S TERM ADDED SEPTEMBER 1974
BT ANIMALS
BT ANIMALS (NON-HUMAN)
NT FISH
UF MARINE ANIMALS
UF SEA ANIMALS
AQUATIC PLANTS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
UF MARINE PLANTS
AQUEOUS SOLUTION SCRUBBING
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT WASTE GAS CONTROL
ARABIC
S LANGUAGE
ARCTIC REGIONS
USE POLAR REGIONS
AREA EMISSION ALLOCATIONS
BT LEGAL ASPECTS
BT PLANNING AND ZONING
AREA SOURCES
S TERM ADDED SEPTEMBER 1974
BT ATMOSPHERIC PHENOMENA
BT DISPERSION
RT SOURCES
AREA SURVEYS
BT ADMINISTRATION
BT AIR QUALITY MEASUREMENT PROGRAMS
BT PLANS AND PROGRAMS
NT AIR QUALITY SURVEYS
ARIZONA
BT AMERICA
I-8
-------
THESAURUS
ASPHALT PAVING
ARIZONA—Continued
BT
BT
NORTH AMERICA
UNITED STATES
ARKANSAS
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
ARMENIAN
S LANGUAGE
AROMATIC FRACTIONS
BT BENZENE-SOLUBLE ORGANIC MATTER
BT CHEMICAL COMPOSITION
RT AROMATIC HYDROCARBONS
AROMATIC HYDROCARBONS
BT HYDROCARBONS
NT BENZENES
NT NITROTOLUENES
NT PHENYL COMPOUNDS
NT TOLUENES
NT XYLENES
RT POLYNUCLEAR COMPOUNDS
ARSENIC COMPOUNDS
NT ARSINE
ARSINE
BT ARSENIC COMPOUNDS
ARTICHOKES
S TERM ADDED SEPTEMBER 1974
BT PLANTS(BOTANY)
BT VEGETABLES
ARTIFICIAL FIBERS
USE SYNTHETIC FIBERS
ARTIFICIAL RESPIRATION
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT TREATMENT AND AIDS
RT BREATHING APPARATUS
UF RESUSCITATION
ASARCO DIMETHYLANILINE PROCESS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
UF DIMETHYL ANILINE PROCESS
ASBESTOS
BT MATERIALS
BT MINERAL PRODUCTS
UF CROCIDOLITE
ASBESTOS APPLICATION
S TERM ADDED SEPTEMBER 1974
BT CONSTRUCTION INDUSTRY
BT CONSTRUCTION-SPECIAL TRADES
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
ASBESTOSIS
BT DISEASES AND DISORDERS
BT PNEUMOCONIOSIS
BT RESPIRATORY DISEASES
ASBESTOS PRODUCTS PLANTS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
BT STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
UF SIC 3292
ASCORBIC ACID
S TERM ADDED SEPTEMBER 1974
BT BIOCHEMISTRY
BT BIOLOGICAL FACTORS
BT NUTRIENTS
BT VITAMINS
UF VITAMIN C
ASHES
BT COMBUSTION PRODUCTS
BT POLLUTANTS
RT FLY ASH
ASH FRACTION
BT CHEMICAL COMPOSITION
ASH TREES
S TERM ADDED SEPTEMBER 1974
BT DECIDUOUS TREES
BT PLANTS (BOTANY)
BT TREES
ASIA
NT CHINA
NT INDIA
NT ISRAEL
NT JAPAN
ASPHALT
BT CONSTRUCTION MATERIALS
BT MATERIALS
UF GILSONITE
ASPHALT CONCRETE PLANTS (NON-REFINERIES)
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PAVING AND ROOFING MATERIALS PRODUCTION
BT PETROLEUM AND COAL PRODUCTS INDUSTRY
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF BITUMINOUS CONCRETE PLANTS (NON-
REFINERIES)
ASPHALT FELTS AND COATINGS
USE PAVING AND ROOFING MATERIALS PRODUCTION
ASPHALT PAVING
S TERM ADDED SEPTEMBER 1974
BT CONSTRUCTION INDUSTRY
BT CONSTRUCTION OTHER THAN BUILDING
CONSTRUCTION
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
I-9
-------
ASPHYXIATION
THESAURUS
ASPHALT PAVING—Continued
UF FLEXIBLE PAVING
UF PAVING (ASPHALT)
ASPHYXIATION
BT DISEASES AND DISORDERS
UF SUFFOCATION
ASPIRATORS
BT SAMPLERS
BT SAMPLING METHODS
ASSOCIATIONS (TRADE)
USE TRADE ASSOCIATIONS
ASTHMA
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
RT ALLERGIES
UF BRONCHIAL ASTHMA
ATLANTA
BT AMERICA
BT GEORGIA
BT NORTH AMERICA
BT UNITED STATES
ATMOS INTERACT
S SUPERSEDED CATEGORY TERM
USE ATMOSPHERIC INTERACTION
ATMOSPHERES (CONTROLLED)
USE CONTROLLED ATMOSPHERES
ATMOSPHERIC BOUNDARY LAYER
USE BOUNDARY LAYER
ATMOSPHERIC COMPOSITION
USE CHEMICAL COMPOSITION
ATMOSPHERIC CONDENSATION
USE CONDENSATION (ATMOSPHERIC)
ATMOSPHERIC CORROSION
USE CORROSION
ATMOSPHERIC DIFFUSION
USE DIFFUSION (ATMOSPHERIC)
ATMOSPHERIC DISPERSION
USE DISPERSION
ATMOSPHERIC ECHO SOUNDING
USE REMOTE SENSING
ATMOSPHERIC ELECTRICITY
USE ELECTRICITY (ATMOSPHERIC)
ATMOSPHERIC HUMIDITY
USE HUMIDITY
ATMOSPHERIC INTERACTION (CHEMICAL AND
PHYSICAL)
S CA TEGORY FOR APTIC NUMBERS ABOVE 100031
BT ATMOSPHERIC INTERACTION
ATMOSPHERIC INTERACTION (METEOROL AND
CLIMATOL AND TOPOGR)
S CA TEGORY FOR APTIC NUMBERS ABOVE 100031
BT ATMOSPHERIC INTERACTION
UF ATMOSPHERIC INTERACTION (METEOROLOGICAL
AND CLIMATOLOGICAL AND TOP
ATMOSPHERIC INTERACTION (METEOROLOGICAL AND
CLIMATOLOGICAL AND TOP
USE ATMOSPHERIC INTERACTION (METEOROL AND
CLIMATOL AND TOPOGR)
ATMOSPHERIC INTERACTION
S CATEGORY
NT ATMOSPHERIC INTERACTION (CHEMICAL AND
PHYSICAL)
NT ATMOSPHERIC INTERACTION (METEOROL AND
CLIMATOL AND TOPOGR)
UF ATMOS INTERACT
UF C/A-ATMOS INTERACT
UF C/S-ATMOS INTERACT
ATMOSPHERIC INVERSION
USE INVERSION
ATMOSPHERIC MOVEMENTS
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
NT ADVECTION
NT ANTICYCLONES
NT CONVECTION (ATMOSPHERIC)
NT COUNTER CURRENTS
NT CYCLONES (ATMOSPHERIC)
NT WINDS
RT STABILITY (ATMOSPHERIC)
ATMOSPHERIC PHENOMENA
NT AIR POLLUTION FORECASTING
NT ALTITUDE
NT CLIMATE
NT CONDENSATION TRAILS
NT DEGREE-DAYS
NT DISPERSION
NT ELECTRICITY (ATMOSPHERIC)
NT GREENHOUSE EFFECTS
NT HEAT ISLANDS
NT HYDROSPHERE
NT METEOROLOGY
NT MIXING HEIGHT
NT POLLUTANT SINKS
NT SCATTERING (ATMOSPHERIC)
NT STABILITY (ATMOSPHERIC)
NT TOPOGRAPHIC INTERACTIONS
NT TURBULENCE (ATMOSPHERIC)
ATMOSPHERIC POLLUTANTS
USE POLLUTANTS
ATMOSPHERIC PRECIPITATION
USE PRECIPITATION
ATMOSPHERIC PRESSURE
USE PRESSURE (ATMOSPHERIC)
ATMOSPHERIC STABILITY
USE STABILITY (ATMOSPHERIC)
ATMOSPHERIC TEMPERATURE
USE TEMPERATURE (ATMOSPHERIC)
ATMOSPHERIC TRANSPORT
USE TRANSPORT
1-10
-------
THESAURUS
AZERBAIDZHAN
ATMOSPHERIC TURBULENCE
USE TURBULENCE (ATMOSPHERIC)
ATOMIC ABSORPTION SPECTROMETRY
S TERM ADDED SEPTEMBER 1974
BT ANALYTICAL METHODS
BT SPECTROMETRY
ATOMIC ENERGY
USE NUCLEAR POWER
ATOMIC EXPLOSIONS
USE NUCLEAR EXPLOSIONS
ATOMIC POWER
USE NUCLEAR POWER
ATOMIC POWER PLANTS
USE NUCLEAR POWER PLANTS
ATOMIZERS
USE AEROSOL ATOMIZATION
ATTACK RATES
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
ATTITUDES (SOCIAL)
USE SOCIAL ATTITUDES
ATTITUDE SURVEYS
USE OPINION SURVEYS
AUSTRALASIA
S TERM ADDED SEPTEMBER 1974
BT SOUTH PACIFIC
NT AUSTRALIA
NT NEW ZEALAND
AUSTRALIA
S TERM ADDED APRIL 1967
BT AUSTRALASIA
BT SOUTH PACIFIC
AUSTRIA
S TERM ADDED SEPTEMBER 1974
BT EUROPE
BT WESTERN EUROPE
AUTO BODY INCINERATORS
S
BT
BT
BT
BT
BT
BT
BT
TERM ADDED SEPTEMBER 1974
ELECTRIC, GAS, AND SANITARY SERVICES
INCINERATORS (REFUSE)
INDUSTRIAL EMISSION SOURCES
REFUSE SYSTEMS
SANITARY SERVICES
SOURCES
STATIONARY EMISSION SOURCES
AUTOCLAVES
RT DRYING
RT STERILIZATION PHENOMENA
AUTOMATIC (MODIFIER)
S TERM ADDED SEPTEMBER 1974
RT MANUAL
AUTOMATIC
S SUPERSEDED TERM
USE AUTOMATIC MEASUREMENT METHODS
AUTOMATIC MEASUREMENT METHODS
BT MEASUREMENT METHODS
UF AUTOMATIC
AUTOMOBILE ENGINES
USE ENGINES
AUTOMOBILE FUELS
USE FUELS
AUTOMOBILES
BT LIGHT-DUTY VEHICLES
BT MOBILE EMISSION SOURCES
BT MOTOR VEHICLE SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
UF PASSENGER CARS
AUTOMOTIVE EMISSION CONTROL
BT CONTROL METHODS
NT ENGINE DESIGN MODIFICATION
NT ENGINE OPERATION MODIFICATION
AUTOMOTIVE EMISSIONS
USE ENGINE EMISSIONS
AUTOMOTIVE EXHAUSTS
USE ENGINE EXHAUSTS
AUTOMOTIVE FUELS
USE FUELS
AUTOPSY
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT DIAGNOSIS
BT TREATMENT AND AIDS
AUXILIARY FUELS
S TERM ADDED SEPTEMBER 1974
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
AUXINS
S TERM ADDED SEPTEMBER 1974
BT GROWTH REGULATORS
BT PLANT GROWTH AND DEVELOPMENT
AVAILABILITY
S TERM ADDED SEPTEMBER 1974
RT FUEL RESOURCES
RT MARKETING
UF ABUNDANCE
UF ACCESSIBILITY
UF NATURAL ABUNDANCE
UF SUPPLY
AVOCADOS
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
AZERBAIDZHAN
S LANGUAGE
1-11
-------
AZINES
THESAURUS
AZINES
BT NITROGEN ORGANIC COMPOUNDS
AZO DYE
S TERM ADDED APRIL 1967
BT ANALYTICAL METHODS
BT SPECTROPHOTOMETRY
AZOLES
BT NITROGEN ORGANIC COMPOUNDS
BACTERIA
BT MICROORGANISMS
UF AEROBACTER AEROGENES
BACTERIAL OXIDATION
S TERM ADDED SEPTEMBER 1974
BT COAL PREPARATION
BT CONTROL METHODS
BT FUEL TREATMENT
BAFFLES
BT COLLECTORS (MECHANICAL)
BT CONTROL EQUIPMENT-GAS STREAMS
BT GRAVITY COLLECTORS
BAFFLE SEPARATION
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SEPARATION
BAGASSE
S TERM ADDED SEPTEMBER 1974
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT ORGANIC WASTES
RT SOLID WASTE FUELS
UF CANE SUGAR REFUSE
UF SUGAR CANE BAGASSE
BAG FILTERS
BT CONTROL EQUIPMENT-GAS STREAMS
BT FABRIC FILTERS
BT FILTERS
UF BAG HOUSES
BAG HOUSES
USE BAG FILTERS
BAKERIES
S TERM ADDED SEPTEMBER 1974
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 205
BALLOONS
BT METEOROLOGICAL INSTRUMENTS
BANANAS
S TERM ADDED SEPTEMBER 1974
§T FRUITS
BT PLANTS (BOTANY)
BANDING
BT PLANT DAMAGE
BARIUM COMPOUNDS
BT METAL COMPOUNDS
BARLEY
S TERM ADDED APRIL 1967
BT CROPS
BT PLANTS (BOTANY)
BAROMETERS
BT METEOROLOGICAL INSTRUMENTS
BASELINE DETERMINATION
S TERM ADDED SEPTEMBER 1974
RT RESEARCH METHODOLOGIES
BASIC OXYGEN FURNACES
BT FURNACES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF BOF
BASIC SCIENCE AND TECHNOLOGY
S CATEGORY
UF BASIC SCI-TECH
UF C/A-BASIC SCI-TECH
UF C/S-BASIC SCI-TECH
BASIC SCI-TECH
S SUPERSEDED CATEGORY TERM
USE BASIC SCIENCE AND TECHNOLOGY
BATTERIES (ELECTRIC)
USE ELECTRIC BATTERIES
BATTERY MANUFACTURING
BT ELECTRICAL AND ELECTRONIC EQUIPMENT
PLANTS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
BEANS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
RT PINTO BEANS
RT SOY BEANS
BEAVON PROCESS
USE WASTE GAS CONTROL
BEECH TREES
S TERM ADDED SEPTEMBER 1974
BT DECIDUOUS TREES
BT PLANTS (BOTANY)
BT TREES
BEEHIVE COKE OVENS
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT BLAST FURNACES AND STEEL MILLS
BT COKE OVENS
BT INDUSTRIAL EMISSION SOURCES
1-12
-------
THESAURUS
BIOCHEMISTRY
BEEHIVE COKE OVENS—Continued
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT KILNS
BEER FERMENTATION
USE BEVERAGE INDUSTRY
BEES
BT ANIMALS
BT ANIMALS (NON-HUMAN)
BT INVERTEBRATES
BEETS (GARDEN)
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
BEET SUGAR MANUFACTURING
USE SUGAR AND CONFECTIONARY PRODUCTS
INDUSTRY
BEGONIA
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
BELGIUM
BT EUROPE
BT WESTERN EUROPE
NT MEUSE VALLEY
BENEFIT COST ANALYSIS
USE COST ANALYSIS
BENGALI
S LANGUAGE
BENZENES
BT AROMATIC HYDROCARBONS
BT HYDROCARBONS
NT TRIMETHYLBENZENE
RT PHENOLS
BENZENE-SOLUBLE ORGANIC MATTER
BT CHEMICAL COMPOSITION
NT ALIPHATIC FRACTIONS
NT AROMATIC FRACTIONS
NT OXYGENATED FRACTIONS
BENZO(3-4)PYRENE
S TERM ADDED JULY 1969
BT BENZOPYRENES
BT HYDROCARBONS
BT POLYNUCLEAR COMPOUNDS
BT PYRENES
UF BENZO(A)PYRENE
BENZO(A)PYRENE
USE BENZO(3-4)PYRENE
BENZOIC ACID
BT ACIDS
BT ORGANIC ACIDS
BENZOPYRENES
BT HYDROCARBONS
BT POLYNUCLEAR COMPOUNDS
BT PYRENES
NT BENZO(3-4)PYRENE
BERYLLIOSIS
S TERM ADDED APRIL 1967
BT DISEASES AND DISORDERS
BERYLLIUM
BT MATERIALS
BT METALS
BERYLLIUM COMPOUNDS
BT METAL COMPOUNDS
BERYLLIUM OXIDES
BT OXIDES
BESSEMER CONVERTERS
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
BETA PARTICLES
BT CHEMICAL AND PHYSICAL PHENOMENA
BT RADIOACTIVE RADIATION
BEVERAGE INDUSTRY
S TERM ADDED SEPTEMBER 1974
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF BEER FERMENTATION
UF BREWERIES
UF DISTILLERIES (LIQUOR)
UF SIC 208
UF WHISKEY FERMENTATION
UF WINE FERMENTATION
BIB
USE BIBLIOGRAPHIES
BIBLIOGRAPHIES
S A TTRIBUTE FOR APTIC NUMBERS 0 100160
UF BIB
BILL
USE LEGISLATION
BIO-ASSAY
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT DIAGNOSIS
BT TREATMENT AND AIDS
BIOCHEMISTRY
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL FACTORS
NT CARBOHYDRATES
NT NUCLEIC ACIDS
NT NUCLEOTIDES
NT NUTRIENTS
1-13
-------
BIOCIDES
THESAURUS
BIOCHEMISTRY—Continued
NT PROTEINS
UF PHYSIOLOGICAL CHEMISTRY
BIOCIDES
USE PESTICIDES
BIOCLIMATOLOGY
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
RT CLIMATE
BIOLOGICAL ADAPTATION
USE ADAPTATION
BIOLOGICAL AND MEDICINAL AEROSOLS
S TERM ADDED SEPTEMBER 1974
BT AEROSOL PHENOMENA
UF MEDICINAL AEROSOLS
BIOLOGICAL CONSTITUENTS AND PARTS
NT BODY FLUIDS
NT BONES
NT BRAIN
NT CELL WALLS
NT CELLS (BIOLOGY)
NT CIRCULATORY SYSTEM
NT DIGESTIVE SYSTEM
NT ENZYMES
NT EPITHELIUM
NT EXCRETIONS
NT EYES
NT GLANDS
NT HISTAMINES
NT HORMONES
NT INTEGUMENTARY SYSTEM
NT KIDNEYS
NT LIPIDS
NT MEMBRANES
NT MUSCLES
NT NERVOUS SYSTEM
NT RESPIRATORY SYSTEM
NT SKIN (ANATOMY)
NT TISSUES
UF BODY CONSTITUENTS AND PARTS
BIOLOGICAL DECAY
S TERM ADDED SEPTEMBER 1974
BT NATURAL EMISSION SOURCES
BT NON-INDUSTRIAL EMISSION SOURCES
(STATIONARY)
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT DECOMPOSITION
UF DECAY
BIOLOGICAL FACTORS
S TERM ADDED SEPTEMBER 1974
NT BIOCHEMISTRY
BIOLOGICAL PROCESSES AND FUNCTIONS
NT ADAPTATION
NT AGE (BIOLOGY)
NT BLOOD PRESSURE
NT CELL GROWTH
NT CELL METABOLISM
NT DIGESTION
NT EXERCISE
NT GROWTH
NT INGESTION
NT INHIBITION
NT METABOLISM
NT OLFACTION
NT PSYCHOLOGICAL FACTORS
NT PULSE RATE
NT REPRODUCTION (BIOLOGICAL)
NT RESPIRATORY FUNCTIONS
NT RETENTION
NT SMOKING
NT SYNERGISM
NT THRESHOLDS
NT TOXIC TOLERANCES
NT TOXICITY
UF BODY PROCESSES AND FUNCTIONS
BIOLOGICAL WARFARE AGENTS
USE CBR WARFARE APPLICATIONS
BIOMEDICAL TECHNIQUES AND MEASUREMENT
NT ABSENTEEISM
NT ATTACK RATES
NT BIOCLIMATOLOGY
NT CULTURE MEDIA
NT EPIDEMIOLOGY
NT GENETICS
NT HEALTH STATISTICS
NT HEMATOLOGY
NT HISTOLOGY
NT IMMUNOLOGY
NT LIFE SPAN
NT MORBIDITY
NT MORTALITY
NT OCCUPATIONAL HEALTH
NT OUTPATIENT VISITS
NT PATHOLOGICAL TECHNIQUES
NT PHYSIOLOGY
NT RADIOLOGICAL HEALTH
NT TISSUE CULTURES
NT TREATMENT AND AIDS
NT VETERINARY MEDICINE
BIOPSY
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT DIAGNOSIS
BT TREATMENT AND AIDS
BIRCH TREES
S TERM ADDED SEPTEMBER 1974
BT DECIDUOUS TREES
BT PLANTS (BOTANY)
BT TREES
BIRDS
BT
BT
NT
NT
UF
ANIMALS
ANIMALS (NON-HUMAN)
DUCKS
GEESE
FOWL
BIRDS FOOT TREFOIL
S TERM ADDED SEPTEMBER 1974
BT CROPS
BT PLANTS (BOTANY)
BIRMINGHAM, ALABAMA
BT ALABAMA
BT AMERICA
BT NORTH AMERICA
1-14
-------
THESAURUS
BLOWBY
BIRMINGHAM, ALABAMA—Continued
BT UNITED STATES
BIRMINGHAM, ENGLAND
BT EUROPE
BT GREAT BRITAIN
BT UNITED KINGDOM
BT WESTERN EUROPE
BISMUTH
S TERM ADDED APRIL
BT MATERIALS
BT METALS
1967
BISMUTH COMPOUNDS
S TERM ADDED APRIL 1967
BT METAL COMPOUNDS
BITUMINOUS COAL
S TERM ADDED SEPTEMBER 1974
BT COAL
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
BITUMINOUS CONCRETE PLANTS (NON-REFINERIES)
USE ASPHALT CONCRETE PLANTS (NON-REFINERIES)
BKS
S ATTRIBUTE FOR APTIC NUMBERS 0 100032
BLACK LIQUOR
S SUPERSEDED TERM
USE BLACK LIQUOR OXIDATION
BLACK LIQUOR OXIDATION
BT CATALYTIC OXIDATION
BT CONTROL METHODS
RT KRAFT (SULFATE) PULPING
RT OXIDATION
UF BLACK LIQUOR
BLAST FURNACE AND BASIC STEEL PRODUCTS MILLS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT BESSEMER CONVERTERS
NT BLAST FURNACES AND STEEL MILLS
NT ELECTROMETALLURGICAL PRODUCTS MILLS
UF IRON PRODUCTION
UF SIC 331
UF STEEL PRODUCTS MILLS
BLAST FURNACES
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT BLAST FURNACES AND STEEL MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT FERROALLOY PRODUCTION-BF
BLAST FURNACES AND STEEL MILLS
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT BLAST FURNACES
NT COKE OVENS
NT COKE QUENCHING
NT OXYGEN LANCING
NT SINTERING
UF SIC 3312
UF STEEL MILLS
UF STEEL PRODUCTION (PYROMETALLURGICAL)
BLASTING (ABRASIVE)
USE ABRASIVE BLASTING
BLASTS
USE EXPLOSIONS
BLENDING
BT CONTROL METHODS
BT FUEL OIL PREPARATION
BT FUEL TREATMENT
BLINDNESS
BT DISEASES AND DISORDERS
BLOOD
USE HEMATOLOGY
BLOOD CELLS
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT CELLS (BIOLOGY)
NT ERYTHROCYTES
NT LEUKOCYTES
NT LYMPHOCYTES
UF CORPUSCLES
BLOOD CHEMISTRY
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT HEMATOLOGY
BLOOD GAS ANALYSIS
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT HEMATOLOGY
BLOOD PRESSURE
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BLOOD SERUM
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT BODY FLUIDS
UF SERUM (BLOOD)
BLOOD VESSELS
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT CIRCULATORY SYSTEM
UF VESSELS (BLOOD)
BLOWBY
BT CRANKCASE EMISSIONS
BT ENGINE EMISSIONS
BT POLLUTANTS
1-15
-------
BLOWERS
THESAURUS
BLOWERS
USE FANS (BLOWERS)
BLUEBERRIES
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
UF BLUEBERRYS
BLUEBERRYS
USE BLUEBERRIES
BODIES OF WATER
S TERM ADDED SEPTEMBER 1974
BT TOPOGRAPHIC LOCATIONS
NT HARBORS
NT LAKES
NT OCEANS
NT RIVERS
RT HYDROSPHERE
UF WATERWAYS
BODY CONSTITUENTS AND PARTS
USE BIOLOGICAL CONSTITUENTS AND PARTS
BODY FLUIDS
BT BIOLOGICAL CONSTITUENTS AND PARTS
NT BLOOD SERUM
NT SPUTUM
RT EXCRETIONS
BODY PROCESSES AND FUNCTIONS
USE BIOLOGICAL PROCESSES AND FUNCTIONS
BOF
USE
BASIC OXYGEN FURNACES
BOHEMIAN
USE CZECH
BOILERS
BT SOURCES
STATIONARY EMISSION SOURCES
BT
RT
RT
UF
FURNACES
STEAM ELECTRIC POWER GENERATION
STEAM GENERATORS
BONDS (CHEMICAL)
USE CHEMICAL BONDS
BONES
BT BIOLOGICAL CONSTITUENTS AND PARTS
RT FLUOROSIS
BONUS
USE INCENTIVES
BORATES
S TERM ADDED SEPTEMBER 1974
BT BORON COMPOUNDS
BT METAL COMPOUNDS
BORIDES
BT BORON COMPOUNDS
BT METAL COMPOUNDS
BORON COMPOUNDS
BT METAL COMPOUNDS
NT BORATES
NT BORIDES
BOTANICAL PLANTS
USE PLANTS (BOTANY)
BOTANICAL SOURCES
S TERM ADDED SEPTEMBER 1974
BT NATURAL EMISSION SOURCES
BT NON-INDUSTRIAL EMISSION SOURCES
(STATIONARY)
BT SOURCES
BT STATIONARY EMISSION SOURCES
BOUNDARY LAYER
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
BT FLUID FLOW
UF ATMOSPHERIC BOUNDARY LAYER
BOVINES
USE CATTLE
BRAIN
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL CONSTITUENTS AND PARTS
BRAKE LINING ATTRITION
S TERM ADDED SEPTEMBER 1974
BT MOBILE EMISSION SOURCES
BT MOTOR VEHICLE SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
BRASS
USE COPPER ALLOYS
BRASS AND BRONZE SECONDARY SMELTING AND
REFINING
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SECONDARY SMELTING AND REFINING OF
NONFERROUS METALS
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF BRONZE SECONDARY SMELTING AND REFINING
BRASS, BRONZE, AND COPPER FOUNDRIES
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT NONFERROUS FOUNDRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF BRONZE FOUNDRIES
UF COPPER FOUNDRIES
UF FOUNDRIES (BRASS, BRONZE, AND COPPER)
UF SIC 3362
BREATHING
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT RESPIRATORY FUNCTIONS
NT INHALATION
RT RESPIRATION (PLANTS)
1-16
-------
THESAURUS
BUCKWHEAT
BREATHING APPARATUS
RT EXPERIMENTAL EQUIPMENT
RT ARTIFICIAL RESPIRATION
RT EXPOSURE CHAMBERS
RT PROTECTIVE MASKS
BREATHING EXERCISES
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT TREATMENT AND AIDS
BREATHING RESISTANCE
USE PULMONARY RESISTANCE
BREEZE
USE WINDS
BREWERIES
USE BEVERAGE INDUSTRY
BRICK AND STRUCTURAL CLAY TILE WORKS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
BT STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
RT KILNS
UF SIC 3251
UF STRUCTURAL CLAY TILE WORKS
BRICKS
BT CONSTRUCTION MATERIALS
BT MATERIALS
BRIDAL WREATH
S TERM ADDED SEPTEMBER 1974
BT ORNAMENTALS
BT PLANTS (BOTANY)
UF BRIDLEWREATH
BRIDLEWREATH
USE BRIDAL WREATH
BROCCOLI
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
BROMATES
BT BROMINE COMPOUNDS
BROMIDES
BT BROMINE COMPOUNDS
BROMINATED HYDROCARBONS
BT HALOGENATED HYDROCARBONS
BROMINE
BT HALOGEN GASES
BROMINE COMPOUNDS
NT BROMATES
NT BROMIDES
BRONCHI
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT RESPIRATORY SYSTEM
BRONCHIAL
S SUPERSEDED TERM
USE BRONCHIAL CANCER
BRONCHIAL ASTHMA
USE ASTHMA
BRONCHIAL CANCER
BT CANCER
BT DISEASES AND DISORDERS
UF BRONCHIAL
BRONCHIAL DISEASES
USE RESPIRATORY DISEASES
BRONCHITIS
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
BRONCHOCONSTRICTION
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
BRONCHODILATORS
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT DRUGS
BT TREATMENT AND AIDS
BRONCHOPNEUMONIA
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
BRONZE
USE COPPER ALLOYS
BRONZE FOUNDRIES
USE BRASS, BRONZE, AND COPPER FOUNDRIES
BRONZE SECONDARY SMELTING AND REFINING
USE BRASS AND BRONZE SECONDARY SMELTING AND
REFINING
BROWN COAL
USE LIGNITE
BROWNIAN MOTION
BT AEROSOL DIFFUSION AND BROWNIAN MOTION
BT AEROSOL PHENOMENA
BT PARTICULATE PROPERTIES
BRYOPHYTES
USE MOSSES
BUBBLE CAP TOWERS
BT CONTROL EQUIPMENT-GAS STREAMS
BT SCRUBBERS
BT TRAY TOWERS
UF BUBBLE TOWERS
BUBBLE TOWERS
S SUPERSEDED TERM
USE BUBBLE CAP TOWERS
BUCKWHEAT
S TERM ADDED SEPTEMBER 1974
BT CROPS
BT PLANTS (BOTANY)
1-17
-------
BUDGETING
THESAURUS
BUDGETING
BT ADMINISTRATION
RT ECONOMICS
UF FUNDING
BUGS (INSECTS)
USE INSECTS
BUILDING CONSTRUCTION
S TERM ADDED SEPTEMBER 1974
BT CONSTRUCTION INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 15
BUILDING MATERIALS
USE CONSTRUCTION MATERIALS
BUILDING PAPER AND BOARD MILLS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PAPER AND ALLIED MANUFACTURING
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF FIBER BOARD MANUFACTURING
UF SIC 266
BUILDINGS
BT STRUCTURES
NT GARAGES
NT GREENHOUSES
NT PUBLIC BUILDINGS
NT RESIDENTIAL BUILDINGS
BUILD-UP RATES
RT DISSIPATION RATES
BULGARIA
S TERM ADDED SEPTEMBER 1974
BT EASTERN EUROPE
BT EUROPE
BULGARIAN
S LANGUAGE
BURIAL
USE REFUSE SYSTEMS
BURNERS (OIL)
USE OIL BURNERS
BURNERS (REFUSE)
USE INCINERATORS (REFUSE)
BURNING
S TERM ADDED SEPTEMBER 1974
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT AGRICULTURAL BURNING
NT FORESTRY BURNING
NT GOBPILE BURNING (COAL REFUSE)
NT OPEN BURNING
RT COMBUSTION
UF FIRES (BURNING)
BUSES
BT HEAVY-DUTY VEHICLES
BT MOBILE EMISSION SOURCES
BT MOTOR VEHICLE SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
BUTADIENES
BT ALIPHATIC HYDROCARBONS
BT DIOLEFINS
BT HYDROCARBONS
BT OLEFINS
BUTANES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
NT ISOBUTANES
BUTENES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
BT OLEFINS
NT TRANS-2-BUTENE
UF BUTYLENES
BUTYLENES
USE BUTENES
BUTYNES
BT ACETYLENES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
BT OLEFINS
BUTYRALDEHYDES
BT ALDEHYDES
BYELORUSSIAN
S LANGUAGE
BY-PRODUCT RECOVERY
BT CONTROL METHODS
UF WASTE GAS RECOVERY (BY-PRODUCT)
BYSSINOSIS
S TERM ADDED APRIL 1967
BT DISEASES AND DISORDERS
BT PNEUMOCONIOSIS
BT RESPIRATORY DISEASES
C/A-AIR QUALITY MEAS
USE POLLUTION DATA
C/A-ATMOS INTERACT
USE ATMOSPHERIC INTERACTION
C/A-BASIC SCI-TECH
USE BASIC SCIENCE AND TECHNOLOGY
CABBAGE
BT PLANTS(BOTANY)
BT VEGETABLES
C/A-CONTROL METHODS
USE CONTROL METHODS (CATEGORICAL)
CADMIUM
BT MATERIALS
BT METALS
CADMIUM COMPOUNDS
BT METAL COMPOUNDS
1-18
-------
THESAURUS
CARBON BISULFIDE
C/A-EFFECTS-ECONOMIC
USE ECONOMIC ASPECTS
C/A-EFFECTS-HUM HLTH
USE EFFECTS (HUMAN HEALTH)
C/A-EFFECTS-MATERIALS
USE EFFECTS (ON MATERIALS)
C/A-EFFECTS-PLANTS, LIVEST
USE EFFECTS (ON PLANTS AND LIVESTOCK)
C/A-EMISSION SOURCES
USE EMISSION SOURCES
C/A-GENERAL
USE GENERAL AND MISCELLANEOUS
CALCIUM CARBIDE PRODUCTION
USE INDUSTRIAL INORGANIC CHEMICAL PLANTS
CALCIUM COMPOUNDS
BT METAL COMPOUNDS
NT CALCIUM SULFATES
UF LIME (CALCIUM COMPOUNDS)
CALCIUM SULFATES
BT CALCIUM COMPOUNDS
BT METAL COMPOUNDS
C/A-LEGAL AND ADMIN
USE GOVERNMENTAL PARTICIPATION
CALIBRATION METHODS
RT ANALYTICAL METHODS
RT MEASUREMENT METHODS
CALIFORNIA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NT LOS ANGELES
NT SAN FRANCISCO
C/A-MEASUREMENT METH
USE MEASUREMENT METHODS (CATEGORICAL)
CAMERAS
RT PHOTOGRAPHIC METHODS
CAMP
USE CONTINUOUS AIR MONITORING PROGRAM (CAMP)
CANADA
S TERM ADDED APRIL 1967
BT AMERICA
BT NORTH AMERICA
CANCER
BT DISEASES AND DISORDERS
NT BRONCHIAL CANCER
NT LEUKEMIA
NT LUNG CANCER
NT SKIN CANCER
NT TRACHEAL CANCER
RT CARCINOGENS
RT RESPIRATORY DISEASES
RT TUMORS
UF CARCINOMA
UF MALIGNANT NEOPLASMS
CANDY MANUFACTURING
USE SUGAR AND CONFECTIONARY PRODUCTS
INDUSTRY
CANE (SUGAR)
USE SUGAR CANE
CANE SUGAR REFINING
USE SUGAR AND CONFECTIONARY PRODUCTS
INDUSTRY
CANE SUGAR REFUSE
USE BAGASSE
CANNERIES
USE CANNING
CANNING
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF CANNERIES
UF SIC 2033
CANTALOUPES
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
CAPITAL
S TERM ADDED SEPTEMBER 1974
BT ECONOMICS
CARBAZOLES
BT NITROGEN ORGANIC COMPOUNDS
CARBIDES
RT METAL COMPOUNDS
CARBOHYDRATES
S TERM ADDED SEPTEMBER 1974
BT BIOCHEMISTRY
BT BIOLOGICAL FACTORS
NT GLUCOSES
UF SACCHARIDES
CARBON
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
NT ACTIVATED CARBON
NT CARBON BLACK
NT CHARCOAL
CARBONATES
RT POTASSIUM CARBONATES
RT SODIUM CARBONATE
CARBONATION
S TERM ADDED SEPTEMBER 1974
BT COAL CONVERSION
BT CONTROL METHODS
BT FUEL TREATMENT
CARBON BISULFIDE
USE CARBON DISULFIDE
1-19
-------
CARBON BLACK
THESAURUS
CARBON BLACK
BT CARBON
BT MATERIALS
UF CHANNEL BLACK
UF FURNACE BLACK
UF LAMPBLACK
CARBON BLACK PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 2895
CARBON DIOXIDE
BT OXIDES
CARBON DISULFIDE
BT SULFIDES
BT SULFUR COMPOUNDS
UF CARBON BISULFIDE
CARBON MONOXIDE
BT OXIDES
RT CARBOXYHEMOGLOBIN
CARBON TETRACHLORIDE
BT CHLORINATED HYDROCARBONS
BT HALOGENATED HYDROCARBONS
UF TETRACHLOROMETHANE
CARBONYLS
RT METAL COMPOUNDS
CARBOXYHEMOGLOBIN
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT HEMATOLOGY
RT CARBON MONOXIDE
RT HEMOGLOBIN
CARBURETION
BT AUTOMOTIVE EMISSION CONTROL
BT CONTROL METHODS
BT ENGINE OPERATION MODIFICATION
UF CARBURETORS
CARBURETOR EVAPORATION LOSSES
BT ENGINE EMISSIONS
BT FUEL EVAPORATION
BT POLLUTANTS
NT HOT SOAK
NT RUNNING EVAPORATIVE LOSSES
CARBURETORS
USE CARBURETION
CARCINOGENS
S TERM ADDED APRIL 1967
BT DISEASES AND DISORDERS
RT CANCER
RT POLYNUCLEAR COMPOUNDS
CARCINOMA
USE CANCER
CARDIOVASCULAR DISEASES
BT DISEASES AND DISORDERS
RT HEART
CARDIOVASCULAR SYSTEM
USE CIRCULATORY SYSTEM
CARNATION
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
CARPETS
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
BT TEXTILES
UF RUGS
CARROTS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
CARTOGRAPHY
USE MAPPING
CASCADE IMPACTORS
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SIZE CLASSIFICATION
UF ANDERSEN SAMPLERS
C/A-SOCIAL ASPECTS
USE SOCIAL ASPECTS AND PUBLIC INVOLVEMENT
C/A-STDS AND CRIT
USE STANDARDS AND CRITERIA
CASTING
USE METAL FABRICATION
CASTOR BEAN
S TERM ADDED SEPTEMBER 1974
BT CROPS
BT PLANTS (BOTANY)
CATALYSIS
BT CHEMICAL AND PHYSICAL PHENOMENA
NT CATALYSTS
NT CATALYTIC ACTIVITY
RT CATALYSTS
RT CATALYTIC OXIDATION
CATALYSTS
BT CATALYSIS
BT CHEMICAL AND PHYSICAL PHENOMENA
RT CATALYSIS
CATALYTIC ACTIVITY
BT CATALYSIS
BT CHEMICAL AND PHYSICAL PHENOMENA
CATALYTIC AFTERBURNERS
BT CONTROL EQUIPMENT-GAS STREAMS
BT INCINERATORS (WASTE GASES)
RT CATALYTIC OXIDATION
UF CATALYTIC MUFFLERS
UF CATALYTIC REACTORS (EXHAUST SYSTEMS)
CATALYTIC CHAMBER PROCESS
USE WASTE GAS CONTROL
I-20
-------
THESAURUS
CENTRIFUGATION
CATALYTIC MUFFLERS
USE CATALYTIC AFTERBURNERS
CATALYTIC OXIDATION
BT CONTROL METHODS
NT BLACK LIQUOR OXIDATION
RT CATALYSIS
RT CATALYTIC AFTERBURNERS
RT PENELEC PROCESS
CATALYTIC REACTORS (EXHAUST SYSTEMS)
USE CATALYTIC AFTERBURNERS
CAT-OX PROCESS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
CATS
BT ANIMALS
BT ANIMALS (NON-HUMAN)
CATTLE
BT ANIMALS
BT ANIMALS (NON-HUMAN)
UF BOVINES
CATTLE FEED LOTS
USE FEEDLOTS
CAULIFLOWERS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
CAULKING COMPOUNDS
USE SEALING COMPOUNDS
CAUSTIC SODA
USE SODIUM HYDROXIDE
CBR WARFARE APPLICATIONS
S CHEMICAL, BIOLOGICAL, AND RADIOLOGICAL
WARFARE
S TERM ADDED SEPTEMBER 1974
BT AEROSOL APPLICATIONS
BT AEROSOL PHENOMENA
UF BIOLOGICAL WARFARE AGENTS
UF CHEMICAL WARFARE AGENTS
CEDAR TREES
S TERM ADDED SEPTEMBER 1974
BT CONIFERS
BT PLANTS (BOTANY)
BT TREES
CELERY
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
CELL GROWTH
BT BIOLOGICAL PROCESSES AND FUNCTIONS
RT GROWTH
RT PLANT GROWTH AND DEVELOPMENT
CELL METABOLISM
BT BIOLOGICAL PROCESSES AND FUNCTIONS
RT METABOLISM
CELLS (BIOLOGY)
BT BIOLOGICAL CONSTITUENTS AND PARTS
NT BLOOD CELLS
NT CHROMOSOMES
NT CILIA
NT MACROPHAGES
NT MITOCHONDRIA
NT SPERMATOZOA
RT CHLOROPLASTS
UF CELLS
CELLS
S SUPERSEDED TERM
USE CELLS (BIOLOGY)
CELLULOSE
S TERM ADDED SEPTEMBER 1974
BT BIOCHEMISTRY
BT BIOLOGICAL FACTORS
BT CARBOHYDRATES
BT GLUCOSES
CELL WALLS
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL CONSTITUENTS AND PARTS
CEMENT PLANTS (HYDRAULIC)
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
BT STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
UF PORTLAND CEMENT PLANTS
UF SIC 324
CEMENTS
BT CONSTRUCTION MATERIALS
BT MATERIALS
RT ADHESIVES
RT SEALING COMPOUNDS
CENTRAL AMERICA
BT AMERICA
BT LATIN AMERICA
CENTRIFUGAL SEPARATORS (NEC)
S TERM ADDED SEPTEMBER 1974
BT CENTRIFUGAL SEPARATORS
BT COLLECTORS (MECHANICAL)
BT CONTROL EQUIPMENT-GAS STREAMS
CENTRIFUGAL SEPARATORS
BT COLLECTORS (MECHANICAL)
BT CONTROL EQUIPMENT-GAS STREAMS
NT CENTRIFUGAL SEPARATORS (NEC)
NT CYCLONES (CONTROL)
UF SEPARATORS (CENTRIFUGAL)
CENTRIFUGATION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
NT GAS CENTRIFUGATION
1-21
-------
CENTRIFUGED SEPARATION
THESAURUS
CENTRIFUGED SEPARATION
S TERM ADDED SEPTEMBER 1974
BT COAL PREPARATION
BT CONTROL METHODS
BT FUEL TREATMENT
CERAMIC AND METAL-CERAMIC FILTERS
S TERM ADDED SEPTEMBER 1974
BT CONTROL EQUIPMENT-GAS STREAMS
BT FILTERS
CERAMICS
BT MATERIALS
UF FRIT
UF PORCELAIN ENAMEL
CERIUM COMPOUNDS
BT METAL COMPOUNDS
CESIUM COMPOUNDS
BT METAL COMPOUNDS
CHAMBER
S SUPERSEDED TERM
USE CHAMBER PROCESS
CHAMBER PROCESS
BT CHEMICAL PROCESSES
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT SULFURIC ACID PLANTS
UF CHAMBER
CHANNEL BLACK
USE CARBON BLACK
CHARCOAL
BT CARBON
BT MATERIALS
CHARCOAL MANUFACTURING
USE CHEMICALS AND ALLIED MANUFACTURING
CHARD
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
CHARGED DROPLET SCRUBBERS
USE SCRUBBERS
CHARGING (FUEL)
USE FUEL CHARGING
CHEMICAL
S SUPERSEDED TERM
USE CHEMICAL METHODS
CHEMICAL ANALYSIS METHODS
USE ANALYTICAL METHODS
UF TALL OIL MANUFACTURING
CHEMICAL AND PHYSICAL PHENOMENA
NT ABSORPTION
NT ADSORPTION
NT AERODYNAMICS
NT CATALYSIS
NT CENTRIFUGATION
NT CHEMICAL BONDS
NT CHEMICAL REACTIONS
NT COALESCING
NT COMBUSTION
NT COMPRESSION
NT CONDENSATION
NT CRYSTALLIZATION
NT DEHUMIDIFICATION
NT DEHYDRATION
NT DEPOSITION PHENOMENA
NT DIFFRACTION
NT DIFFUSION PHENOMENA
NT DILUTION
NT DISINTEGRATION
NT DISTILLATION
NT DRYING
NT ELECTRICAL EXCITATION
NT ELECTROLYSIS
NT ELECTROMAGNETIC ABSORPTION
NT ELUTRIATION PHENOMENA
NT EMISSIVITY
NT ENCAPSULATION
NT EVAPORATION
NT FERMENTATION
NT FLUID FLOW
NT FLUORESCENCE
NT FRACTIONATION
NT FREE RADICALS
NT GAS-SOLID EQUILIBRIA
NT GRAVITATION
NT HEAT TRANSFER
NT HUMIDIFICATION
NT HYGROSCOPICITY
NT INTERMOLECULAR FORCES
NT ION EXCHANGING
NT IONIZATION
NT IONS
NT ISOTOPES
NT KINEMATICS
NT LIGHT EXTINCTION
NT LIGHT POLARIZATION
NT LIGHT RADIATION
NT LIGHT REFRACTION
NT LIGHT SCATTERING
NT LIGHT TRANSMISSION
NT LUMINESCENCE
NT MASS TRANSFER
NT MIXING
NT MOBILITY
NT MOLECULAR EXCHANGE
NT NUCLEAR REACTIONS
NT NUCLEATION
NT ORIENTATION (DIRECTION)
NT PARTICLE ENTRAPMENT
NT PARTICLE GROWTH
NT PHASE TRANSFORMATION
NT PHOTOELECTRIC PHENOMENA
NT PHYSICAL STATES
NT RADIO WAVES
NT RADIOACTIVE RADIATION
NT REACTION KINETICS
NT REACTION MECHANISMS
NT RESILIENCE
NT SEDIMENTATION PHENOMENA
NT SOLVENT EXTRACTION
NT SOUND
NT STERILIZATION PHENOMENA
NT SUBLIMATION
NT SUPERSATURATION
I-22
-------
THESAURUS
CHEMICALS AND ALLIED MANUFACTURING
CHEMICAL AND PHYSICAL PHENOMENA—Continued
NT SURFACTANTS
NT THERMAL RADIATION
NT THERMODYNAMICS
NT TURBULENCE (GENERAL)
NT ULTRASONICS
NT VELOCITY
NT VIBRATION
NT WAVELENGTHS
NT WETTING
CHEMICAL AND PHYSICAL PROPERTIES
NT CRYSTAL STRUCTURE
NT DENSITY
NT ELECTRICAL PROPERTIES
NT HEAT CAPACITY
NT HEAT OF COMBUSTION
NT MAGNETIC PROPERTIES
NT OPTICAL PROPERTIES
NT PERMEABILITY
NT PH
NT PRESSURE
NT REFRACTIVE INDEX
NT SOLUBILITY
NT SURFACE PROPERTIES
NT TEMPERATURE
NT TENSILE STRENGTH
NT THERMAL CONDUCTIVITY
NT THERMODYNAMIC PROPERTIES
NT VAPOR PRESSURE
NT VISCOSITY
NT VISUAL PROPERTIES
NT VOLATILITY
NT WEIGHT
CHEMICAL BONDS
BT CHEMICAL AND PHYSICAL PHENOMENA
RT CHEMICAL REACTIONS
UF BONDS (CHEMICAL)
UF ORGANIC BONDS
CHEMICAL COMPOSITION
NT ASH FRACTION
NT BENZENE-SOLUBLE ORGANIC MATTER
NT COMBUSTIBLES AND VOLATILES
NT INORGANIC FRACTION
NT NON-METHANE HYDROCARBONS
NT WATER INSOLUBLE FRACTION
NT WATER SOLUBLE FRACTION
UF ATMOSPHERIC COMPOSITION
UF CHEMICAL CONSTITUENTS
UF COMPOSITION (CHEMICAL)
CHEMICAL CONDENSATION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL CONDENSATION
BT AEROSOL FORMATION
BT AEROSOL PHENOMENA
CHEMICAL CONSTITUENTS
USE CHEMICAL COMPOSITION
CHEMICAL KINETICS
USE REACTION KINETICS
CHEMICAL METHODS
BT ANALYTICAL METHODS
NT ELECTROCHEMICAL METHODS
NT IODIMETRIC METHODS
UF CHEMICAL
CHEMICAL PROCESSES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT CHAMBER PROCESSES
NT CONTACT PROCESSES
NT DOUBLE CONTACT PROCESSES
UF CHEMICAL PROCESSING
CHEMICAL PROCESSING
S SUPERSEDED TERM
USE CHEMICAL PROCESSES
CHEMICAL REACTIONS
BT CHEMICAL AND PHYSICAL PHENOMENA
NT DECOMPOSITION
NT DISPLACEMENT
NT DISSOCIATION
NT HYDROGENATION
NT HYDROLYSIS
NT NITRATION
NT OXIDATION
NT PHOTOCHEMICAL REACTIONS
NT POLYMERIZATION
NT PYROLYSIS
NT RECOMBINATION
NT REDUCTION
RT CHEMICAL BONDS
UF CHEMICAL REACTIVITY
UF REACTIONS (CHEMICAL)
UF REACTIVITY (CHEMICAL)
CHEMICAL REACTIVITY
USE CHEMICAL REACTIONS
CHEMICAL RECOVERY COKE OVENS
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT BLAST FURNACES AND STEEL MILLS
BT COKE OVENS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
CHEMICAL REDUCING
USE REDUCTION
CHEMICALS AND ALLIED MANUFACTURING
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT AGRICULTURAL CHEMICAL PLANTS
NT CARBON BLACK PRODUCTION
NT CYCLIC CRUDES AND INTERMEDIATE
PRODUCTION
NT EXPLOSIVES PRODUCTION
NT GLUE MANUFACTURING
NT INDUSTRIAL INORGANIC CHEMICAL PLANTS
NT PAINTS AND ALLIED PRODUCTION
NT PLASTICS MATERIALS AND SYNTHETIC PLANTS
NT SOAP AND DETERGENT PLANTS
NT SULFUR PRODUCTION
I-23
-------
CHEMICAL WARFARE AGENTS
THESAURUS
CHEMICALS AND ALLIED MANUFACTURING—Continued
UF ACETONE MANUFACTURING
UF ADHESIVES MANUFACTURING
UF ADIPIC ACID MANUFACTURING
UF CHARCOAL MANUFACTURING
UF CLEANING CHEMICAL MANUFACTURING
UF FRIT MANUFACTURING
UF PHARMACEUTICAL MANUFACTURING
UF PRINTING INK MANUFACTURING
UF PYROTECHNIC AMMUNITION MANUFACTURING
UF ROSIN MANUFACTURING
UF SIC 28
CHEMICAL WARFARE AGENTS
USE CBR WARFARE APPLICATIONS
CHEMILUMINESCENCE
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
BT LUMINESCENCE
t
CHEMILUMINESCENCE METHODS
S TERM ADDED SEPTEMBER 1974
BT MEASUREMENT METHODS
CHEMISTS
BT PERSONNEL
CHERRIES
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
UF CHERRYS
CHERRYS
USE CHERRIES
CHIBA PREFECTURE
BT ASIA
BT JAPAN
CHICAGO
BT AMERICA
BT ILLINOIS
BT NORTH AMERICA
BT UNITED STATES
CHILDREN
USE PREADOLESCENCE
CHILLING
USE COOLING
CHIMNEYS
USE STACKS
CHINA
S TERM ADDED SEPTEMBER 1974
BT ASIA
CHINA CLAY
USE KAOLIN
CHINESE
S LANGUAGE
CHIPBOARD MILLS
USE PAPERBOARD MILLS
CHLORATES
BT CHLORINE COMPOUNDS
RT PERCHLORIC ACID
CHLORIDES
BT CHLORINE COMPOUNDS
RT SODIUM CHLORIDE
CHLORINATED HYDROCARBONS
BT HALOGENATED HYDROCARBONS
NT CARBON TETRACHLORIDE
NT CHLOROFORM
NT HEXACHLOROBENZENE
NT POLYCHLORINATED BIPHENYLS
CHLORINE
BT HALOGEN GASES
CHLORINE COMPOUNDS
NT CHLORATES
NT CHLORIDES
CHLORINE MANUFACTURING
USE ALKALIES AND CHLORINE PLANTS
CHLOROFORM
BT CHLORINATED HYDROCARBONS
BT HALOGENATED HYDROCARBONS
UF TRICHLOROMETHANE
CHLOROPLASTS
S TERM ADDED APRIL 1967
RT CELLS (BIOLOGY)
CHLOROSIS
BT PLANT DAMAGE
CHROMATES
BT CHROMIUM COMPOUNDS
BT METAL COMPOUNDS
CHROMATOGRAPHY
BT ANALYTICAL METHODS
NT COLUMN CHROMATOGRAPHY
NT FLAME IONIZATION (HC)
NT GAS CHROMATOGRAPHY
NT PAPER CHROMATOGRAPHY
NT THIN-LAYER CHROMATOGRAPHY
RT ADSORPTION PHENOMENA
CHROMIA
USE CHROMIUM OXIDES
CHROMIUM
BT MATERIALS
BT METALS
CHROMIUM COMPOUNDS
BT METAL COMPOUNDS
NT CHROMATES
CHROMIUM OXIDES
BT OXIDES
UF CHROMIA
CHROMOSOMES
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT CELLS (BIOLOGY)
I-24
-------
THESAURUS
CLOVER
CHRONIC
RT ACUTE
CHRONOLOGY
USE HISTORICAL ASPECTS
CHRYSANTHEMUM
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
CHRYSENES
BT HYDROCARBONS
BT POLYNUCLEAR COMPOUNDS
CIGARETTE SMOKING
USE SMOKING
CILIA
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT CELLS (BIOLOGY)
CINCINNATI
BT AMERICA
BT NORTH AMERICA
BT OHIO
BT UNITED STATES
CINDERS
BT COMBUSTION PRODUCTS
BT POLLUTANTS
CINDER TRAPS
USE SETTLING CHAMBERS
CIRCULATORY SYSTEM
BT BIOLOGICAL CONSTITUENTS AND PARTS
NT BLOOD VESSELS
NT HEART
RT PULSE RATE
UF CARDIOVASCULAR SYSTEM
CITIES
USE URBAN AREAS
CITIZENS GROUPS
BT PUBLIC AFFAIRS
RT MEETINGS
CITRATE PROCESS
USE SOX CONTROL
CITRUS
BT FRUITS
BT PLANTS (BOTANY)
NT GRAPEFRUITS
NT ORANGES
CITY
S
USE
SUPERSEDED TERM
CITY GOVERNMENTS
CITY GOVERNMENTS
BT GOVERNMENTS
RT URBAN AREAS
UF CITY
UF MUNICIPAL GOVERNMENT
CIVIL AIRCRAFT
S TERM ADDED SEPTEMBER 1974
BT AIRCRAFT
BT MOBILE EMISSION SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
NT COMMERCIAL AIRCRAFT
CLASSIFIERS (COAL)
USE TABLES AND CLASSIFIERS
CLASSIFIERS (PARTICLE SIZE)
USE PARTICLE SIZE CLASSIFICATION
CLAUS PROCESS
USE WASTE GAS CONTROL
CLAY
BT MATERIALS
BT MINERAL PRODUCTS
CLAY (STRUCTURAL) PRODUCTION
USE STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
CLAY REFRACTORIES PRODUCTION
USE STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
CLEAN AIR ACT
BT LEGAL ASPECTS
BT LEGISLATION
UF AIR QUALITY ACT
CLEAN COKE PROCESS
USE COAL PREPARATION
CLEANING
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
CLEANING CHEMICAL MANUFACTURING
USE CHEMICALS AND ALLIED MANUFACTURING
CLEARANCE (LUNG)
USE LUNG CLEARANCE
CLIMATE
S TERM ADDED SEPTEMBER 1974
BT ATMOSPHERIC PHENOMENA
RT BIOCLIMATOLOGY
RT WEATHER MODIFICATION
CLOTH COLLECTORS
USE FABRIC FILTERS
CLOUDS
BT ATMOSPHERIC PHENOMENA
BT CONDENSATION (ATMOSPHERIC)
BT METEOROLOGY
CLOUD SEEDING
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
BT WEATHER MODIFICATION
UF RAIN STIMULATION
CLOVER
BT CROPS
BT PLANTS (BOTANY)
I-25
-------
COAL
THESAURUS
COAL
BT FUELS
BT SOURCES
STATIONARY EMISSION SOURCES
BT
NT
NT
RT
ANTHRACITE COAL
BITUMINOUS COAL
GOBPILE BURNING (COAL REFUSE)
COAL CHARACTERISTICS
USE FUEL CHARACTERISTICS
COAL CLEANING PLANTS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MINING
BT SOURCES
BT STATIONARY EMISSION SOURCES
COAL COMBUSTION
USE COMBUSTION
COAL CONVERSION
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT FUEL TREATMENT
NT CARBONATION
NT GASIFICATION
NT SOLVENT REFINING
COALESCING
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
COAL GAS
USE FUEL GASES
COAL GASIFICATION
USE GASIFICATION
COAL MINING
USE MINING
COAL PREPARATION
BT CONTROL METHODS
BT FUEL TREATMENT
NT BACTERIAL OXIDATION
NT CENTRIFUGED SEPARATION
NT DENSE MEDIUM SEPARATION
NT ELECTROSTATIC SEPARATION (COAL)
NT ELUTRIATION (COAL)
NT FROTH FLOTATION
NT JIGS
NT MAGNETIC SEPARATION
NT OCR PROCESSES
NT TABLES AND CLASSIFIERS
RT LAUNDERING
UF CLEAN COKE PROCESS
UF LAUNDERING (COAL)
UF LAUNDERING(COAL)
COAL PRODUCTS INDUSTRY
USE PETROLEUM AND COAL PRODUCTS INDUSTRY
COAL REFUSE BURNING
USE GOBPILE BURNING (COAL REFUSE)
COAL RESOURCES
USE FUEL RESOURCES
COAL TARS
USE TARS (POLLUTANTS)
COATING, ENGRAVING AND ALLIED SERVICES
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL FABRICATION
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT PLATING AND POLISHING
RT SURFACE COATING OPERATIONS
UF ENGRAVING SERVICES
UF SIC 347
COATINGS
USE SURFACE COATINGS
COBALT COMPOUNDS
BT METAL COMPOUNDS
CODES
BT LEGAL ASPECTS
CODES OF PRACTICE
S TERM ADDED SEPTEMBER 1974
RT STANDARDS
COEFFICIENT OF HAZE
S TERM ADDED SEPTEMBER 1974
BT SOILING INDEX
RT HAZE
UF COH
COFFEE (FRUIT)
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
COFFEE-MAKING
USE COFFEE ROASTING
COFFEE ROASTING
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF COFFEE-MAKING
UF INSTANT COFFEE PRODUCTION
UF SIC 2095
COH
USE
COEFFICIENT OF HAZE
COKE
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
COKE OVENS
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT BLAST FURNACES AND STEEL MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
I-26
-------
THESAURUS
COMBUSTION PRODUCTS
COKE OVENS—Continued
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT BEEHIVE COKE OVENS
NT CHEMICAL RECOVERY COKE OVENS
UF COKING (COAL)
COKE QUENCHING
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT BLAST FURNACES AND STEEL MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
COKING (COAL)
USE COKE OVENS
COLD (DISEASE)
USE COMMON COLD
COLEUS
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
COLL
USE COLLECTION
COLLECTION
S ATTRIBUTE FOR APTIC NUMBERS 0 100160
UF COLL
COLLECTORS (MECHANICAL)
BT CONTROL EQUIPMENT-GAS STREAMS
NT CENTRIFUGAL SEPARATORS
NT GRAVITY COLLECTORS
NT MIST ELIMINATORS
NT ROTATIONAL SEPARATORS
NT SONIC AGGLOMERATORS
RT PARTICULATE SAMPLING
UF COLLECTORS
UF PARTICLE COLLECTORS
COLLECTORS
S SUPERSEDED TERM
USE COLLECTORS (MECHANICAL)
COLLEGES
USE UNIVERSITIES
COLLEGE STUDENTS
S TERM ADDED SEPTEMBER 1974
BT PERSONNEL
BT STUDENTS
RT UNIVERSITIES
COLLOIDS
BT CHEMICAL AND PHYSICAL PHENOMENA
BT DISPERSIONS
BT PHYSICAL STATES
COLON
USE INTESTINES
COLOR
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIES
BT VISUAL PROPERTIES
RT DISCOLORATION
RT OPTICAL PROPERTIES
COLORADO
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
COLORIMETRY
BT ANALYTICAL METHODS
NT MBTH METHOD (ALDEHYDES)
NT SALTZMAN METHOD (NOX)
NT WEST AND GAEKE METHOD (SO2)
COLUMN CHROMATOGRAPHY
BT ANALYTICAL METHODS
BT CHROMATOGRAPHY
COMBINED CYCLES
USE THERMODYNAMICS
COMBUSTIBLES AND VOLATILES
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL COMPOSITION
UF VOLATILES
COMBUSTION
BT CHEMICAL AND PHYSICAL PHENOMENA
NT FLAMES
RT BURNING
RT FUELS
RT FURNACES
RT OXIDATION
UF COAL COMBUSTION
UF FUEL COMBUSTION
COMBUSTION AIR
BT CONTROL METHODS
BT FIRING METHODS
BT PROCESS MODIFICATION
NT EXCESS AIR
NT OVERFIRE AIR
NT SECONDARY AIR
NT UNDERFIRE AIR
COMBUSTION CHAMBERS
S TERM ADDED SEPTEMBER 1974
RT ENGINES
UF COMBUSTORS
UF FIREBOXES
COMBUSTION EFFICIENCY
USE EFFICIENCY
COMBUSTION GASES
BT COMBUSTION PRODUCTS
BT POLLUTANTS
RT STACK GASES
COMBUSTION MODIFICATION
USE FIRING METHODS
COMBUSTION PRODUCTS
BT POLLUTANTS
NT ASHES
I-27
-------
COMBUSTORS
THESAURUS
COMBUSTION PRODUCTS—Continued
NT CINDERS
NT COMBUSTION GASES
RT FLY ASH
RT SMOKES
COMBUSTORS
USE COMBUSTION CHAMBERS
COMINCO SULFUR PROCESS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
COMMERCIAL
S SUPERSEDED TERM
USE COMMERCIAL AREAS
COMMERCIAL AIRCRAFT
S TERM ADDED SEPTEMBER 1974
BT AIRCRAFT
BT CIVIL AIRCRAFT
BT MOBILE EMISSION SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
UF AIRLINERS
COMMERCIAL AREAS
RT INDUSTRIAL AREAS
RT LAND USE PLANNING
UF COMMERCIAL
UF COMMERCIAL LAND USE
COMMERCIAL EQUIPMENT
RT CONTROL EQUIPMENT-GAS STREAMS
RT EXPERIMENTAL EQUIPMENT
COMMERCIAL FIRMS
RT RESEARCH INSTITUTES
COMMERCIAL INCINERATORS
USE INDUSTRIAL-COMMERCIAL INCINERATORS
COMMERCIAL LAND USE
USE COMMERCIAL AREAS
COMMINUTION
USE DISINTEGRATION
COMMON COLD
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
UF COLD (DISEASE)
COMMUNICABLE DISEASES
USE INFECTIOUS DISEASES
COMMUNITY PLANNING
USE PLANNING AND ZONING
COMP
USE COMPILATIONS
COMPENSATION (SALARY)
USE SALARIES
COMPILATIONS
S ATTRIBUTE FOR APTIC NUMBERS 0 100160
UF COMP
COMPLAINTS
BT PUBLIC AFFAIRS
COMPLEX SOURCES
S TERM ADDED SEPTEMBER 1974
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT PARKING FACILITIES
COMPLIANCE (RESPIRATORY)
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT RESPIRATORY FUNCTIONS
UF COMPLIANCE
COMPLIANCE
S SUPERSEDED TERM
USE COMPLIANCE (RESPIRATORY)
COMPLIANCE SCHEDULES
S TERM ADDED SEPTEMBER 1974
BT ADMINISTRATION
BT CONTROL PROGRAMS
BT PLANS AND PROGRAMS
RT OPERATING SCHEDULES
UF SCHEDULES (COMPLIANCE)
UF STANDARDS COMPLIANCE
COMPOSITION (CHEMICAL)
USE CHEMICAL COMPOSITION
COMPOSTING
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
COMPRESSED GASES
BT CHEMICAL AND PHYSICAL PHENOMENA
BT GASES
BT PHYSICAL STATES
UF LIQUEFIED GASES
COMPRESSION
BT CHEMICAL AND PHYSICAL PHENOMENA
COMPRESSION IGNITION ENGINES
USE DIESEL ENGINES
COMPUTER PROCESSING
USE DATA HANDLING SYSTEMS
COMPUTER PROGRAMS
S TERM ADDED JULY 1969
BT
UF
UF
UF
UF
DATA HANDLING SYSTEMS
HIWAY COMPUTER PROGRAM
PROGRAMS (COMPUTER)
ROUTINES (COMPUTER PROGRAMMING)
SYMAP COMPUTER PROGRAM
COMPUTERS
RT DATA HANDLING SYSTEMS
RT DATA RETRIEVAL
I-28
-------
THESAURUS
CONSTRUCTION-SPECIAL TRADES
COMPUTER TERMINALS
S TERM ADDED SEPTEMBER 1974
RT DATA HANDLING SYSTEMS
UF TERMINALS (COMPUTER)
CONCORDE AIRCRAFT
USE SUPERSONIC AIRCRAFT
CONCRETE
BT CONSTRUCTION MATERIALS
BT MATERIALS
CONCRETE (READY-MIXED) PRODUCTION
USE STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
CONCRETE PRODUCTS MANUFACTURING
USE STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
CONDENSATION
S EXCLUDES ATMOSPHERIC
BT CHEMICAL AND PHYSICAL PHENOMENA
RT FREEZING
CONDENSATION (AEROSOL)
USE AEROSOL CONDENSATION
CONDENSATION (ATMOSPHERIC)
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
NT CLOUDS
NT CONDENSATION NUCLEI
NT FOG
NT HAZE
UF ATMOSPHERIC CONDENSATION
CONDENSATION NUCLEI
S TERM ADDED SEPTEMBER 1974
BT ATMOSPHERIC PHENOMENA
BT CONDENSATION (ATMOSPHERIC)
BT METEOROLOGY
UF NUCLEI
CONDENSATION SEPARATION
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SEPARATION
CONDENSATION TRAILS
S TERM ADDED SEPTEMBER 1974
BT ATMOSPHERIC PHENOMENA
UF CONTRAILS
CONDUCTIMETRIC METHODS
BT MEASUREMENT METHODS
UF DAVIS INSTRUMENT
UF ELECTROCONDUCTIVITY ANALYZERS
UF THOMAS AUTOMETER
CONDUCTIVITY (ELECTRIC)
USE ELECTRICAL RESISTANCE
CONDUCTIVITY (THERMAL)
USE THERMAL CONDUCTIVITY
CONFECTIONARY PRODUCTS INDUSTRY
USE SUGAR AND CONFECTIONARY PRODUCTS
INDUSTRY
CONFERENCES
USE MEETINGS
CONGRESSES (MEETINGS)
USE MEETINGS
CONICAL INCINERATORS
USE TEEPEE BURNERS
CONIFERS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT TREES
NT CEDAR TREES
NT FIR TREES
NT PINE TREES
CONING
BT ATMOSPHERIC PHENOMENA
BT DISPERSION
BT PLUME BEHAVIOR
CONNECTICUT
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
CONSTRUCTION INDUSTRY
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT BUILDING CONSTRUCTION
NT CONSTRUCTION OTHER THAN BUILDING
CONSTRUCTION
NT CONSTRUCTION-SPECIAL TRADES
CONSTRUCTION MATERIALS
BT MATERIALS
NT ASPHALT
NT BRICKS
NT CEMENTS
NT CONCRETE
NT GLASS
NT STONE
UF BUILDING MATERIALS
UF ROAD MATERIALS
UF STRUCTURAL MATERIALS
CONSTRUCTION OTHER THAN BUILDING
CONSTRUCTION
S TERM ADDED SEPTEMBER 1974
BT CONSTRUCTION INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT ASPHALT PAVING
UF PAVING
UF ROAD SURFACING
UF SIC 16
CONSTRUCTION-SPECIAL TRADES
S TERM ADDED SEPTEMBER 1974
BT CONSTRUCTION INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT ABRASIVE BLASTING
I-29
-------
CONSULTANTS
THESAURUS
CONSTRUCTION-SPECIAL TRADES—Continued
NT ASBESTOS APPLICATION
NT WRECKING AND DEMOLITION
UF SIC 17
UF SPECIAL TRADES
CONSULTANTS
BT PERSONNEL
CONTACT
S SUPERSEDED TERM
USE CONTACT PROCESS
CONTACT PROCESS
BT CHEMICAL PROCESSES
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT SULFURIC ACID PLANTS
UF CONTACT
UF CONTACT PROCESSING
CONTACT PROCESSING
S SUPERSEDED TERM
USE CONTACT PROCESS
CONTAGIOUS DISEASES
USE INFECTIOUS DISEASES
CONTAMINANTS (AIR)
USE POLLUTANTS
CONTINUOUS
RT INTERMITTENT (MODIFIER)
CONTINUOUS AIR MONITORING PROGRAM (CAMP)
BT ADMINISTRATION
BT AIR QUALITY MEASUREMENT PROGRAMS
BT PLANS AND PROGRAMS
UF CAMP
CONTINUOUS MONITORING
BT MEASUREMENT METHODS
BT MONITORING
UF CONTINUOUS SAMPLING
CONTINUOUS SAMPLING
USE CONTINUOUS MONITORING
CONTRACT
S METHOD OF SUPPORT FOR APT/C NO 0 100032
CONTRACTING
BT ADMINISTRATION
CONTRAILS
USE CONDENSATION TRAILS
CONTROL AGENCIES
RT GOVERNMENTS
UF AIR POLLUTION CONTROL AGENCIES
UF SIC 9511
CONTROL EQUIPMENT
S SUPERSEDED TERM
USE CONTROL EQUIPMENT-GAS STREAMS
CONTROL EQUIPMENT-GAS STREAMS (NEC)
S TERM ADDED SEPTEMBER 1974
BT CONTROL EQUIPMENT-GAS STREAMS
CONTROL EQUIPMENT-GAS STREAMS
NT AIR CONDITIONING EQUIPMENT
NT COLLECTORS (MECHANICAL)
NT CONTROL EQUIPMENT-GAS STREAMS (NEC)
NT ELECTROSTATIC PRECIPITATORS
NT EXHAUST SYSTEMS
NT FILTERS
NT FLARES
NT INCINERATORS (WASTE GASES)
NT PROTECTIVE MASKS
NT SCRUBBERS
NT VAPOR CONTROL SYSTEMS
RT COMMERCIAL EQUIPMENT
UF AIR POLLUTION CONTROL EQUIPMENT-GAS
STREAMS
UF CONTROL EQUIPMENT
UF DUST COLLECTORS (CONTROL)
UF GAS CLEANING
CONTROLLED AIR INCINERATORS
S TERM ADDED SEPTEMBER 1974
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INCINERATORS (REFUSE)
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
CONTROLLED ATMOSPHERES
NT SPACECRAFT ATMOSPHERES
RT EXPOSURE METHODS
RT SIMULATION
UF ATMOSPHERES (CONTROLLED)
CONTROLLED PORE FILTRATION
USE MEMBRANE FILTRATION
CONTROL METHODS (CATEGORICAL)
S CATEGORY
NT CONTROL METHODS (FUEL TREATMENT AND
FUEL CONVERSION)
NT CONTROL METHODS (GENERAL STATIONARY
SOURCE)
NT CONTROL METHODS (MOBILE SOURCE)
NT CONTROL METHODS (SPECIFIC STATIONARY
SOURCE)
UF C/A-CONTROL METHODS
UF C/S-CONTROL METHODS
UF CONTROL METHODS ((CATEGORY!
CONTROL METHODS (FUEL TREATMENT AND FUEL
CONVERSION)
S CA TEGORY FOR APT/C NUMBERS ABOVE 100031
BT CONTROL METHODS (CATEGORICAL)
CONTROL METHODS (GENERAL STATIONARY SOURCE)
S CA TEGORY FOR APT/C NUMBERS ABOVE 100031
BT CONTROL METHODS (CATEGORICAL)
CONTROL METHODS (MOBILE SOURCE)
S CATEGORY FOR APT/C NUMBERS ABOVE 100031
BT CONTROL METHODS (CATEGORICAL)
CONTROL METHODS (SPECIFIC STATIONARY SOURCE)
S CA TEGORY FOR APT/C NUMBERS ABOVE 100031
I-30
-------
THESAURUS
CORPUSCLES
CONTROL METHODS (SPECIFIC STATIONARY
SOURCE)—Continued
BT CONTROL METHODS (CATEGORICAL)
CONTROL METHODS
NT ABSORPTION (CONTROL)
NT ADSORPTION (CONTROL)
NT AUTOMOTIVE EMISSION CONTROL
NT BY-PRODUCT RECOVERY
NT CATALYTIC OXIDATION
NT FUEL ADDITIVES
NT FUEL TREATMENT
NT INSPECTION
NT MAINTENANCE
NT ODOR CONTROL
NT PROCESS MODIFICATION
NT RAPPING
NT RECIRCULATION
NT SEDIMENTATION (CONTROL)
NT VENTILATION
NT WASTE GAS CONTROL
UF DUST CONTROL
UF EVAPORATION CONTROL
UF SULFATION (CONTROL)
CONTROL METHODS-OBJECTS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS-ROOMS AND OBJECTS
CONTROL METHODS-ROOMS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS-ROOMS AND OBJECTS
CONTROL METHODS-ROOMS AND OBJECTS
S TERM ADDED SEPTEMBER 1974
NT CONTROL METHODS-OBJECTS
NT CONTROL METHODS-ROOMS
CONTROL METHODS ((CATEGORY!
S SUPERSEDED CATEGORY TERM
USE CONTROL METHODS (CATEGORICAL)
CONTROL PROGRAMS
BT ADMINISTRATION
BT PLANS AND PROGRAMS
NT COMPLIANCE SCHEDULES
NT IMPLEMENTATION PLANS
NT RETROFIT PROGRAMS
NT TRANSPORTATION CONTROL PLANS
RT ABATEMENT
RT AIR QUALITY MAINTENANCE AREAS
RT AIR RESOURCE MANAGEMENT
CONVECTION (ATMOSPHERIC)
BT ATMOSPHERIC MOVEMENTS
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
CONVECTION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT HEAT TRANSFER
CONVENTIONS (MEETINGS)
USE MEETINGS
CONVEYING (MATERIALS)
USE MATERIALS HANDLING
COOKING (RETAIL)
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT RETAIL TRADE
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT FOOD AND KINDRED PRODUCTS INDUSTRY
COOLING
BT CHEMICAL AND PHYSICAL PHENOMENA
BT HEAT TRANSFER
NT FREEZING
NT SUPERCOOLING
RT TEMPERATURE
UF CHILLING
UF QUENCHING (HEAT TRANSFER)
COOLING TOWERS
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF NATURAL DRAFT COOLING TOWERS
COPPER
BT MATERIALS
BT METALS
NT COPPER ALLOYS
COPPER ALLOYS
BT COPPER
BT MATERIALS
BT METALS
UF BRASS
UF BRONZE
COPPER COMPOUNDS
BT METAL COMPOUNDS
COPPER FOUNDRIES
USE BRASS, BRONZE, AND COPPER FOUNDRIES
COPPER PRIMARY SMELTING AND REFINING
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT PRIMARY SMELTING AND REFINING OF
NONFERROUS METALS
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 3331
CORE OVENS
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT METAL INDUSTRIES
CORK PROCESSING
USE LUMBER AND WOOD PRODUCTS INDUSTRY
CORN
BT CROPS
BT PLANTS (BOTANY)
CORONA
BT CHEMICAL AND PHYSICAL PROPERTIES
BT ELECTRICAL PROPERTIES
CORPUSCLES
USE BLOOD CELLS
1-31
-------
CORROSION
THESAURUS
CORROSION
BT MATERIALS
BT MATERIALS DETERIORATION
RT OXIDATION
UF ATMOSPHERIC CORROSION
UF RUST (MATERIALS)
CORUNDUM
USE ALUMINUM OXIDES
COSMIC AND METEORITIC SOURCES
S TERM ADDED SEPTEMBER 1974
BT NON-INDUSTRIAL EMISSION SOURCES (NEC)
BT SOURCES
COSMIC RAYS
BT CHEMICAL AND PHYSICAL PHENOMENA
BT RADIOACTIVE RADIATION
COST ANALYSIS
S TERM ADDED SEPTEMBER 1974
BT ECONOMICS
UF BENEFIT COST ANALYSIS
UF COST BENEFIT ANALYSIS
COST BENEFIT ANALYSIS
USE COST ANALYSIS
COSTS
BT ECONOMICS
NT OPERATING COSTS
RT ECONOMIC LOSSES
RT FEES
UF EXPENSES
COTTON
BT CROPS
BT PLANTS (BOTANY)
COTTON GINNING
BT AGRICULTURAL SERVICES
BT AGRICULTURE INDUSTRY
BT CROP SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 0724
COTTONS
BT MATERIALS
BT TEXTILES
COTTRELL PRECIPITATORS
USE ELECTROSTATIC PRECIPITATORS
COUGH
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
COULOMETRIC METHODS
S TERM ADDED SEPTEMBER 1974
BT ANALYTICAL METHODS
BT CHEMICAL METHODS
BT ELECTROCHEMICAL METHODS
COUNTERACTION (ODOR)
USE ODOR COUNTERACTION
COUNTER CURRENTS
BT ATMOSPHERIC MOVEMENTS
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
COUNTERS (PARTICLE)
USE PARTICLE COUNTING
COUNTERS (RADIATION)
USE RADIATION COUNTERS
COUNTY GOVERNMENTS
BT GOVERNMENTS
COWPEA
S TERM ADDED SEPTEMBER 1974
BT CROPS
BT PLANTS (BOTANY)
CRACKING
BT MATERIALS
BT MATERIALS DETERIORATION
CRANBERRIES
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
UF CRANBERRYS
CRANBERRYS
USE CRANBERRIES
CRANKCASE EMISSIONS
BT ENGINE EMISSIONS
BT POLLUTANTS
NT BLOWBY
NT CRANKCASE LUBRICATION FUMES
NT CRANKCASE VENTILATION AIR
CRANKCASE LUBRICATION FUMES
BT CRANKCASE EMISSIONS
BT ENGINE EMISSIONS
BT POLLUTANTS
CRANKCASE VENTILATION AIR
BT CRANKCASE EMISSIONS
BT ENGINE EMISSIONS
BT POLLUTANTS
CREMATORIES
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT SERVICE INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
CREOSOTING OF WOOD
USE LUMBER AND WOOD PRODUCTS INDUSTRY
CRITERIA
NT AIR QUALITY CRITERIA
NT EQUIPMENT CRITERIA
NT FUEL CRITERIA
NT OPERATING CRITERIA
RT DESIGN CRITERIA
CROATIAN
USE SERBO-CROATIAN
I-32
-------
THESAURUS
CUPOLAS
CROCIDOLITE
USE ASBESTOS
CROPS
BT PLANTS (BOTANY)
NT ALFALFA
NT BARLEY
NT BIRDS FOOT TREFOIL
NT BUCKWHEAT
NT CASTOR BEAN
NT CLOVER
NT CORN
NT COTTON
NT COWPEA
NT FLAX
NT GRASSES
NT LUPINE
NT OATS
NT PEANUTS
NT RAPE
NT RICE
NT RYE
NT SORGHUM
NT SOYBEANS
NT SUGAR CANE
NT TEA
NT TOBACCO
NT WHEAT
CROP SERVICES
S TERM ADDED SEPTEMBER 1974
BT AGRICULTURAL SERVICES
BT AGRICULTURE INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT COTTON GINNING
NT CROP SPRAYING
NT PLANT PROTECTION
UF SIC 072
CROP SPRAYING
BT AGRICULTURAL SERVICES
BT AGRICULTURE INDUSTRY
BT CROP SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT PESTICIDES
RT SPRAYS
UF HERBICIDE SPRAYING
UF SPRAYING (CROPS)
CRUDE OIL
S TERM ADDED SEPTEMBER 1974
BT FUEL OILS
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF PETROLEUM (CRUDE)
CRUSHING
USE DISINTEGRATION
CRYSTALLIZATION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
CRYSTAL METHODS
S TERM ADDED SEPTEMBER 1974
BT MEASUREMENT METHODS
CRYSTAL STRUCTURE
BT CHEMICAL AND PHYSICAL PROPERTIES
RT ORIENTATION (DIRECTION)
C/S-AIR QUALITY MEAS
USE POLLUTION DATA
C/S-ATMOS INTERACT
USE ATMOSPHERIC INTERACTION
C/S-BASIC SCI-TECH
USE BASIC SCIENCE AND TECHNOLOGY
C/S-CONTROL METHODS
USE CONTROL METHODS (CATEGORICAL)
C/S-EFFECTS-ECONOMIC
USE ECONOMIC ASPECTS
C/S-EFFECTS-HUM HLTH
USE EFFECTS (HUMAN HEALTH)
C/S-EFFECTS-MATERIALS
USE EFFECTS (ON MATERIALS)
C/S-EFFECTS-PLANTS, LIVEST
USE EFFECTS (ON PLANTS AND LIVESTOCK)
C/S-EMISSION SOURCES
USE EMISSION SOURCES
C/S-GENERAL
USE GENERAL AND MISCELLANEOUS
C/S-LEGAL AND ADMIN
USE GOVERNMENTAL PARTICIPATION
C/S-MEASUREMENT METH-S
USE MEASUREMENT METHODS (CATEGORICAL)
C/S-SOCIAL ASPECTS
USE SOCIAL ASPECTS AND PUBLIC INVOLVEMENT
C/S-STDS AND CRIT
USE STANDARDS AND CRITERIA
CUCUMBERS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
CULTURE MEDIA
S TERM ADDED SEPTEMBER 1974
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
RT MICROORGANISMS
RT TISSUE CULTURES
CUMULATIVE MEASUREMENT METHODS
BT MEASUREMENT METHODS
NT DUST FALL BUCKETS
NT SULFATION-OF-LEAD METHODS
CUPOLAS
BT FURNACES
BT SOURCES
BT STATIONARY EMISSION SOURCES
I-33
-------
CURING
THESAURUS
CUPOLAS—Continued
RT METAL INDUSTRIES
UF FURNACE CUPOLAS
CURING
USE HEAT TRANSFER
CURRICULUM
USE EDUCATION
CVCC ENGINES
USE STRATIFIED CHARGE ENGINES
CYANATES
RT ESTERS
CYANIDES
RT METAL COMPOUNDS
RT NITRILES
CYCLIC ALKANES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
CYCLIC CRUDES AND INTERMEDIATE PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT DYE MANUFACTURING
UF MALEIC ANHYDRIDE MANUFACTURING
UF PHTHALIC ANHYDRIDE MANUFACTURING
UF SIC 2865
CYCLONE FURNACES
S TERM ADDED SEPTEMBER 1974
BT FURNACES
BT SOURCES
BT STATIONARY EMISSION SOURCES
CYCLONES
S SUPERSEDED TERM
USE CYCLONES (ATMOSPHERIC)
CYCLONES (ATMOSPHERIC)
BT ATMOSPHERIC MOVEMENTS
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
RT PRESSURE (ATMOSPHERIC)
UF CYCLONES
CYCLONES (CONTROL)
S TERM ADDED SEPTEMBER 1974
BT CENTRIFUGAL SEPARATORS
BT COLLECTORS (MECHANICAL)
BT CONTROL EQUIPMENT-GAS STREAMS
RT WET CYCLONES
UF MULTICYCLONES
UF SEPARATORS (WASTE GAS CYCLONES)
CZECH
S LANGUAGE
UF BOHEMIAN
CZECHOSLOVAKIA
S TERM ADDED APRIL 1967
BT
BT
EASTERN EUROPE
EUROPE
CZECHOSLOVAKIAN
S LANGUAGE
DAILY
USE DIURNAL
DAIRY PRODUCTS INDUSTRY
S TERM ADDED SEPTEMBER 1974
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 202
DANISH
S LANGUAGE
DATA ANALYSIS
S TERM ADDED JULY 1969
BT DATA HANDLING SYSTEMS
RT MATHEMATICAL ANALYSES
RT STATISTICAL ANALYSES
UF ANALYSIS (DATA)
DATA HANDLING SYSTEMS
S TERM ADDED JUL Y 1969
NT COMPUTER PROGRAMS
NT DATA ANALYSIS
NT DATA RETRIEVAL
NT INFORMATION RETRIEVAL
RT COMPUTERS
RT COMPUTER TERMINALS
UF AEROMETRIC AND EMISSIONS REPORTING
SYSTEM
UF AEROS (AEROMETRIC AND EMISSIONS
REPORTING SYSTEM)
UF COMPUTER PROCESSING
UF NATIONAL EMISSIONS DATA SYSTEM (NEDS)
UF NEDS (NATIONAL EMISSIONS DATA SYSTEM)
DATA RETRIEVAL
S TERM ADDED SEPTEMBER 1974
BT DATA HANDLING SYSTEMS
RT COMPUTERS
RT MATHEMATICAL ANALYSES
RT RECORDING METHODS
UF RETRIEVAL (DATA)
UF SAROAD (STORAGE AND RETRIEVAL OF
AEROMETRIC DATA)
UF STORAGE AND RETRIEVAL OF AEROMETRIC DATA
(SAROAD)
DAVIS INSTRUMENT
USE CONDUCTIMETRIC METHODS
DAY-NIGHT
USE DIURNAL
DEATHS
USE MORTALITY
DECAY
USE BIOLOGICAL DECAY
-34
-------
THESAURUS
DETERGENT MANUFACTURING
DECELERATION (ENGINE)
USE ENGINE OPERATING CYCLES
DECIDUOUS TREES
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT TREES
NT ASH TREES
NT BEECH TREES
NT BIRCH TREES
NT ELM TREES
NT MAPLE TREES
NT OAK TREES
NT REDWOOD TREES
NT RUBBER TREES
UF HARDWOOD TREES
DECISIONS
BT LEGAL ASPECTS
DECOMPOSITION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT CHEMICAL REACTIONS
RT BIOLOGICAL DECAY
DEER
BT ANIMALS
BT ANIMALS (NON-HUMAN)
DEFOLIANTS
BT PHYTOTOXICANTS
BT POLLUTANTS
RT LEAVES
DEGRADATION (MATERIALS)
USE MATERIALS DETERIORATION
DECREASING
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT LUBRICANTS
DEGREE-DAYS
S TERM ADDED SEPTEMBER 1974
BT ATMOSPHERIC PHENOMENA
DEHUMIDIFICATION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
RT HUMIDIFICATION
DEHYDRATION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
RT DRYING
RT HUMIDIFICATION
DELAWARE
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
DELIQUESCENCE
USE HYGROSCOPICITY
DEMISTERS
USE MIST ELIMINATORS
DEMOLITION
USE WRECKING AND DEMOLITION
DENMARK
BT EUROPE
BT SCANDINAVIA
BT WESTERN EUROPE
DENSE MEDIUM SEPARATION
S TERM ADDED SEPTEMBER 1974
BT COAL PREPARATION
BT CONTROL METHODS
BT FUEL TREATMENT
DENSITY
BT CHEMICAL AND PHYSICAL PROPERTIES
UF API GRAVITY
UF SPECIFIC GRAVITY
UF SPECIFIC VOLUME
UF SPECIFIC WEIGHT
UF DESOXYRIBONUCLEIC ACID
UF DNA
DEOXYRIBONUCLEIC ACIDS
S TERM ADDED SEPTEMBER 1974
BT BIOCHEMISTRY
BT BIOLOGICAL FACTORS
BT NUCLEIC ACIDS v
BT RIBONUCLEIC ACIDS
RT GENETICS
DEPOSITION (RESPIRATORY)
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT RESPIRATORY FUNCTIONS
RT DEPOSITION
DEPOSITION
S SUPERSEDED TERM
RT DEPOSITION (RESPIRATORY)
RT DEPOSITION PHENOMENA
DEPOSITION PHENOMENA
S CHEMICAL, PHYSICAL AND METEOROLOGICAL,
EXCLUDING RESPIRATORY
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
RT DEPOSITION
DESIGN CRITERIA
RT CRITERIA
DESIGN STANDARDS
S TERM ADDED SEPTEMBER 1974
BT STANDARDS
DESOXYRIBONUCLEIC ACID
USE DEOXYRIBONUCLEIC ACID
DESULFURIZATION OF FUELS
USE FUEL TREATMENT
DETERGENT MANUFACTURING
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOAP AND DETERGENT PLANTS
BT SOURCES
I-35
-------
DETERIORATION (MATERIALS)
DETERGENT MANUFACTURING—Continued
BT STATIONARY EMISSION SOURCES
DETERIORATION (MATERIALS)
USE MATERIALS DETERIORATION
DETROIT
BT AMERICA
BT MICHIGAN
BT NORTH AMERICA
BT UNITED STATES
DEVELOPMENT (PLANTS)
USE PLANT GROWTH AND DEVELOPMENT
DEW POINT
USE HUMIDITY
DEXTROSE
USE GLUCOSES
DIAGNOSIS
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT TREATMENT AND AIDS
NT AUTOPSY
NT BIO-ASSAY
NT BIOPSY
NT SKIN TESTS
RT PATHOLOGICAL TECHNIQUES
RT RADIOGRAPHY
DIATOMACEOUS EARTH PRODUCTION
USE STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
DIESEL
S SUPERSEDED TERM
USE DIESEL ENGINES
DIESEL ENGINE EXHAUST
USE ENGINE EXHAUSTS
DIESEL ENGINES
BT ENGINES
BT INTERNAL COMBUSTION ENGINES
BT POWER SOURCES
BT SOURCES
UF COMPRESSION IGNITION ENGINES
UF DIESEL
DIESEL FUELS
S TERM ADDED SEPTEMBER 1974
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
DIFFRACTION
BT CHEMICAL AND PHYSICAL PHENOMENA
RT LIGHT SCATTERING
RT X-RAY DIFFRACTION
DIFFUSION (ATMOSPHERIC)
BT ATMOSPHERIC PHENOMENA
BT DISPERSION
NT DIFFUSION MODELS
RT TURBULENCE (ATMOSPHERIC)
UF ATMOSPHERIC DIFFUSION
UF DIFFUSION
THESAURUS
DIFFUSION (OXYGEN)
USE OXYGEN DIFFUSION
DIFFUSION
S SUPERSEDED TERM
USE DIFFUSION (ATMOSPHERIC)
DIFFUSION MODELS
BT ATMOSPHERIC PHENOMENA
BT DIFFUSION (ATMOSPHERIC)
BT DISPERSION
RT MATHEMATICAL MODELING
RT SIMULATION
UF GAUSSIAN PLUME MODELS
UF MODELS (DIFFUSION)
DIFFUSION PHENOMENA
BT CHEMICAL AND PHYSICAL PHENOMENA
RT AEROSOL DIFFUSION
DIGESTERS
BT SOURCES
BT STATIONARY EMISSION SOURCES
DIGESTION
BT BIOLOGICAL PROCESSES AND FUNCTIONS
RT ENZYMES
DIGESTIVE SYSTEM
BT BIOLOGICAL CONSTITUENTS AND PARTS
NT ESOPHAGUS
NT INTESTINES
NT LIVER
NT MOUTH
NT STOMACH
NT TEETH
DIGITAL METHODS
BT RECORDING METHODS
DILUTION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
DIMETHYL ANILINE PROCESS
USE ASARCO DIMETHYLANILINE PROCESS
DIMETHYL DISULFIDE
S TERM ADDED SEPTEMBER 1974
BT SULFUR ORGANIC COMPOUNDS
DIOLEFINS
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
BT OLEFINS
NT ALLENES
NT BUTADIENES
DIPHENYLETHYLENE (1-2)
USE STILBENE
DIPHENYLS
BT AROMATIC HYDROCARBONS
BT HYDROCARBONS
BT PHENYL COMPOUNDS
NT STILBENE
RT POLYCHLORINATED BIPHENYLS
I-36
-------
THESAURUS
DISTRICT OF COLUMBIA
DIPOLE MOMENT
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIES
BT ELECTRICAL PROPERTIES
DIPPING
USE FLUID FLOW
DIPTERA
USE FLIES
DIR
USE DIRECTORIES
DIRECTION (ORIENTATION)
USE ORIENTATION (DIRECTION)
DIRECTORIES
S ATTRIBUTE FOR APTIC NUMBERS 0 100160
UF DIR
DIRECTORS
USE MANAGEMENT PERSONNEL
DIRT AIR STRIPS
S TERM ADDED SEPTEMBER 1974
BT AIRPORTS
DIRT ROADS
S TERM ADDED SEPTEMBER 1974
BT ROADS
DISCOLORATION
BT MATERIALS
BT MATERIALS DETERIORATION
RT COLOR
DISEASES AND DISORDERS
NT ALLERGIES
NT ANEMIA
NT ANOXIA
NT ASPHYXIATION
NT BERYLLIOSIS
NT BLINDNESS
NT CANCER
NT CARCINOGENS
NT CARDIOVASCULAR DISEASES
NT ERYTHEMA
NT EYE IRRITATION
NT FLUOROSIS
NT HEADACHE
NT HEALTH IMPAIRMENT
NT HYPERSENSITIVITY
NT HYPERVENTILATION
NT HYPOXIA
NT INFECTIOUS DISEASES
NT LACHRYMATION
NT METAL POISONING
NT MUTAGENESIS
NT NAUSEA
NT ORGANIC DISEASES
NT RESPIRATORY DISEASES
NT STERILITY
NT THROAT IRRITATION
NT TUMORS
UF AIR POLLUTION EFFECTS (HUMAN)
DISINTEGRATION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
UF COMMINUTION
UF CRUSHING
UF GRINDING
UF POWDERING
UF SCARFING
DISPERSAL (ATMOSPHERIC)
USE DISPERSION
DISPERSION
BT ATMOSPHERIC PHENOMENA
NT AREA SOURCES
NT DIFFUSION (ATMOSPHERIC)
NT LINE SOURCES
NT PLUME BEHAVIOR
NT PLUME HEIGHT
NT POINT SOURCES
NT TRANSPORT
RT DISSIPATION RATES
RT TALL STACK ISSUE
UF ATMOSPHERIC DISPERSION
UF DISPERSAL (ATMOSPHERIC)
DISPERSIONS
BT CHEMICAL AND PHYSICAL PHENOMENA
BT PHYSICAL STATES
NT COLLOIDS
NT EMULSIONS
UF SUSPENSIONS
DISPLACEMENT
BT CHEMICAL AND PHYSICAL PHENOMENA
BT CHEMICAL REACTIONS
DISSIPATION RATES
RT BUILD-UP RATES
RT DISPERSION
DISSOCIATION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT CHEMICAL REACTIONS
DISTILLATE
S SUPERSEDED TERM
USE DISTILLATE OILS
DISTILLATE OILS
BT FUEL OILS
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF DISTILLATE
DISTILLATION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
RT FRACTIONATION
DISTILLERIES (LIQUOR)
USE BEVERAGE INDUSTRY
DISTRIBUTION (PETROLEUM)
USE PETROLEUM DISTRIBUTION
DISTRICT OF COLUMBIA
USE WASHINGTON D C
I-37
-------
DIURNAL
THESAURUS
DIURNAL
RT HOURLY
RT WEEKLY
UF DAILY
UF DAY-NIGHT
UF NIGHT-DAY
DNA
USE DEOXYRIBONUCLEIC ACID
DOCUMENT RETRIEVAL
USE INFORMATION RETRIEVAL
DOGS
BT ANIMALS
BT ANIMALS (NON-HUMAN)
DOMESTIC ANIMALS
BT ANIMALS
BT ANIMALS (NON-HUMAN)
DOMESTIC FOWL
USE POULTRY
DOMESTIC HEATING
RT RESIDENTIAL SOURCES
RT FURNACES
RT SPACE HEATING
UF HEATING (DOMESTIC)
UF HEATING (RESIDENTIAL)
DOMESTIC SOURCES
USE RESIDENTIAL SOURCES
DONORA
BT AMERICA
BT NORTH AMERICA
BT PENNSYLVANIA
BT UNITED STATES
DOUBLE CONTACT PROCESS (CONTROL)
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
DOUBLE CONTACT PROCESS
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL PROCESSES
BT SOURCES
BT STATIONARY EMISSION SOURCES
DRAFT LOSS
USE PRESSURE
DRIERS
USE DRYING
DRINKING
USE INGESTION
DRIVING CYCLE
USE ENGINE OPERATING CYCLES
DROPLETS
BT PARTICULATES
BT POLLUTANTS
BT SUSPENDED PARTICULATES
DRUGS
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT TREATMENT AND AIDS
NT ANTIDOTES
NT BRONCHODILATORS
UF PHARMACEUTICALS
DRY CLEANING PLANTS (EXCEPT RUG)
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT SERVICE INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 7216
DRY CLEANING SOLVENTS
BT POLLUTANTS
BT SOLVENTS
DRYING
BT CHEMICAL AND PHYSICAL PHENOMENA
RT AUTOCLAVES
RT DEHYDRATION
RT EVAPORATION
RT HYGROSCOPICITY
RT KILNS
UF DRIERS
UF SPRAY DRIER
DUCKS
S TERM ADDED SEPTEMBER 1974
BT ANIMALS
BT ANIMALS (NON-HUMAN)
BT BIRDS
UF MALLARDS
DUMP BURNING
USE OPEN BURNING
DUMPS
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
Bf SOURCES
BT STATIONARY EMISSION SOURCES
DUODENUM
USE INTESTINES
DUST COLLECTORS (CONTROL)
USE CONTROL EQUIPMENT-GAS STREAMS
DUST CONTROL
USE CONTROL METHODS
DUST FALL
RT AIR QUALITY MEASUREMENTS
RT SOOT FALL
DUST FALL BUCKETS
S TERM ADDED SEPTEMBER 1974
BT CUMULATIVE MEASUREMENT METHODS
BT MEASUREMENT METHODS
DUST FILTERS
USE FILTERS
I-38
-------
THESAURUS
EFFECTS (OTHER THAN HUMAN HEALTH)
DUSTS
BT PARTICULATES
BT POLLUTANTS
BT SETTLING PARTICLES
RT POWDER (PARTICLES)
UF GRIT
DUTCH
USE NETHERLANDISH
DUTIES (EMPLOYMENT)
USE JOB ANALYSIS
DWARFING
S TERM ADDED SEPTEMBER 1974
BT PLANT GROWTH AND DEVELOPMENT
DWELLINGS
USE RESIDENTIAL BUILDINGS
DYE MANUFACTURING
BT CHEMICALS AND ALLIED MANUFACTURING
BT CYCLIC CRUDES AND INTERMEDIATE
PRODUCTION
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES x
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF DYES
DYES
S SUPERSEDED TERM
USE DYE MANUFACTURING
DYNAMOMETERS
RT TESTING FACILITIES
EARTH (SUBSTANCE)
USE SOILS
EARTH FILLS
USE LANDFILLS
EARTH MOVERS
USE OFF-ROAD VEHICLES
EASTERN EUROPE
S TERM ADDED SEPTEMBER 1974
BT EUROPE
NT ALBANIA
NT BULGARIA
NT CZECHOSLOVAKIA
NT GERMAN DEMOCRATIC REPUBLIC
NT HUNGARY
NT POLAND
NT ROMANIA
NT USSR
NT YUGOSLAVIA
EATING
USE INGESTION
ECONOMIC ANALYSIS
USE ECONOMICS
ECONOMIC ASPECTS
S CATEGORY
UF C/A-EFFECTS-ECONOMIC
UF C/S-EFFECTS-ECONOMIC
ECONOMIC FACTORS
USE ECONOMICS
ECONOMIC IMPACT
USE ECONOMICS
ECONOMIC LOSSES
BT ECONOMICS
RT COSTS
UF LOSSES (ECONOMIC)
ECONOMICS
NT CAPITAL
NT COST ANALYSIS
NT COSTS
NT ECONOMIC LOSSES
NT FINANCING
RT BUDGETING
RT FEES
RT INCENTIVES
RT TAXATION
UF AIR POLLUTION ECONOMICS
UF ECONOMIC ANALYSIS
UF ECONOMIC FACTORS
UF ECONOMIC IMPACT
UF OVERHEAD (ECONOMICS)
EDDY
USE TURBULENCE (ATMOSPHERIC)
EDEMA (PULMONARY)
USE PULMONARY EDEMA
EDUCATION
RT STUDENTS
RT UNIVERSITIES
UF CURRICULUM
UF INSTRUCTION
UF JOB TRAINING
UF SIC 82
UF TEACHING
UF TRAINING
EFFECTS (HUMAN HEALTH)
S CATEGORY
UF C/A-EFFECTS-HUM HLTH
UF C/S-EFFECTS-HUM HLTH
UF EFFECTS-HUM HLTH
EFFECTS (ON MATERIALS)
S CATEGORY
BT EFFECTS (OTHER THAN HUMAN HEALTH)
UF C/A-EFFECTS-MATERIALS
UF C/S-EFFECTS-MATERIALS
UF EFFECTS-MATERIALS
EFFECTS (ON PLANTS AND LIVESTOCK)
S CATEGORY
BT EFFECTS (OTHER THAN HUMAN HEALTH)
UF C/A-EFFECTS-PLANTS, LIVEST
UF C/S-EFFECTS-PLANTS, LIVEST
UF EFFECTS-PLANTS, LIVEST
EFFECTS (OTHER THAN HUMAN HEALTH)
S CA TEGORY FOR APTIC NUMBERS ABOVE 100031
NT EFFECTS (ON MATERIALS)
NT EFFECTS (ON PLANTS AND LIVESTOCK)
I-39
-------
EFFECTS-HUM HLTH
THESAURUS
EFFECTS-HUM HLTH
S SUPERSEDED CATEGORY TERM
USE EFFECTS (HUMAN HEALTH)
EFFECTS-MATERIALS
S SUPERSEDED CATEGORY TERM
USE EFFECTS (ON MATERIALS)
EFFECTS-PLANTS, LIVEST
S SUPERSEDED CATEGORY TERM
USE EFFECTS (ON PLANTS AND LIVESTOCK)
EFFICIENCY
S TERM ADDED JUL Y 1969
RT OPERATING VARIABLES
UF COMBUSTION EFFICIENCY
EGR (EXHAUST GAS RECIRCULATION)
USE RECIRCULATION
EGYPT
S TERM ADDED SEPTEMBER 1974
BT AFRICA
ELASTOMERS
USE RUBBER
ELECTRIC
S SUPERSEDED TERM
USE ELECTRIC FURNACES
ELECTRICAL AND ELECTRONIC EQUIPMENT PLANTS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT BATTERY MANUFACTURING
UF ELECTRONIC EQUIPMENT PLANTS
UF SIC 36
ELECTRICAL CONDUCTANCE
USE ELECTRICAL RESISTANCE
ELECTRICAL DISCHARGES
S TERM ADDED SEPTEMBER 1974
BT SOURCES
BT STATIONARY EMISSION SOURCES
ELECTRICAL EXCITATION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
RT AEROSOL ELECTRICAL PHENOMENA
ELECTRICAL INSULATORS
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
UF INSULATORS (ELECTRICAL)
ELECTRICAL MEASUREMENT DEVICES
NT VOLTMETERS
UF AMPEROMETRY
ELECTRICAL PRECIPITATORS
USE ELECTROSTATIC PRECIPITATORS
ELECTRICAL PROPERTIES
BT CHEMICAL AND PHYSICAL PROPERTIES
NT CORONA
NT DIPOLE MOMENT
NT ELECTRIC CHARGE
NT ELECTRICAL RESISTANCE
NT VOLTAGE
ELECTRICAL RESISTANCE
BT CHEMICAL AND PHYSICAL PROPERTIES
BT ELECTRICAL PROPERTIES
UF CONDUCTIVITY (ELECTRIC)
UF ELECTRICAL CONDUCTANCE
UF RESISTANCE (ELECTRICAL)
UF RESISTIVITY (ELECTRIC)
ELECTRIC BATTERIES
BT ELECTRIC POWER SOURCES
BT POWER SOURCES
BT SOURCES
UF BATTERIES (ELECTRIC)
UF STORAGE BATTERIES
ELECTRIC CHARGE
BT CHEMICAL AND PHYSICAL PROPERTIES
BT ELECTRICAL PROPERTIES
ELECTRIC FURNACES
BT FURNACES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF ELECTRIC
ELECTRIC, GAS, AND SANITARY SERVICES
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT ELECTRIC POWER GENERATION
NT GAS PRODUCTION AND DISTRIBUTION
NT SANITARY SERVICES
UF SIC 49
ELECTRICITY (ATMOSPHERIC)
BT ATMOSPHERIC PHENOMENA
UF ATMOSPHERIC ELECTRICITY
ELECTRIC POTENTIAL
USE VOLTAGE
ELECTRIC POWER GENERATION
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT MAGNETOHYDRODYNAMICS (MHD)
NT NUCLEAR POWER PLANTS
NT STEAM ELECTRIC POWER GENERATION
UF ELECTRIC POWER PLANTS
UF ELECTRIC POWER PRODUCTION
UF ELECTRIC UTILITIES
UF POWER GENERATION
UF POWER HOUSES
UF POWER PRODUCTION
UF POWER STATIONS
UF SIC 491
ELECTRIC POWER PLANTS
USE ELECTRIC POWER GENERATION
I-40
-------
THESAURUS
ELUTRIATION (COAL)
ELECTRIC POWER PRODUCTION
S SUPERSEDED TERM
USE ELECTRIC POWER GENERATION
ELECTRIC POWER SOURCES
S TERM ADDED APRIL 1967
BT POWER SOURCES
BT SOURCES
NT ELECTRIC BATTERIES
NT FUEL CELLS
NT HYDROELECTRIC POWER
UF ELECTRIC PROPULSION
ELECTRIC PROPULSION
USE ELECTRIC POWER SOURCES
ELECTRIC UTILITIES
USE ELECTRIC POWER GENERATION
ELECTROCHEMICAL METHODS
BT ANALYTICAL METHODS
BT CHEMICAL METHODS
NT COULOMETRIC METHODS
NT POLAROGRAPHIC METHODS
NT POTENTIOMETRIC METHODS
NT SOLID STATE METHODS
ELECTROCONDUCTIVITY ANALYZERS
USE CONDUCTIMETRIC METHODS
ELECTROFILTERS
USE ELECTROSTATIC PRECIPITATORS
ELECTROLYSIS
BT CHEMICAL AND PHYSICAL PHENOMENA
ELECTROMAGNETIC ABSORPTION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
UF INFRARED ABSORPTION
UF LIGHT ABSORPTION
ELECTROMETALLURGICAL PRODUCTS MILLS
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT FERROALLOY PRODUCTION-E
NT MANGANESE PRODUCTION
NT MOLYBDENUM SILICON PRODUCTION-E
NT NONFERROUS ADDITION ALLOY PRODUCTION
NT STEEL PRODUCTION-E
UF SIC 3313
ELECTRONIC EQUIPMENT PLANTS
USE ELECTRICAL AND ELECTRONIC EQUIPMENT
PLANTS
ELECTRON MICROSCOPY
S TERM ADDED JUL Y 1969
RT MICROSCOPY
ELECTRONOGRAPHY
S TERM ADDED SEPTEMBER 1974
RT RECORDING METHODS
ELECTROPLATING
USE PLATING AND POLISHING '
ELECTROSTATIC
S SUPERSEDED TERM
USE ELECTROSTATIC COUNTERS
ELECTROSTATIC AEROSOL GENERATORS
USE ELECTROSTATIC ATOMIZATION
ELECTROSTATIC ATOMIZATION
BT AEROSOL ATOMIZATION
BT AEROSOL FORMATION
BT AEROSOL PHENOMENA
BT LIQUID ATOMIZATION
UF ELECTROSTATIC AEROSOL GENERATORS
ELECTROSTATIC CLASSIFIERS
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SIZE CLASSIFICATION
ELECTROSTATIC COUNTERS
BT PARTICLE COUNTING
BT PARTICLE INVESTIGATION METHODS
UF ELECTROSTATIC
ELECTROSTATIC FILTERS
USE ELECTROSTATIC PRECIPITATORS
ELECTROSTATIC METHODS
S TERM ADDED SEPTEMBER 1974
BT MEASUREMENT METHODS
ELECTROSTATIC PRECIPITATORS
BT CONTROL EQUIPMENT-GAS STREAMS
UF COTTRELL PRECIPITATORS
UF ELECTRICAL PRECIPITATORS
UF ELECTROFILTERS
UF ELECTROSTATIC FILTERS
UF PRECIPITATORS (ELECTROSTATIC)
ELECTROSTATIC SEPARATION (COAL)
S TERM ADDED SEPTEMBER 1974
BT COAL PREPARATION
BT CONTROL METHODS
BT FUEL TREATMENT
ELECTROSTATIC SEPARATION (PARTICLE)
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SEPARATION
ELEVATION
USE ALTITUDE
ELEVATORS (GRAIN)
USE GRAIN PROCESSING
ELM TREES
S TERM ADDED SEPTEMBER 1974
BT DECIDUOUS TREES
BT PLANTS (BOTANY)
BT TREES
ELUTRIATION (COAL)
BT COAL PREPARATION
1-41
-------
ELUTRIATION
THESAURUS
ELUTRIATION (COAL)—Continued
BT CONTROL METHODS
BT FUEL TREATMENT
RT ELUTRIATION
ELUTRIATION
RT ELUTRIATION (COAL)
RT ELUTRIATION PHENOMENA
ELUTRIATION PHENOMENA
BT CHEMICAL AND PHYSICAL PHENOMENA
RT ELUTRIATION
EMERGENCIES
S TERM ADDED SEPTEMBER 1974
RT AIR POLLUTION EPISODES
EMISSION
S SUPERSEDED TERM
USE EMISSION STANDARDS
EMISSION FACTORS
S TERM ADDED SEPTEMBER 1974
RT MATERIAL BALANCE
EMISSION INVENTORIES
RT SOURCES
UF INVENTORIES (EMISSION)
EMISSIONS (ENGINE)
USE ENGINE EMISSIONS
EMISSION SOURCES (FUEL COMPOSITION)
S CA TEGORY FOR APTIC NUMBERS ABOVE 100031
BT EMISSION SOURCES
EMISSION SOURCES (MOBILE)
S CATEGORY FOR APTIC NUMBERS ABOVE 100031
BT EMISSION SOURCES
EMISSION SOURCES (STATIONARY)
S CA TEGORY FOR APTIC NUMBERS ABOVE 100031
BT EMISSION SOURCES
EMISSION SOURCES
S CATEGORY
NT EMISSION SOURCES (FUEL COMPOSITION)
NT EMISSION SOURCES (MOBILE)
NT EMISSION SOURCES (STATIONARY)
UF C/A-EMISSION SOURCES
UF C/S-EMISSION SOURCES
EMISSION SPECTROMETRY
S TERM ADDED SEPTEMBER 1974
BT ANALYTICAL METHODS
BT SPECTROMETRY
EMISSION STANDARDS
S TERM ADDED SEPTEMBER 1974
BT PERFORMANCE STANDARDS
BT STANDARDS
NT HAZARDOUS AIR POLLUTANT STANDARDS
UF EMISSION
EMISSIVITY
BT CHEMICAL AND PHYSICAL PHENOMENA
EMPHYSEMA
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
EMPLOYEES
USE PERSONNEL
EMULSIONS
BT CHEMICAL AND PHYSICAL PHENOMENA
BT DISPERSIONS
BT PHYSICAL STATES
ENAMELS
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
BT SURFACE COATINGS
ENCAPSULATION
BT CHEMICAL AND PHYSICAL PHENOMENA
ENDIVES
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
ENERGY SOURCES
USE POWER SOURCES
ENFORCEMENT PROCEDURES
RT LEGAL ASPECTS
UF LAW ENFORCEMENT
UF PENALTIES
ENGINE DESIGN MODIFICATION
BT AUTOMOTIVE EMISSION CONTROL
BT CONTROL METHODS
ENGINE EMISSIONS
BT POLLUTANTS
NT CRANKCASE EMISSIONS
NT ENGINE EXHAUSTS
NT FUEL EVAPORATION
RT MOTOR VEHICLE SOURCES
RT VEHICULAR TRAFFIC
UF AUTOMOTIVE EMISSIONS
UF EMISSIONS (ENGINE)
ENGINEERS
BT PERSONNEL
ENGINE EXHAUSTS
BT ENGINE EMISSIONS
BT POLLUTANTS
UF AIRCRAFT EXHAUST
UF AUTOMOTIVE EXHAUSTS
UF DIESEL ENGINE EXHAUST
UF EXHAUST (ENGINE)
UF EXHAUST EMISSIONS (ENGINES)
UF JET ENGINE EXHAUST
UF JET EXHAUST
UF ROCKET EXHAUST
ENGINE OPERATING CYCLES
RT MOTOR VEHICLE SOURCES
RT OPERATING VARIABLES
UF ACCELERATION
UF DECELERATION (ENGINE)
UF DRIVING CYCLE
UF FEDERAL DRIVING CYCLES
I-42
-------
THESAURUS
EVAPORATION (FUEL)
ENGINE OPERATING CYCLES—Continued
UF FEDERAL TEST PROCEDURES (VEHICLES)
ENGINE OPERATION MODIFICATION
BT AUTOMOTIVE EMISSION CONTROL
BT CONTROL METHODS
NT AIR-FUEL RATIO
NT CARBURETION
NT SPARK TIMING
NT TIMED FUEL INJECTION
ENGINES
S TERM ADDED SEPTEMBER 1974
BT POWER SOURCES
BT SOURCES
NT EXTERNAL COMBUSTION ENGINES
NT GAS TURBINE ENGINES
NT INTERNAL COMBUSTION ENGINES
NT ROCKET ENGINES
NT STIRLING CYCLE ENGINES
RT COMBUSTION CHAMBERS
RT TEST ENGINES
UF AIRCRAFT ENGINES
UF AUTOMOBILE ENGINES
UF MOTOR VEHICLE ENGINES
ENGINE TESTING
USE TEST ENGINES
ENGLAND
USE GREAT BRITAIN
ENGLISH
S LANGUAGE
ENGRAVING SERVICES
USE COATING, ENGRAVING AND ALLIED SERVICES
ENTHALPY
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIES
BT THERMODYNAMIC PROPERTIES
RT FUEL HEAT CONTENT
ENTRAPMENT (PARTICLE)
USE PARTICLE ENTRAINMENT
ENTROPY
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIES
BT THERMODYNAMIC PROPERTIES
ENVIRONMENTAL IMPACT STATEMENTS
USE IMPACT STATEMENTS
ENVIRONMENTAL LEGISLATION
USE LEGISLATION
ENZYMES
BT BIOLOGICAL CONSTITUENTS AND PARTS
RT DIGESTION
EPIDEMIOLOGY
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
RT HEALTH STATISTICS
RT HUMANS
EPIPHYTES
USE MOSSES
EPISODES (AIR POLLUTION)
USE AIR POLLUTION EPISODES
EPITHELIUM
BT BIOLOGICAL CONSTITUENTS AND PARTS
EQUIPMENT CRITERIA
BT CRITERIA
EQUIPMENT STANDARDS
BT STANDARDS
ERYSIPHACEAE
USE POWDERY MILDEWS (ERYSIPHACEAE)
ERYTHEMA
BT DISEASES AND DISORDERS
ERYTHROCYTES
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT BLOOD CELLS
BT CELLS (BIOLOGY)
UF RED BLOOD CELLS
ESOPHAGUS
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT DIGESTIVE SYSTEM
ESPERANTO
S LANGUAGE
ESTERS
RT CYANATES
RT ORGANIC ACIDS
UF OXALATES
ESTONIAN
S LANGUAGE
ETHENE
USE ETHYLENE
ETHERS
RT OXIDES
ETHNIC FACTORS
S TERM ADDED APRIL 1967
RT SOCIO-ECONOMIC FACTORS
ETHYL ALCOHOL
BT ALCOHOLS
ETHYLENE
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
BT OLEFINS
UF ETHENE
EUROPE
NT EASTERN EUROPE
NT WESTERN EUROPE
EVAPORATION (FUEL)
USE FUEL EVAPORATION
I-43
-------
EVAPORATION
THESAURUS
EVAPORATION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
RT DRYING
EVAPORATION CONTROL
USE CONTROL METHODS
EVAPORATORS
BT SOURCES
BT STATIONARY EMISSION SOURCES
EXCELSIOR MANUFACTURING
USE LUMBER AND WOOD PRODUCTS INDUSTRY
EXCESS AIR
BT COMBUSTION AIR
BT CONTROL METHODS
BT FIRING METHODS
BT PROCESS MODIFICATION
EXCRETIONS
BT BIOLOGICAL CONSTITUENTS AND PARTS
NT FECES
NT URINE
RT BODY FLUIDS
UF HUMAN WASTES
EXERCISE
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL PROCESSES AND FUNCTIONS
EXHAUST (ENGINE)
USE ENGINE EXHAUSTS
EXHAUST AFTERBURNERS
USE INCINERATORS (WASTE GASES)
EXHAUST EMISSIONS (ENGINES)
USE ENGINE EXHAUSTS
EXHAUST GASES
USE WASTE GASES
EXHAUST RECIRCULATION SYSTEMS
USE RECIRCULATION
EXHAUST SYSTEMS
BT CONTROL EQUIPMENT-GAS STREAMS
NT FANS (BLOWERS)
RT VENTILATION
EXPENSES
USE COSTS
EXPERIMENTAL ANIMALS
USE LABORATORY ANIMALS
EXPERIMENTAL EQUIPMENT
RT COMMERCIAL EQUIPMENT
RT TESTING FACILITIES
EXPERIMENTAL METHODS
RT RESEARCH METHODOLOGIES
UF TEST METHODS
EXPLOSIONS
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT NUCLEAR EXPLOSIONS
UF BLASTS
EXPLOSIVES PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT TNT PRODUCTION
UF SIC 2892
EXPOSURE CHAMBERS
BT TESTING FACILITIES
RT BREATHING APPARATUS
RT PLETHYSMOGRAPHY
EXPOSURE METHODS
RT RESEARCH METHODOLOGIES
RT CONTROLLED ATMOSPHERES
RT FUMIGATION
RT RESEARCH METHODOLOGIES
RT TESTING FACILITIES
EXPRESSWAYS
USE LIMITED ACCESS ROADS
EXTERNAL COMBUSTION ENGINES
S TERM ADDED SEPTEMBER 1974
BT ENGINES
BT POWER SOURCES
BT SOURCES
NT RANKINE CYCLE ENGINES
EYE IRRITATION
BT DISEASES AND DISORDERS
EYES
BT BIOLOGICAL CONSTITUENTS AND PARTS
FABRIC FILTERS
S TERM ADDED SEPTEMBER 1974
BT CONTROL EQUIPMENT-GAS STREAMS
BT FILTERS
NT BAG FILTERS
UF CLOTH COLLECTORS
FACTORIES
USE MANUFACTURING INDUSTRIES
FADING
BT MATERIALS
BT MATERIALS DETERIORATION
FALLOUT
BT CHEMICAL AND PHYSICAL PHENOMENA
BT RADIOACTIVE RADIATION
UF RADIOACTIVE FALLOUT
FANNING
BT ATMOSPHERIC PHENOMENA
BT DISPERSION
BT PLUME BEHAVIOR
FANS (BLOWERS)
BT CONTROL EQUIPMENT-GAS STREAMS
BT EXHAUST SYSTEMS
UF BLOWERS
I-44
-------
THESAURUS
FERROCHROMIUM PRODUCTION
FARMERS LUNG
S TERM ADDED JUL Y 1967
BT DISEASES AND DISORDERS
BT PNEUMOCONIOSIS
BT RESPIRATORY DISEASES
FARMING (INDUSTRY)
USE AGRICULTURE INDUSTRY
FARMS
BT NON-METROPOLITAN AREAS
RT ANIMALS (NON-HUMAN)
FAROESE
S LANGUAGE
FAT AND OIL PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT RENDERING PLANTS, GREASE AND TALLOW
UF OIL PRODUCTION (FOOD)
UF PEANUT PROCESSING
UF SIC 207
FATS RENDERING
USE RENDERING PLANTS, GREASE AND TALLOW
FAUNA
USE ANIMALS (NON-HUMAN)
FEASIBILITY STUDIES
RT PLANS AND PROGRAMS
FECES
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT EXCRETIONS
FEDERAL
S METHOD OF SUPPORT FOR APTIC NO 0 100032
FEDERAL DRIVING CYCLES
USE ENGINE OPERATING CYCLES
FEDERAL GOVERNMENTS
USE NATIONAL GOVERNMENTS
FEDERAL TEST PROCEDURES (VEHICLES)
USE ENGINE OPERATING CYCLES
FEEDLOTS
BT AGRICULTURE INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT SLAUGHTERING PLANTS
UF CATTLE FEED LOTS
UF STOCKYARDS (FATTENING)
FEED PROCESSING
S TERM ADDED SEPTEMBER 1974
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT GRAIN PROCESSING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF ALFALFA DEHYDRATING
UF SIC 2048
FEES
RT COSTS
RT ECONOMICS
FELL GRT
S METHOD OF SUPPORT FOR APTIC NO 0 100032
FEMALES
BT ANIMALS
FERMENTATION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
FERNS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
FERROALLOY PRODUCTION-BF
S PRODUCTION IN BLAST FURNACES
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT BLAST FURNACES
BT BLAST FURNACES AND STEEL MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
FERROALLOY PRODUCTION-E
S BY ELECTROMETALLURGICAL PROCESSES
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT ELECTROMETALLURGICAL PRODUCTS MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT FERROCHROMIUM PRODUCTION
NT FERROMANGANESE PRODUCTION-E
NT FERROMOLYBDENUM PRODUCTION
NT FERROPHOSPHORUS PRODUCTION
NT FERROSILICON PRODUCTION-E
NT FERROTITANIUM PRODUCTION
NT FERROTUNGSTEN PRODUCTION
NT FERROVANADIUM PRODUCTION
FERROALLOYS
S TERM ADDED JUL Y 1969
BT MATERIALS
BT METALS
FERROCHROMIUM PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT ELECTROMETALLURGICAL PRODUCTS MILLS
BT FERROALLOY PRODUCTION-E
BT INDUSTRIAL EMISSION SOURCES
I-45
-------
FERROMANGANESE PRODUCTION-E
THESAURUS
FERROCHROMIUM PRODUCTION—Continued
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
FERROMANGANESE PRODUCTION-E
S BY ELECTROMETALLURGICAL PROCESSES
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT ELECTROMETALLURGICAL PRODUCTS MILLS
BT FERROALLOY PRODUCTION-E
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
FERROMOLYBDENUM PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT ELECTROMETALLURGICAL PRODUCTS MILLS
BT FERROALLOY PRODUCTION-E
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
FERROPHOSPHORUS PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT ELECTROMETALLURGICAL PRODUCTS MILLS
BT FERROALLOY PRODUCTION-E
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
FERROSILICON PRODUCTION-E
S BY ELECTROMETALLURGICAL PROCESSES
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT ELECTROMETALLURGICAL PRODUCTS MILLS
BT FERROALLOY PRODUCTION-E
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
FERROTITANIUM PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT ELECTROMETALLURGICAL PRODUCTS MILLS
BT FERROALLOY PRODUCTION-E
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
FERROTUNGSTEN PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT ELECTROMETALLURGICAL PRODUCTS MILLS
BT FERROALLOY PRODUCTION-E
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
FERROVANADIUM PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT ELECTROMETALLURGICAL PRODUCTS MILLS
BT FERROALLOY PRODUCTION-E
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT , STATIONARY EMISSION SOURCES
FERTILIZER APPLICATION
BT AGRICULTURAL SERVICES
BT AGRICULTURE INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF FERTILIZING
FERTILIZER MANUFACTURING
USE AGRICULTURAL CHEMICAL PLANTS
FERTILIZING
USE FERTILIZER APPLICATION
FIBER BOARD MANUFACTURING
USE BUILDING PAPER AND BOARD MILLS
FIBER FILTERS
S TERM ADDED SEPTEMBER 1974
BT CONTROL EQUIPMENT-GAS STREAMS
BT FILTERS
FIBER FILTRATION
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SEPARATION
FIBERGLASS FABRICS
USE GLASS FABRICS
FIBER GLASS PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT GLASS MANUFACTURING AND PROCESSING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
BT STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
FIBERGLASS REINFORCED PLASTICS
S TERM ADDED SEPTEMBER 1974
I-46
-------
THESAURUS
FISSION POWER
FIBERGLASS REINFORCED PLASTICS—Continued
BT
BT
MATERIALS
PLASTICS
FIBERS (SYNTHETIC)
USE SYNTHETIC FIBERS
FIBERS (TEXTILE)
USE TEXTILES
FIELD LABORATORIES
USE LABORATORY FACILITIES
FIELD OPERATIONS
S TERM ADDED SEPTEMBER 1974
RT FIELD TESTS
FIELD TESTS
RT SOURCE MONITORING
RT FIELD OPERATIONS
RT IN SITU
RT TESTING FACILITIES
FILTER FABRICS
BT CONTROL EQUIPMENT-GAS STREAMS
BT FILTERS
NT GLASS FABRICS
NT TREATED FABRICS
RT TEXTILES
FILTER PAPER
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
BT PAPER
FILTERS
BT CONTROL EQUIPMENT-GAS STREAMS
NT CERAMIC AND METAL-CERAMIC FILTERS
NT FABRIC FILTERS
NT FIBER FILTERS
NT FILTER FABRICS
NT FOAM POLYMER FILTERS
NT HEPA FILTERS
NT SCREEN FILTERS
NT VISCOUS FILTERS
UF DUST FILTERS
UF FILTRATION (GASEOUS)
UF GAS FILTERS
FILTRATION (GASEOUS)
USE FILTERS
FINANCIAL INCENTIVES
USE INCENTIVES
FINANCING
S TERM ADDED SEPTEMBER 1974
BT ECONOMICS
FINENESS MODULUS
USE PARTICLE SIZE DISTRIBUTION
FINLAND
BT EUROPE
BT SCANDINAVIA
BT WESTERN EUROPE
FINNISH
S LANGUAGE
FIREBOXES
USE COMBUSTION CHAMBERS
FIRES (BURNING)
USE BURNING
FIRES (FOREST)
USE FOREST FIRES
FIRES (STRUCTURE)
USE STRUCTURE FIRES
FIRING METHODS
BT CONTROL METHODS
BT PROCESS MODIFICATION
NT AIR PREHEAT
NT COMBUSTION AIR
NT FUEL CHARGING
NT FUEL PREHEAT
NT FUEL SUBSTITUTION
UF COMBUSTION MODIFICATION
FIR TREES
S TERM ADDED SEPTEMBER 1974
BT CONIFERS
BT PLANTS (BOTANY)
BT TREES
FISH
S
BT
BT
BT
TERM ADDED SEPTEMBER 1974
ANIMALS
ANIMALS (NON-HUMAN)
AQUATIC ANIMALS
FISH AND SEAFOOD PREPARATION
S TERM ADDED SEPTEMBER 1974
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SEAFOOD PREPARATION
FISH FLOUR PRODUCTION
USE FISH MEAL PRODUCTION
FISH MEAL PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT FAT AND OIL PRODUCTION
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT RENDERING PLANTS, GREASE AND TALLOW
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF FISH FLOUR PRODUCTION
UF FISH PROTEIN CONCENTRATE PRODUCTION
FISH PROTEIN CONCENTRATE PRODUCTION
USE FISH MEAL PRODUCTION
FISSION POWER
S TERM ADDED SEPTEMBER 1974
BT NUCLEAR POWER
BT POWER SOURCES
147
-------
FIXED ROOF TANKS
THESAURUS
FISSION POWER—Continued
BT SOURCES
FIXED ROOF TANKS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT POL STORAGE
BT SOURCES
BT STATIONARY EMISSION SOURCES
BT STORAGE FACILITIES (BULK LIQUID)
FIXED THROAT VENTURI SCRUBBERS
S TERM ADDED SEPTEMBER 1974
BT CONTROL EQUIPMENT-GAS STREAMS
BT SCRUBBERS
BT VENTURI SCRUBBERS
FLAME
S SUPERSEDED TERM
USE FLAME AFTERBURNERS
FLAME AFTERBURNERS
BT CONTROL EQUIPMENT-GAS STREAMS
BT INCINERATORS (WASTE GASES)
RT FLARES
UF FLAME
FLAME IONIZATION (HC)
S FOR HYDROCARBONS
S TERM ADDED SEPTEMBER 1974
BT ANALYTICAL METHODS
BT CHROMATOGRAPHY
FLAME IONIZATION DETECTOR (CO)
S FOR CARBON MONOXIDE
BT ANALYTICAL METHODS
BT CHROMATOGRAPHY
BT GAS CHROMATOGRAPHY
FLAME PHOTOMETRY
S TERM ADDED SEPTEMBER 1974
BT ANALYTICAL METHODS
BT CHROMATOGRAPHY
BT GAS CHROMATOGRAPHY
RT PHOTOMETRIC METHODS
FLAMES
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
BT COMBUSTION
FLARES
BT CONTROL EQUIPMENT-GAS STREAMS
RT FLAME AFTERBURNERS
UF WASTE GAS FLARES
FLAX
S TERM ADDED APRIL
BT CROPS
BT PLANTS (BOTANY)
FLD
USE ORIGINAL (FIELD)
FLEMISH
S LANGUAGE
1967
FLEXIBLE PAVING
USE ASPHALT PAVING
FLEXOMETERS
RT TENSILE STRENGTH
FLIES
BT ANIMALS
BT ANIMALS (NON-HUMAN)
BT INVERTEBRATES
UF DIPTERA
FLOATING ROOF TANKS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT POL STORAGE
BT SOURCES
BT STATIONARY EMISSION SOURCES
BT STORAGE FACILITIES (BULK LIQUID)
FLORA
USE PLANTS (BOTANY)
FLORIDA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
FLOUR PROCESSING
S TERM ADDED SEPTEMBER 1974
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT GRAIN PROCESSING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 2041
FLOWERS
BT PLANTS (BOTANY)
NT BEGONIA
NT CARNATION
NT CHRYSANTHEMUM
NT COLEUS
NT GERANIUM
NT GLADIOLUS
NT HYACINTH
NT IRIS
NT IVY
NT KALANCHOE
NT LAUREL
NT LILY
NT NARCISSUS
NT ORCHID
NT PETUNIA
NT POINSETTIA
NT ROSE
NT SNAPDRAGON
NT SUNFLOWER
NT SWEET PEA
NT TULIP
NT VIOLET
FLOWMETERS
RT FLOW RATES
RT FLUID FLOW
FLOW RATES
BT CHEMICAL AND PHYSICAL PHENOMENA
I-48
-------
THESAURUS
FOREST FIRES
FLOW RATES—Continued
BT FLUID FLOW
RT FLOWMETERS
RT THROUGHPUT
FLOW RESISTANCE
USE VISCOSITY
FLOW VISUALIZATION
S TERM ADDED SEPTEMBER 1974
RT TRACERS
FLUE GASES
USE STACK GASES
FLUID FLOW
BT CHEMICAL AND PHYSICAL PHENOMENA
NT BOUNDARY LAYER
NT FLOW RATES
RT FLOWMETERS
UF DIPPING
FLUIDITY
USE VISCOSITY
FLUIDIZED BED PROCESSING
S TERM ADDED SEPTEMBER 1974
RT FLUIDIZED BED SCRUBBERS
FLUIDIZED BED SCRUBBERS
S TERM ADDED SEPTEMBER 1974
BT CONTROL EQUIPMENT-GAS STREAMS
BT SCRUBBERS
RT FLUIDIZED BED PROCESSING
FLUORANTHENES
BT HYDROCARBONS
BT POLYNUCLEAR COMPOUNDS
FLUORENES
BT HYDROCARBONS
BT POLYNUCLEAR COMPOUNDS
FLUORESCENCE
BT CHEMICAL AND PHYSICAL PHENOMENA
FLUORIDES
BT FLUORINE COMPOUNDS
FLUORINATED HYDROCARBONS
BT HALOGENATED HYDROCARBONS
FLUORINE
BT HALOGEN GASES
FLUORINE COMPOUNDS
NT FLUORIDES
RT HYDROFLUORIC ACID
FLUOROSIS
BT DISEASES AND DISORDERS
RT BONES
FLUX FORCE/CONDENSATION SCRUBBERS
USE SCRUBBERS
FLY ASH
BT PARTICULATES
BT POLLUTANTS
BT SUSPENDED PARTICULATES
RT COMBUSTION PRODUCTS
FLYWHEEL POWER
S TERM ADDED SEPTEMBER 1974
BT POWER SOURCES
BT SOURCES
FOAM POLYMER FILTERS
S TERM ADDED SEPTEMBER 1974
BT CONTROL EQUIPMENT-GAS STREAMS
BT FILTERS
FOAM SEPARATION
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SEPARATION
FOG
BT ATMOSPHERIC PHENOMENA
BT CONDENSATION (ATMOSPHERIC)
BT METEOROLOGY
FOLIAGE
USE LEAVES
FOOD
NT MILK
UF FOODS
UF SUBSISTENCE (FOOD)
FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
, BT SOURCES
BT STATIONARY EMISSION SOURCES
NT BAKERIES
NT BEVERAGE INDUSTRY
NT CANNING
NT COFFEE ROASTING
NT DAIRY PRODUCTS INDUSTRY
NT FAT AND OIL PRODUCTION
NT FISH AND SEAFOOD PREPARATION
NT GRAIN PROCESSING
NT MEAT PRODUCTS INDUSTRY
NT SUGAR AND CONFECTIONARY PRODUCTS
INDUSTRY
RT COOKING (RETAIL)
UF SIC 20
FOODS
S SUPERSEDED TERM
USE FOOD
FORECASTING (AIR POLLUTION)
USE AIR POLLUTION FORECASTING
FORECASTING (WEATHER)
USE WEATHER FORECASTING
FOREST FIRES
S TERM ADDED SEPTEMBER 1974
BT NATURAL EMISSION SOURCES
BT NON-INDUSTRIAL EMISSION SOURCES
(STATIONARY)
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF FIRES (FOREST)
UF FOREST WILDFIRES
I-49
-------
FOREST PRODUCTS INDUSTRY
THESAURUS
FOREST FIRES—Continued
UF WILDFIRES
FOREST PRODUCTS INDUSTRY
USE LUMBER AND WOOD PRODUCTS INDUSTRY
FORESTRY BURNING
S TERM ADDED SEPTEMBER 1974
BT BURNING
BT SOURCES
BT STATIONARY EMISSION SOURCES
FORESTS
BT TOPOGRAPHIC LOCATIONS
RT TREES
UF WOODLANDS
FOREST WILDFIRES
USE FOREST FIRES
FORMALDEHYDES
BT ALDEHYDES
UF FORMALIN
FORMALIN
USE FORMALDEHYDES
FORMIC ACID
BT ACIDS
BT ORGANIC ACIDS
FOUNDRIES (BRASS, BRONZE, AND COPPER)
USE BRASS, BRONZE, AND COPPER FOUNDRIES
FOUNDRIES (GRAY IRON)
USE GRAY IRON FOUNDRIES
FOUNDRIES (IRON AND STEEL)
USE IRON AND STEEL FOUNDRIES
FOUNDRIES (MALLEABLE IRON)
USE MALLEABLE IRON FOUNDRIES
FOUNDRIES (NONFERROUS)
USE NONFERROUS FOUNDRIES
FOUNDRIES (STEEL INVESTMENT)
USE STEEL INVESTMENT FOUNDRIES
FOWL
USE BIRDS
FRACTIONATION
BT CHEMICAL AND PHYSICAL PHENOMENA
RT DISTILLATION
FRANCE
S TERM ADDED APRIL 1967
BT EUROPE
BT WESTERN EUROPE
NT PARIS
FREE ENERGY
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIES
BT THERMODYNAMIC PROPERTIES
FREE RADICALS
BT CHEMICAL AND PHYSICAL PHENOMENA
FREEZING
BT CHEMICAL AND PHYSICAL PHENOMENA
BT COOLING
BT HEAT TRANSFER
RT CONDENSATION
RT ICE
FRENCH
S LANGUAGE
UF FRENCH AND FLEMISH
FRENCH AND FLEMISH
S SUPERSEDED LANGUAGE TERM
USE FRENCH
FREON
USE HALOGENATED HYDROCARBONS
FRIT
USE CERAMICS
FRIT MANUFACTURING
USE CHEMICALS AND ALLIED MANUFACTURING
FRONDS
USE LEAVES
FROTH FLOATATION
BT COAL PREPARATION
BT CONTROL METHODS
BT FUEL TREATMENT
FRUITS
BT PLANTS (BOTANY)
NT APPLES
NT APRICOTS
NT AVOCADOS
NT BANANAS
NT BLUEBERRIES
NT CANTALOUPES
NT CHERRIES
NT CITRUS
NT COFFEE
NT CRANBERRIES
NT GRAPES
NT LOQUATS
NT MANGOES
NT MULBERRIES
NT PEACHES
NT PEARS
NT PINEAPPLES
NT PLUMS
NT PUMPKINS
NT RASPBERRIES
NT STRAWBERRIES
NT WATERMELONS
RT ORCHARDS
RT TOMATOES
FUEL ADDITIVES
BT CONTROL METHODS
RT LEADED GASOLINES
RT TETRAETHYL LEAD
RT TETRAMETHYL LEAD
UF ADDITIVES (FUEL)
UF ANTIKNOCK ADDITIVES
UF GASOLINE ADDITIVES
I-50
-------
THESAURUS
FUELS
FUEL-AIR RATIO
USE AIR-FUEL RATIO
FUEL ASH CONTENT
S TERM ADDED SEPTEMBER 1974
BT FUEL CHARACTERISTICS
BT SOURCES
BT STATIONARY EMISSION SOURCES
FUEL CELLS
BT ELECTRIC POWER SOURCES
BT POWER SOURCES
BT SOURCES
FUEL CHARACTERISTICS
S TERM ADDED SEPTEMBER 1974
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT FUEL ASH CONTENT
NT FUEL HEAT CONTENT
NT FUEL SULFUR CONTENT
UF COAL CHARACTERISTICS
FUEL CHARGING
BT CONTROL METHODS
BT FIRING METHODS
BT PROCESS MODIFICATION
NT OVERFEED METHODS
NT STOKERS
NT TRAVELING GRATES
NT UNDERFEED METHODS
UF CHARGING (FUEL)
FUEL COMBUSTION
USE COMBUSTION
FUEL CONSUMPTION
USE FUEL USAGE
FUEL CRITERIA
BT CRITERIA
FUEL ECONOMY
USE FUEL USAGE
FUEL EVAPORATION
BT ENGINE EMISSIONS
BT POLLUTANTS
NT CARBURETOR EVAPORATION LOSSES
NT FUEL TANK EVAPORATION
UF EVAPORATION (FUEL)
UF GASOLINE EVAPORATION
FUEL GASES
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT LIQUEFIED PETROLEUM GAS (LPG)
NT NATURAL GAS
NT PROCESS GAS
NT SYNTHETIC NATURAL GAS (SNG)
UF COAL GAS
UF GAS FUELS
UF MANUFACTURED GAS
FUEL HEAT CONTENT
S TERM ADDED SEPTEMBER 1974
BT FUEL CHARACTERISTICS
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT ENTHALPY
UF HEAT CONTENT (FUELS)
FUEL OIL DEALERS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT RETAIL TRADE
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT PETROLEUM DISTRIBUTION
UF SIC 5983
FUEL OIL PREPARATION
BT CONTROL METHODS
BT FUEL TREATMENT
NT BLENDING
NT HYDRODESULFURIZATION
FUEL OILS
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT CRUDE OIL
NT DISTILLATE OILS
NT RESIDUAL OILS
NT SHALE OIL
RT OIL BURNERS
UF HEATING OILS
UF OILS (FUEL)
FUEL PREHEAT
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT FIRING METHODS
BT PROCESS MODIFICATION
UF PREHEAT (FUEL)
FUEL RESOURCES
S TERM ADDED SEPTEMBER 1974
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT AVAILABILITY
UF COAL RESOURCES
UF OIL RESOURCES
UF RESOURCES (FUEL)
FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT AUXILIARY FUELS
NT BAGASSE
NT COAL
NT COKE
NT DIESEL FUELS
NT FUEL GASES
NT FUEL OILS
NT GASOLINES
NT KEROSENE
NT LIGNITE
NT PEAT
NT PULVERIZED FUELS
NT SOLID WASTE FUELS
NT WOOD FUELS
RT COMBUSTION
UF AIRCRAFT FUELS
UF AUTOMOBILE FUELS
UF AUTOMOTIVE FUELS
1-51
-------
FUEL STANDARDS
THESAURUS
FUELS—Continued
UF HEATING FUELS
FUEL STANDARDS
BT STANDARDS
FUEL SUBSTITUTION
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT FIRING METHODS
BT PROCESS MODIFICATION
UF SUBSTITUTION (FUEL)
FUEL SULFUR CONTENT
S TERM ADDED SEPTEMBER 1974
BT FUEL CHARACTERISTICS
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF HIGH SULFUR FUELS
UF LOW SULFUR FUELS
UF SULFUR CONTENT (FUEL)
FUEL TANK EVAPORATION
BT ENGINE EMISSIONS
BT FUEL EVAPORATION
BT POLLUTANTS
FUEL TREATMENT
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
NT COAL CONVERSION
NT COAL PREPARATION
NT FUEL OIL PREPARATION
NT NATURAL GAS SWEETENING
NT SYNTHESIS GAS CLEANING
UF DESULFURIZATION OF FUELS
FUEL USAGE
S TERM ADDED SEPTEMBER 1974
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF FUEL CONSUMPTION
UF FUEL ECONOMY
FUGITIVE DUST SOURCES
S TERM ADDED SEPTEMBER 1974
BT SOURCES
BT STATIONARY EMISSION SOURCES
FUMES
BT PARTICULATES
BT POLLUTANTS
BT SUSPENDED PARTICULATES
FUMIGATION
BT ATMOSPHERIC PHENOMENA
BT DISPERSION
BT PLUME BEHAVIOR
RT EXPOSURE METHODS
FUNDING
USE BUDGETING
FUNGAL EFFECTS
S TERM ADDED SEPTEMBER 1974
NT POWDERY MILDEWS (ERYSIPHACEAE)
NT RUSTS (UREDINALES)
FUNGI
BT MICROORGANISMS
UF MILDEW
UF MOLDS (ORGANISMS)
UF YEASTS
FUNGICIDES
USE PESTICIDES
FURNACE BLACK
USE CARBON BLACK
FURNACE CUPOLAS
USE CUPOLAS
FURNACES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT BASIC OXYGEN FURNACES
NT BESSEMER CONVERTERS
NT CUPOLAS
NT CYCLONE FURNACES
NT ELECTRIC FURNACES
NT OIL BURNERS
NT OPEN HEARTH FURNACES
RT BOILERS
RT COMBUSTION
RT DOMESTIC HEATING
RT KILNS
RT METAL INDUSTRIES
FURNITURE INDUSTRY
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 25
FUSION POWER
S TERM ADDED SEPTEMBER 1974
BT NUCLEAR POWER
BT POWER SOURCES
BT SOURCES
UF NUCLEAR FUSION POWER
GAELIC
S LANGUAGE
GALVANIZING
USE METAL FABRICATION
GAMMA RADIATION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT RADIOACTIVE RADIATION
GARAGES
S TERM ADDED SEPTEMBER 1974
BT BUILDINGS
BT STRUCTURES
GARBAGE DISPOSAL
USE REFUSE SYSTEMS
GAS
S
USE
SUPERSEDED TERM
GAS CHROMATOGRAPHY
I-52
-------
THESAURUS
GENERAL AND MISCELLANEOUS
GAS ANALYSIS METHODS
USE ANALYTICAL METHODS
GAS CENTRIFUGATION
S TERM ADDED SEPTEMBER 1974
BT CENTRIFUGATION
BT CHEMICAL AND PHYSICAL PHENOMENA
GAS CHROMATOGRAPHY
BT ANALYTICAL METHODS
BT CHROMATOGRAPHY
NT FLAME IONIZATION DETECTOR (CO)
NT FLAME PHOTOMETRY
UF GAS
UF GAS LIQUID CHROMATOGRAPHY
GAS CLEANING
USE CONTROL EQUIPMENT-GAS STREAMS
GASEOUS WASTES
USE WASTE GASES
GASES
BT CHEMICAL AND PHYSICAL PHENOMENA
BT PHYSICAL STATES
NT COMPRESSED GASES
NT STANDARD GASES
RT NITROGEN
RT OXYGEN
GAS FILTERS
USE FILTERS
GAS FUELS
USE FUEL GASES
GASIFICATION
BT COAL CONVERSION
BT CONTROL METHODS
BT FUEL TREATMENT
RT IN SITU
UF COAL GASIFICATION
GAS LIQUID CHROMATOGRAPHY
USE GAS CHROMATOGRAPHY
GAS MASKS
USE PROTECTIVE MASKS
GASOLINE ADDITIVES
USE FUEL ADDITIVES
GASOLINE EVAPORATION
USE FUEL EVAPORATION
GASOLINES
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT
NT
LEADED GASOLINES
UNLEADED GASOLINES
GASOLINE SERVICE STATIONS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT RETAIL TRADE
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT PETROLEUM DISTRIBUTION
UF SERVICE STATIONS (GASOLINE)
UF SIC 554
GAS PHASE MECHANICS
S TERM ADDED SEPTEMBER 1974
BT AEROSOL MECHANICS
BT AEROSOL PHENOMENA
BT PARTICULATE PROPERTIES
GAS PIPELINES
USE PIPELINES
GAS PRODUCTION AND DISTRIBUTION
S TERM ADDED SEPTEMBER 1974
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 492
GAS SAMPLING
BT SAMPLING METHODS
NT TRAPPING (SAMPLING)
GAS SCRUBBING (WASTE GAS)
USE SCRUBBERS
GAS-SOLID EQUILIBRIA
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
GAS TURBINE ENGINES
BT ENGINES
BT POWER SOURCES
BT SOURCES
NT TURBOFAN ENGINES
NT TURBOJET ENGINES
UF TURBINE
GAS WASHERS (WASTE GAS SCRUBBERS)
USE SCRUBBERS
GAUSSIAN PLUME MODELS
USE DIFFUSION MODELS
GEESE
S TERM ADDED SEPTEMBER 1974
BT ANIMALS
BT ANIMALS (NON-HUMAN)
BT BIRDS
GE LIQUID MEMBRANE PROCESS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
GEN
USE
REVIEWS (GENERAL)
GENERAL
S SUPERSEDED CATEGORY TERM
USE GENERAL AND MISCELLANEOUS
GENERAL AND MISCELLANEOUS
S CATEGORY
UF C/A-GENERAL
UF C/S-GENERAL
I-53
-------
GENETICS
THESAURUS
GENERAL AND MISCELLANEOUS—Continued
UF GENERAL
GENETICS
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
RT DEOXYRIBONUCLEIC ACID
RT REPRODUCTION (BIOLOGICAL)
GEORGIA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NT ATLANTA
GEORGIAN
S LANGUAGE
GEOTHERMAL POWER
S TERM ADDED SEPTEMBER 1974
BT POWER SOURCES
BT SOURCES
RT STEAM ELECTRIC POWER GENERATION
GERANIUM
S TERM ADDED SE
TEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
GERMAN
S LANGUAGE
GERMAN DEMOCRATIC REPUBLIC
S TERM ADDED SEPTEMBER 1974
BT EASTERN EUROPE
BT EUROPE
GERMANY
S SUPERSEDED TERM
USE GERMANY, FEDERAL REPUBLIC
GERMANY, FEDERAL REPUBLIC
BT EUROPE
BT WESTERN EUROPE
UF GERMANY
GERM CELLS
USE SPERMATOZOA
GERMS
USE MICROORGANISMS
GILSONITE
USE ASPHALT
GLADIOLI
USE GLADIOLUS
GLADIOLUS
BT FLOWERS
BT PLANTS (BOTANY)
UF GLADIOLI
GLANDS
BT BIOLOGICAL CONSTITUENTS AND PARTS
GLASS
S TERM ADDED JUL Y 1972
BT CONSTRUCTION MATERIALS
GLASS CLOTH
USE GLASS FABRICS
GLASS FABRICS
BT CONTROL EQUIPMENT-GAS STREAMS
BT FILTER FABRICS
BT FILTERS
UF FIBERGLASS FABRICS
UF GLASS CLOTH
UF GLASS TEXTILES
GLASS MANUFACTURING AND PROCESSING
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
BT STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
NT FIBER GLASS PRODUCTION
GLASS TEXTILES
USE GLASS FABRICS
GLOBAL
USE INTERNATIONAL
GLOS
USE GLOSSARIES
GLOSSARIES
S ATTRIBUTE FOR APTIC NUMBERS 0 100160
RT TERMINOLOGY
UF GLOS
GLOWING
USE LUMINESCENCE
GLUCOSES
S TERM ADDED SEPTEMBER 1974
BT BIOCHEMISTRY
BT BIOLOGICAL FACTORS
BT CARBOHYDRATES
NT CELLULOSE
UF DEXTROSE
GLUE MANUFACTURING
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
GLYCOSIDES
USE ANTHOCYANINS
GOATS
BT ANIMALS
BT ANIMALS (NON-HUMAN)
GOBPILE BURNING (COAL REFUSE)
BT BURNING
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT COAL
RT MINING
UF COAL REFUSE BURNING
I-54
-------
THESAURUS
GREASE RENDERING
GOBPILE BURNING (COAL REFUSE)—Continued
UF SPOIL BANK BURNING (COAL)
UF TAILINGS FIRES (COAL)
GOLD
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
BT METALS
GOLDENROD
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT WEEDS
GOVERNMENTAL PARTICIPATION (AIR POLLUTION
PROGRAMS)
S CA TEGORY FOR APTIC NUMBERS ABOVE 100031
BT GOVERNMENTAL PARTICIPATION
GOVERNMENTAL PARTICIPATION (LAWS AND
LITIGATION AND OTHER LEGAL)
USE GOVERNMENTAL PARTICIPATION (LEGAL, LAWS
AND LITIGATION)
GOVERNMENTAL PARTICIPATION (LEGAL, LAWS AND
LITIGATION)
S CA TEGORY FOR APTIC NUMBERS ABOVE 100031
BT GOVERNMENTAL PARTICIPATION
UF GOVERNMENTAL PARTICIPATION (LAWS AND
LITIGATION AND OTHER LEGAL)
GOVERNMENTAL PARTICIPATION
S CATEGORY
NT GOVERNMENTAL PARTICIPATION (AIR POLLUTION
PROGRAMS)
NT GOVERNMENTAL PARTICIPATION (LEGAL, LAWS
AND LITIGATION)
UF C/A-LEGAL AND ADMIN
UF C/S-LEGAL AND ADMIN
UF LEGAL AND ADMIN
GOVERNMENT FACILITIES
S TERM ADDED SEPTEMBER 1974
GOVERNMENTS
NT CITY GOVERNMENTS
NT COUNTY GOVERNMENTS
NT LOCAL GOVERNMENTS
NT NATIONAL GOVERNMENTS
NT REGIONAL GOVERNMENTS
NT STATE GOVERNMENTS
RT CONTROL AGENCIES
GRADERS
USE OFF-ROAD VEHICLES
GRAIN ELEVATORS
USE GRAIN PROCESSING
GRAIN PROCESSING
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT FEED PROCESSING
NT FLOUR PROCESSING
UF ELEVATORS (GRAIN)
UF GRAIN ELEVATORS
UF SIC 204
UF STARCH MANUFACTURING
GRAIN SORGHUM
USE SORGHUM
GRANTS
BT ADMINISTRATION
UF SUBSIDIES
GRAPEFRUITS
S TERM ADDED SEPTEMBER 1974
BT CITRUS
BT FRUITS
BT PLANTS (BOTANY)
GRAPES
BT FRUITS
BT PLANTS (BOTANY)
GRAPHITE
BT MATERIALS
BT MINERAL PRODUCTS
GRASSES
BT CROPS
BT PLANTS (BOTANY)
GRAVEL
USE SAND AND GRAVEL
GRAVIMETRIC METHODS
S TERM ADDED SEPTEMBER 1974
BT MEASUREMENT METHODS
RT WEIGHT
GRAVITATION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
GRAVITY COLLECTORS
S TERM ADDED SEPTEMBER 1974
BT COLLECTORS (MECHANICAL)
BT CONTROL EQUIPMENT-GAS STREAMS
NT BAFFLES
NT LOUVER SEPARATORS
NT SETTLING CHAMBERS
GRAVITY SETTLING (CONTROL)
BT CONTROL METHODS
BT SEDIMENTATION (CONTROL)
GRAY IRON FOUNDRIES
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT IRON AND STEEL FOUNDRIES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF FOUNDRIES (GRAY IRON)
UF SIC 3321
GREASE RENDERING
USE RENDERING PLANTS, GREASE AND TALLOW
I-55
-------
GREASES
THESAURUS
GREASES
USE LUBRICANTS
GREAT BRITAIN
BT EUROPE
BT UNITED KINGDOM
BT WESTERN EUROPE
NT BIRMINGHAM, ENGLAND
NT LONDON
UF ENGLAND
GREECE
S TERM ADDED SEPTEMBER 1974
BT EUROPE
BT WESTERN EUROPE
GREEK
S LANGUAGE
GREENBELTS
S TERM ADDED SEPTEMBER 1974
BT LANDSCAPE ARCHITECTURE
GREENHOUSE EFFECTS
S TERM ADDED SEPTEMBER 1974
BT ATMOSPHERIC PHENOMENA
GREENHOUSES
BT BUILDINGS
BT STRUCTURES
GREENLAND
S TERM ADDED SEPTEMBER 1974
BT EUROPE
BT WESTERN EUROPE
GRILLO PROCESS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
GRINDING
USE DISINTEGRATION
GRIT
USE DUSTS
GROUND LEVEL
BT ALTITUDE
BT ATMOSPHERIC PHENOMENA
GROWING
USE GROWTH
GROWTH (PARTICLE)
USE PARTICLE GROWTH
GROWTH
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL PROCESSES AND FUNCTIONS
RT CELL GROWTH
RT GROWTH RATE
RT PLANT GROWTH AND DEVELOPMENT
UF GROWING
GROWTH RATE
S TERM ADDED SEPTEMBER 1974
RT GROWTH
GROWTH REGULATORS
S TERM ADDED SEPTEMBER 1974
BT PLANT GROWTH AND DEVELOPMENT
NT AUXINS
GUINEA PIGS
BT ANIMALS
BT ANIMALS (NON-HUMAN)
GUJARATI
S LANGUAGE
GUN-TYPE OIL BURNERS
S TERM ADDED SEPTEMBER 1974
BT FURNACES
BT OIL BURNERS
BT SOURCES
BT STATIONARY EMISSION SOURCES
GUSTS
USE WINDS
GYPSUM
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
BT MINERAL PRODUCTS
GYPSUM PRODUCTS MANUFACTURING
USE STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
HAIL
S TERM ADDED SEPTEMBER 1974
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
BT PRECIPITATION
HAIR
S
BT
BT
TERM ADDED SEPTEMBER 1974
BIOLOGICAL CONSTITUENTS AND PARTS
INTEGUMENTARY SYSTEM
HALOCARBONS
USE HALOGENATED HYDROCARBONS
HALOGENATED HYDROCARBONS
NT BROMINATED HYDROCARBONS
NT CHLORINATED HYDROCARBONS
NT FLUORINATED HYDROCARBONS
NT IODINATED HYDROCARBONS
UF FREON
UF HALOCARBONS
UF HALOHYDROCARBONS
HALOGEN GASES
NT BROMINE
NT CHLORINE
NT FLUORINE
NT IODINE
HALOHYDROCARBONS
USE HALOGENATED HYDROCARBONS
HAMSTERS
S TERM ADDED APRIL 1967
BT ANIMALS
BT ANIMALS (NON-HUMAN)
I-56
-------
THESAURUS
HEAVY-DUTY VEHICLES
HANDBOOKS AND MANUALS
S ATTRIBUTE FOR APTIC NUMBERS 0 100160
UF MANL
UF MANUALS
\
HANDLING (MATERIALS)
USE MATERIALS HANDLING
HARBORS
BT BODIES OF WATER
BT TOPOGRAPHIC LOCATIONS
RT VESSELS (MARINE)
HARDWOOD TREES
USE DECIDUOUS TREES
HARES
USE RABBITS
HAULING (MATERIALS)
USE MATERIALS HANDLING
HAULING (TRANSPORTATION)
USE TRANSPORTATION METHODS
HAWAII
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
HAYFEVER
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
RT ALLERGIES
UF ALLERGIC RHINITIS
HAZARDOUS AIR POLLUTANT STANDARDS
S TERM ADDED SEPTEMBER 1974
BT EMISSION STANDARDS
BT PERFORMANCE STANDARDS
BT STANDARDS
HAZE
BT ATMOSPHERIC PHENOMENA
BT CONDENSATION (ATMOSPHERIC)
BT METEOROLOGY
RT COEFFICIENT OF HAZE
HCB
USE HEXACHLOROBENZENE
HEADACHE
BT DISEASES AND DISORDERS
UF MIGRAINE
HEALTH IMPAIRMENT
BT DISEASES AND DISORDERS
RT OCCUPATIONAL HEALTH
RT RADIOLOGICAL HEALTH
HEALTH STATISTICS
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
RT EPIDEMIOLOGY
RT STATISTICAL ANALYSES
HEALTH SURVEYS
S TERM ADDED SEPTEMBER 1974
BT ADMINISTRATION
BT PLANS AND PROGRAMS
RT QUESTIONNAIRES
UF SURVEYS (HEALTH)
HEARINGS
BT LEGAL ASPECTS
NT HOUSE HEARINGS
NT SENATE HEARINGS
HEART
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT CIRCULATORY SYSTEM
RT CARDIOVASCULAR DISEASES
HEAT CAPACITY
BT CHEMICAL AND PHYSICAL PROPERTIES
UF SPECIFIC HEAT
UF THERMAL CAPACITY
HEAT CONDUCTIVITY
USE THERMAL CONDUCTIVITY
HEAT CONTENT (FUELS)
USE FUEL HEAT CONTENT
HEAT EXCHANGE
USE HEAT TRANSFER
HEATING (DOMESTIC)
USE DOMESTIC HEATING
HEATING (RESIDENTIAL)
USE DOMESTIC HEATING
HEATING (SPACE)
USE SPACE HEATING
HEATING FUELS
USE FUELS
HEATING OILS
USE FUEL OILS
HEAT ISLANDS
S TERM ADDED SEPTEMBER 1974
BT ATMOSPHERIC PHENOMENA
UF URBAN HEAT ISLANDS
HEAT OF COMBUSTION
BT CHEMICAL AND PHYSICAL PROPERTIES
HEAT RADIATION
USE THERMAL RADIATION
HEAT TRANSFER
BT CHEMICAL AND PHYSICAL PHENOMENA
NT CONVECTION
NT COOLING
NT MELTING
RT TEMPERATURE
UF CURING
UF HEAT EXCHANGE
UF HEAT TREATING
HEAT TREATING
USE HEAT TRANSFER
HEAVY-DUTY VEHICLES
S TERM ADDED SEPTEMBER 1974
BT MOBILE EMISSION SOURCES
BT MOTOR VEHICLE SOURCES
I-57
-------
HEBREW
THESAURUS
HEAVY-DUTY VEHICLES—Continued
BT SOURCES
BT TRANSPORTATION METHODS
NT BUSES
NT TRUCKS
HEBREW
S LANGUAGE
UF ISRAELI
HEIGHT FINDING
RT ALTITUDE
RT PLUME HEIGHT
RT STACK HEIGHT
HEMATOLOGY
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
NT BLOOD CHEMISTRY
NT BLOOD GAS ANALYSIS
NT CARBOXYHEMOGLOBIN
NT HEMOGLOBIN
UF BLOOD
HEMEON AUTOMATIC SMOKE SAMPLERS
USE TAPE SAMPLERS (TRANSMITTANCE)
HEMOGLOBIN
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT HEMATOLOGY
RT CARBOXYHEMOGLOBIN
UF HEMOGLOBIN INTERACTIONS
UF METHEMOGLOBINS
HEMOGLOBIN INTERACTIONS
USE HEMOGLOBIN
HEPA FILTERS
S TERM ADDED SEPTEMBER 1974
BT CONTROL EQUIPMENT-GAS STREAMS
BT FILTERS
HEPTANES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
HEPTENES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
BT OLEFINS
HERBICIDES
BT PHYTOTOXICANTS
BT POLLUTANTS
RT PESTICIDES
UF ANTIAUXINS
UF SILVICIDES
UF WEED KILLERS
HERBICIDE SPRAYING
USE CROP SPRAYING
HERBS
BT PLANTS (BOTANY)
HERTZIAN WAVES
USE RADIO WAVES
HEXACHLOROBENZENE
S TERM ADDED SEPTEMBER 1974
BT CHLORINATED HYDROCARBONS
BT HALOGENATED HYDROCARBONS
UF HCB
UF PERCHLOROBENZENE
HEXANES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
HEXENES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
BT OLEFINS
HIGH PRESSURE AREAS (METEOROLOGY)
USE ANTICYCLONES
HIGH SULFUR FUELS
USE FUEL SULFUR CONTENT
HIGH VOLUME SAMPLERS
USE HI-VOL SAMPLERS
HIGHWAYS
BT ROADS
RT VEHICULAR TRAFFIC
HINDI
S LANGUAGE
HISTAMINES
BT BIOLOGICAL CONSTITUENTS AND PARTS
HISTOLOGY
S TERM ADDED SEPTEMBER 1974
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
HISTORICAL ASPECTS
S TERM ADDED SEPTEMBER 1974
RT TRENDS
UF CHRONOLOGY
HI-VOL SAMPLERS
BT SAMPLERS
BT SAMPLING METHODS
UF HIGH VOLUME SAMPLERS
HIWAY COMPUTER PROGRAM
USE COMPUTER PROGRAMS
HIWAY MODEL
USE MATHEMATICAL MODELING
HOGS
BT ANIMALS
BT ANIMALS (NON-HUMAN)
UF SWINE
HOLOGRAPHIC METHODS
S TERM ADDED SEPTEMBER 1974
BT RECORDING METHODS
RT LASERS
HORMONES
BT BIOLOGICAL CONSTITUENTS AND PARTS
I-58
-------
THESAURUS
HYDROCYANIC ACID
HORSES
BT ANIMALS
BT ANIMALS (NON-HUMAN)
HOSPITALS
USE SERVICE INDUSTRIES
HOT AIR ENGINES
USE STIRLING CYCLE ENGINES
HOTELS AND OTHER LODGING PLACES
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT SERVICE INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT RESIDENTIAL SOURCES
UF LODGING PLACES
UF SIC 70
HOT SOAK
BT CARBURETOR EVAPORATION LOSSES
BT ENGINE EMISSIONS
BT FUEL EVAPORATION
BT POLLUTANTS
HOURLY
RT DIURNAL
HOUSE HEARINGS
BT HEARINGS
BT LEGAL ASPECTS
RT NATIONAL GOVERNMENTS
HOUSING (DWELLINGS)
USE RESIDENTIAL BUILDINGS
HOUSING DEVELOPMENTS
USE RESIDENTIAL BUILDINGS
HOUSTON
BT AMERICA
BT NORTH AMERICA
BT TEXAS
BT UNITED STATES
HUMANS
BT ANIMALS
RT ANIMALS (NON-HUMAN)
RT EPIDEMIOLOGY
RT OUTPATIENT VISITS
UF MAN
HUMAN WASTES
USE EXCRETIONS
HUMIDIFICATION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
RT DEHUMIDIFICATION
RT DEHYDRATION
HUMIDITY
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
RT HYGROMETERS
UF ATMOSPHERIC HUMIDITY
UF DEW POINT
UF RELATIVE HUMIDITY
HUNGARIAN
S LANGUAGE
HUNGARY
S TERM ADDED SEPTEMBER 1974
BT EASTERN EUROPE
BT EUROPE
HYACINTH
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
HYBRID POWER
S TERM ADDED SEPTEMBER 1974
BT POWER SOURCES
BT SOURCES
HYDRAZINE
S SUPERSEDED TERM
USE HYDRAZINES
HYDRAZINES
RT AMMONIUM COMPOUNDS
UF HYDRAZINE
HYDRAZONES
S TERM ADDED APRIL 1967
RT NITROGEN ORGANIC COMPOUNDS
HYDRIDES
RT HYDROGEN
HYDROCARBON CONTROL
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT WASTE GAS CONTROL
HYDROCARBONS
NT ALIPHATIC HYDROCARBONS
NT AROMATIC HYDROCARBONS
NT POLYNUCLEAR COMPOUNDS
RT FUELS
RT TOTAL HYDROCARBONS
HYDROCHLORIC
S SUPERSEDED TERM
USE HYDROCHLORIC ACID
HYDROCHLORIC ACID
BT ACIDS
BT INORGANIC ACIDS
UF HYDROCHLORIC
HYDROCHLORIC ACID PLANTS
S TERM ADDED SEPTEMBER 1974
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT INDUSTRIAL INORGANIC CHEMICAL PLANTS
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
HYDROCYANIC ACID
BT ACIDS
BT ORGANIC ACIDS
UF HYDROGEN CYANIDE
I-59
-------
HYDRODESULFURIZATION
THESAURUS
HYDRODESULFURIZATION
BT CONTROL METHODS
BT FUEL OIL PREPARATION
BT FUEL TREATMENT
HYDROELECTRIC POWER
S TERM ADDED SEPTEMBER 1974
BT ELECTRIC POWER SOURCES
BT POWER SOURCES
BT SOURCES
HYDROFLUORIC ACID
BT ACIDS
BT INORGANIC ACIDS
RT FLUORINE COMPOUNDS
UF HYDROGEN FLUORIDE
HYDROFLUORIC ACID MANUFACTURING
USE INDUSTRIAL INORGANIC CHEMICAL PLANTS
HYDROGEN
RT HYDRIDES
HYDROGENATION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT CHEMICAL REACTIONS
HYDROGEN CYANIDE
USE HYDROCYANIC ACID
HYDROGEN FLUORIDE
USE HYDROFLUORIC ACID
HYDROGEN ION ACTIVITY
USE PH
HYDROGEN SULFIDE
BT SULFIDES
BT SULFUR COMPOUNDS
HYDROLYSIS
BT CHEMICAL AND PHYSICAL PHENOMENA
BT CHEMICAL REACTIONS
HYDROSPHERE
BT ATMOSPHERIC PHENOMENA
RT BODIES OF WATER
RT WATER BODIES
HYDROXIDES
RT OXIDES
RT SODIUM HYDROXIDE
HYGROMETERS
BT METEOROLOGICAL INSTRUMENTS
RT HUMIDITY
HYGROSCOPICITY
BT CHEMICAL AND PHYSICAL PHENOMENA
RT DRYING
RT WETTING
UF DELIQUESCENCE
HYPERSENSITIVITY
BT DISEASES AND DISORDERS
RT IMMUNOLOGY
RT THRESHOLDS
HYPERVENTILATION
BT DISEASES AND DISORDERS
RT RESPIRATORY FUNCTIONS
RT VENTILATION (PULMONARY)
HYPOXIA
BT DISEASES AND DISORDERS
RT ANOXIA
UF OXYGEN DEFICIENCY
ICE
BT
BT
BT
RT
CHEMICAL AND PHYSICAL PHENOMENA
PHYSICAL STATES
SOLIDS
FREEZING
ICELAND
S TERM ADDED SEPTEMBER 1974
BT EUROPE
BT WESTERN EUROPE
ICELANDIC
S LANGUAGE
IDAHO
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
ILLINOIS
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NT CHICAGO
IMMUNOLOGY
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
NT ANTIBODIES
NT ANTIGENS
RT ADAPTATION
RT HYPERSENSITIVITY
IMPACTION
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SEPARATION
IMPACT STATEMENTS
S TERM ADDED SEPTEMBER 1974
BT ADMINISTRATION
UF ENVIRONMENTAL IMPACT STATEMENTS
IMPINGEMENT
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SEPARATION
RT SAMPLING METHODS
IMPINGEMENT PLATE TOWERS
S TERM ADDED SEPTEMBER 1974
BT CONTROL EQUIPMENT-GAS STREAMS
BT SCRUBBERS
BT TRAY TOWERS
IMPLEMENTATION PLANS
S TERM ADDED SEPTEMBER 1974
BT ADMINISTRATION
BT CONTROL PROGRAMS
BT PLANS AND PROGRAMS
UF SIPS (STATE IMPLEMENTATION PLANS)
I-60
-------
THESAURUS
INDUSTRIAL INORGANIC CHEMICAL PLANTS
IMPREGNATED FABRICS
USE TREATED FABRICS
INCENTIVES
S TERM ADDED SEPTEMBER 1974
RT ECONOMICS
RT SALARIES
UF BONUS
UF FINANCIAL INCENTIVES
UF TAX INCENTIVES
INCINERATION
S SUPERSEDED TERM
USE INCINERATORS (REFUSE)
INCINERATION (CONTROL)
USE INCINERATORS (WASTE GASES)
INCINERATORS
S SUPERSEDED TERM
USE INCINERATORS (REFUSE)
INCINERATORS (REFUSE)
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT AGRICULTURAL INCINERATORS
NT AUTO BODY INCINERATORS
NT CONTROLLED AIR INCINERATORS
NT INDUSTRIAL-COMMERCIAL INCINERATORS
NT LIQUID INCINERATORS
NT MULTIPLE CHAMBER INCINERATORS
NT MUNICIPAL INCINERATORS
NT OPEN PIT INCINERATORS
NT PATHOLOGICAL INCINERATORS
NT RESIDENTIAL INCINERATORS
NT SINGLE CHAMBER INCINERATORS
NT SLUDGE INCINERATORS
NT TEEPEE BURNERS
UF BURNERS (REFUSE)
UF INCINERATION
UF INCINERATORS
INCINERATORS (WASTE GASES)
BT CONTROL EQUIPMENT-GAS STREAMS
NT CATALYTIC AFTERBURNERS
NT FLAME AFTERBURNERS
UF AFTERBURNERS
UF EXHAUST AFTERBURNERS
UF INCINERATION (CONTROL)
UF WASTE GAS INCINERATORS
INDEX (AIR POLLUTION)
USE AIR POLLUTION INDICES
INDEX (SOILING)
USE SOILING INDEX
INDEX OF REFRACTION
USE REFRACTIVE INDEX
INDIA
S TERM ADDED SEPTEMBER 1974
BT ASIA
INDIANA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
INDICATORS (PLANTS)
USE PLANT INDICATORS
INDONESIAN
S LANGUAGE
INDOOR
S TERM ADDED JUL Y 1969
RT STRUCTURES
INDUSTRIAL
S SUPERSEDED TERM
USE INDUSTRIAL AREAS
INDUSTRIAL AREAS
RT COMMERCIAL AREAS
RT LAND USE PLANNING
UF INDUSTRIAL
UF INDUSTRIAL DISTRICTS
UF MANUFACTURING AREAS
INDUSTRIAL-COMMERCIAL INCINERATORS
S TERM ADDED SEPTEMBER 1974
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INCINERATORS (REFUSE)
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF COMMERCIAL INCINERATORS
INDUSTRIAL DISTRICTS
USE INDUSTRIAL AREAS
INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT AGRICULTURE INDUSTRY
NT CONSTRUCTION INDUSTRY
NT ELECTRIC, GAS, AND SANITARY SERVICES
NT MANUFACTURING INDUSTRIES
NT MINERAL PROCESSING
NT MINING
NT PETROLEUM DISTRIBUTION
NT REAL PROPERTY OPERATIONS
NT RETAIL TRADE
NT SCRAP YARDS
NT SERVICE INDUSTRIES
NT STORAGE FACILITIES (BULK LIQUID)
UF INDUSTRIAL WASTE GAS SOURCES
UF WASTE GAS SOURCES (INDUSTRIAL)
INDUSTRIAL HEALTH
USE OCCUPATIONAL HEALTH
INDUSTRIAL INORGANIC CHEMICAL PLANTS
S TERM ADDED SEPTEMBER 1974
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
1-61
-------
INDUSTRIAL WASTE GAS SOURCES
THESAURUS
INDUSTRIAL INORGANIC CHEMICAL PLANTS—Continued
NT ALKALIES AND CHLORINE PLANTS
NT HYDROCHLORIC ACID PLANTS
NT PHOSPHORUS PLANTS
NT SULFURIC ACID PLANTS
UF CALCIUM CARBIDE PRODUCTION
UF HYDROFLUORIC ACID MANUFACTURING
UF INORGANIC CHEMICAL PLANTS
UF INORGANIC PIGMENT MANUFACTURING
UF MAGNESIUM CARBONATE PRODUCTION
UF PHOSPHATE PRODUCTION
UF SIC 281
UF SODIUM SULFATE MANUFACTURING
INDUSTRIAL WASTE GAS SOURCES
USE INDUSTRIAL EMISSION SOURCES
INERTIAL SEPARATION (CONTROL)
BT CONTROL METHODS
BT SEDIMENTATION (CONTROL)
RT INERTIAL SEPARATION
INERTIAL SEPARATION (MEASUREMENT)
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SEPARATION
RT INERTIAL SEPARATION
INERTIAL SEPARATION
S SUPERSEDED TERM
RT INERTIAL SEPARATION (CONTROL)
RT INERTIAL SEPARATION (MEASUREMENT)
INFANCY
BT ANIMALS
UF INFANTS
INFANTS
USE INFANCY
INFECTIONS (ADENOVIRUS)
USE ADENOVIRUS INFECTIONS
INFECTIOUS DISEASES
BT DISEASES AND DISORDERS
RT RESPIRATORY DISEASES
UF COMMUNICABLE DISEASES
UF CONTAGIOUS DISEASES
INFLUENZA
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
INFORMATION (PUBLIC)
USE PUBLIC INFORMATION
INFORMATION RETRIEVAL
S TERM ADDED SEPTEMBER 1974
BT DATA HANDLING SYSTEMS
RT TERMINOLOGY
UF DOCUMENT RETRIEVAL
UF RECORDS RETRIEVAL
UF RETRIEVAL (INFORMATION)
INFRARED
S SUPERSEDED TERM
USE INFRARED SPECTROMETRY
INFRARED ABSORPTION
USE ELECTROMAGNETIC ABSORPTION
INFRARED RADIATION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT LIGHT RADIATION
INFRARED SPECTROMETRY
BT ANALYTICAL METHODS
BT SPECTROMETRY
NT NON-DISPERSIVE INFRARED SPECTROMETRY
UF INFRARED
UF LONG PATH INFRARED SPECTROSCOPY
INGESTION
BT BIOLOGICAL PROCESSES AND FUNCTIONS
UF DRINKING
UF EATING
INHALATION
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT BREATHING
BT RESPIRATORY FUNCTIONS
INHALATION THERAPY
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT TREATMENT AND AIDS
INHIBITION
BT BIOLOGICAL PROCESSES AND FUNCTIONS
RT ADAPTATION
RT SYNERGISM
INHOUSE
S METHOD OF SUPPORT FOR APTIC NO 0 100032
INJECTION (LIMESTONE)
USE LIME/LIMESTONE PROCESSES
INJECTION (WASTE GAS CONTROL)
USE WASTE GAS CONTROL
INK
S
BT
TERM ADDED SEPTEMBER 1974
MATERIALS
INORGANIC
S SUPERSEDED TERM
USE INORGANIC ACIDS
INORGANIC ACIDS
BT ACIDS
NT HYDROCHLORIC ACID
NT HYDROFLUORIC ACID
NT NITRIC ACID
NT NITROUS ACID
NT PERCHLORIC ACID
NT PHOSPHORIC ACID
NT SULFURIC ACID
UF INORGANIC
UF MINERAL ACIDS
INORGANIC CHEMICAL PLANTS
USE INDUSTRIAL INORGANIC CHEMICAL PLANTS
INORGANIC FRACTION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL COMPOSITION
I-62
-------
THESAURUS
IODIMETRIC METHODS
INORGANIC LIQUID SORPTION
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT WASTE GAS CONTROL
INORGANIC PIGMENT MANUFACTURING
USE INDUSTRIAL INORGANIC CHEMICAL PLANTS
INORGANIC SOLID SORPTION
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT WASTE GAS CONTROL
INSECTICIDES
USE PESTICIDES
INSECTS
BT ANIMALS
BT ANIMALS (NON-HUMAN)
BT INVERTEBRATES
UF BUGS (INSECTS)
IN SITU
S TERM ADDED SEPTEMBER 1974
RT FIELD TESTS
RT GASIFICATION
INSPECTION
BT CONTROL METHODS
RT MAINTENANCE
RT REGULATIONS
UF MOTOR VEHICLE INSPECTION
INSPECTORS
BT PERSONNEL
INSTANT COFFEE PRODUCTION
USE COFFEE ROASTING
INSTRUCTION
USE EDUCATION
INSTRUCTORS
BT PERSONNEL
UF TEACHERS
INSTRUMENTATION
RT ANALYTICAL METHODS
RT MEASUREMENT METHODS
RT METEOROLOGICAL INSTRUMENTS
RT RADIATION MEASURING SYSTEMS
INSULATORS (ELECTRICAL)
USE ELECTRICAL INSULATORS
INTEGUMENTARY SYSTEM
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL CONSTITUENTS AND PARTS
NT HAIR
NT NAILS (ANATOMY)
INTERRACIAL TENSION
USE SURFACE TENSION
INTERLINGUA
S LANGUAGE
INTERMITTENT
S SUPERSEDED TERM
USE INTERMITTENT MONITORING
INTERMITTENT (MODIFIER)
S TERM ADDED SEPTEMBER 1974
RT CONTINUOUS
INTERMITTENT MONITORING
BT MEASUREMENT METHODS
BT MONITORING
UF INTERMITTENT
INTERMOLECULAR FORCES
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
UF MOLECULAR ASSOCIATION
INTERNAL COMBUSTION ENGINES
BT ENGINES
BT POWER SOURCES
BT SOURCES
NT DIESEL ENGINES
NT ROTARY ENGINES
NT SPARK IGNITION ENGINES
NT STRATIFIED CHARGE ENGINES
NT TWO-STROKE CYCLE ENGINES
INTERNATIONAL
RT INTERNATIONAL AGENCIES
UF GLOBAL
INTERNATIONAL AGENCIES
S TERM ADDED SEPTEMBER 1974
RT NATIONAL GOVERNMENTS
RT INTERNATIONAL
INTESTINES
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT DIGESTIVE SYSTEM
UF COLON
UF DUODENUM
INVENTORIES (EMISSION)
USE EMISSION INVENTORIES
INVERSION
BT ATMOSPHERIC PHENOMENA
BT STABILITY (ATMOSPHERIC)
UF ATMOSPHERIC INVERSION
UF TEMPERATURE INVERSION
INVERTEBRATES
BT ANIMALS
BT ANIMALS (NON-HUMAN)
NT BEES
NT FLIES
NT INSECTS
NT PARAMECIA
IODIDES
BT IODINE COMPOUNDS
RT SILVER IODIDE
IODIMETRIC METHODS
BT ANALYTICAL METHODS
BT CHEMICAL METHODS
I-63
-------
IODINATED HYDROCARBONS
THESAURUS
IODINATED HYDROCARBONS
BT HALOGENATED HYDROCARBONS
IODINE
S TERM ADDED JUL Y 1969
BT HALOGEN GASES
IODINE COMPOUNDS
NT IODIDES
ION EXCHANGING
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
RT ZEOLITES
IONIZATION
BT CHEMICAL AND PHYSICAL PHENOMENA
NT PHOTOIONIZATION
IONIZATION CHAMBERS
BT TESTING FACILITIES
IONS
BT CHEMICAL AND PHYSICAL PHENOMENA
ION SELECTIVE ELECTRODE METHODS
USE SPECIFIC ION ELECTRODE
IOWA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
IRELAND
S TERM ADDED APRIL
BT EUROPE
BT WESTERN EUROPE
1967
IRIS
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
IRISH POTATOES
USE POTATOES (IRISH)
IRON
BT MATERIALS
BT METALS
NT STEEL
IRON AND STEEL FOUNDRIES
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT GRAY IRON FOUNDRIES
NT MALLEABLE IRON FOUNDRIES
NT STEEL INVESTMENT FOUNDRIES
UF FOUNDRIES (IRON AND STEEL)
UF SIC 332
IRON COMPOUNDS
BT METAL COMPOUNDS
IRON OXIDES
BT OXIDES
IRON PRODUCTION
USE BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
IRRADIATION CHAMBERS
BT TESTING FACILITIES
RT SOLAR RADIATION
IRREGULAR PARTICLES
S TERM ADDED SEPTEMBER 1974
BT AEROSOL PHENOMENA
BT PARTICLE SHAPE
BT PARTICLE SIZE, SHAPE, AND STRUCTURE
BT PARTICULATE PROPERTIES
ISOBUTANES
BT ALIPHATIC HYDROCARBONS
BT BUTANES
BT HYDROCARBONS
ISOPENTANES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
BT PENTANES
ISOTOPES
BT CHEMICAL AND PHYSICAL PHENOMENA
RT RADIOACTIVE TRACERS
RT RADON
ISRAEL
S TERM ADDED SEPTEMBER 1974
BT ASIA
ISRAELI
USE HEBREW
ITALIAN
S LANGUAGE
ITALY
S TERM ADDED APRIL 1967
BT EUROPE
BT WESTERN EUROPE
IVY
BT
BT
FLOWERS
PLANTS (BOTANY)
JAPAN
BT ASIA
NT CHIBA PREFECTURE
NT KANAGAWA PREFECTURE
NT OSAKA
NT SAPPORO
NT TOKYO
NT YOKKAICHI
JAPANESE
S LANGUAGE
UF JAPANSES
JAPANSES
S SUPERSEDED LANGUAGE TERM
USE JAPANESE
-64
-------
THESAURUS
LABOR
JET
S
USE
SUPERSEDED TERM
JET AIRCRAFT
JET AIRCRAFT
BT AIRCRAFT
BT MOBILE EMISSION SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
NT SUPERSONIC AIRCRAFT
UF JET
JET ENGINE EXHAUST
USE ENGINE EXHAUSTS
JET EXHAUST
USE ENGINE EXHAUSTS
JIGS
S
BT
BT
BT
TERM ADDED SEPTEMBER 1974
COAL PREPARATION
CONTROL METHODS
FUEL TREATMENT
JOB ANALYSIS
S TERM ADDED SEPTEMBER 1974
RT PERSONNEL QUALIFICATIONS
UF DUTIES (EMPLOYMENT)
UF JOB DESCRIPTION
UF JOB EVALUATION
JOB DESCRIPTION
USE JOB ANALYSIS
JOB EVALUATION
USE JOB ANALYSIS
JOB TRAINING
USE EDUCATION
JOHNSTONE ZINC OXIDE PROCESS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
KALANCHOE
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
KANAGAWA PREFECTURE
BT ASIA
BT JAPAN
NT YOKOHAMA
KANSAS
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
KAOLIN
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
BT MINERAL PRODUCTS
UF CHINA CLAY
KAZAKH
S LANGUAGE
KENTUCKY
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
KEROSENE
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
KETONES
NT ACETONE
NT QUINONES
KIDNEYS
BT BIOLOGICAL CONSTITUENTS AND PARTS
KILNS
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT LIME KILNS
RT BEEHIVE COKE OVENS
RT BRICK AND STRUCTURAL CLAY TILE WORKS
RT DRYING
RT FURNACES
UF ROTARY KILNS
KINEMATICS
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
KINETICS (REACTION)
USE REACTION KINETICS
KIRGIZ
S LANGUAGE
KONIMETERS
BT PARTICLE COUNTING
BT PARTICLE INVESTIGATION METHODS
KOREAN
S LANGUAGE
KRAFT (SULFATE) PULPING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PAPER AND ALLIED MANUFACTURING
BT PULP MILLS
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT BLACK LIQUOR OXIDATION
UF KRAFT PULPING
UF SULFATE PULPING
KRAFT PULPING
S SUPERSEDED TERM
USE KRAFT (SULFATE) PULPING
LAB
USE ORIGINAL (LABORATORY)
LABOR
USE PERSONNEL
I-65
-------
LABORATORY ANIMALS
THESAURUS
LABORATORY ANIMALS
S TERM ADDED APRIL 1967
BT ANIMALS
BT ANIMALS (NON-HUMAN)
RT PRIMATES (NON-HUMAN)
RT RABBITS
RT RATS
UF EXPERIMENTAL ANIMALS
LABORATORY FACILITIES
BT TESTING FACILITIES
UF FIELD LABORATORIES
LACHRYMATION
BT DISEASES AND DISORDERS
LACQUERS
BT MATERIALS
BT SURFACE COATINGS
LAKES
BT BODIES OF WATER
BT TOPOGRAPHIC LOCATIONS
LAMPBLACK
USE CARBON BLACK
LANCING (OXYGEN)
USE OXYGEN LANCING
LAND AREA
S TERM ADDED SEPTEMBER 1974
RT LAND USE PLANNING
LANDFILLS
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURC*ES
BT STATIONARY EMISSION SOURCES
UF EARTH FILLS
UF SANITARY LANDFILLS
UF SOLID WASTE FILLS
LANDSCAPE ARCHITECTURE
S TERM ADDED SEPTEMBER 1974
NT GREENBELTS
LAND USE
S SUPERSEDED TERM
USE LAND USE PLANNING
LAND USE PLANNING
S TERM ADDED JULY 1969
BT LEGAL ASPECTS
BT PLANNING AND ZONING
RT COMMERCIAL AREAS
RT INDUSTRIAL AREAS
RT LAND AREA
RT RESIDENTIAL AREAS
UF LAND USE
LAND USE ZONING
USE PLANNING AND ZONING
LAPSE CONDITION
BT ATMOSPHERIC PHENOMENA
BT STABILITY (ATMOSPHERIC)
LAPSE RATE (ATMOSPHERIC)
USE TEMPERATURE GRADIENT
LARYNGITIS
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
LARYNX
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT RESPIRATORY SYSTEM
LASER RADAR
USE LIDAR
LASERS
S TERM ADDED APRIL 1967
RT HOLOGRAPHIC METHODS
RT LIDAR
RT TUNED LASER SPECTROMETRY
LASER SPECTROSCOPY (TUNED)
USE TUNED LASER SPECTROSCOPY
LATIN
S LANGUAGE
LATIN AMERICA
BT AMERICA
NT CENTRAL AMERICA
NT MEXICO
NT SOUTH AMERICA
LATVIAN
S LANGUAGE
LAUNCH VEHICLES (MISSILE AND SPACECRAFT)
USE MISSILE AND SPACECRAFT LAUNCH VEHICLES
LAUNDERING (COAL)
USE COAL PREPARATION
LAUNDERING(COAL)
USE COAL PREPARATION
LAUNDERING
RT COAL PREPARATION
UF WASHING
LAUNDRIES
BT INDUSTRIAL EMISSION SOURCES
BT SERVICE INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
LAUREL
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
LAW
USE LEGISLATION
LAW ENFORCEMENT
USE ENFORCEMENT PROCEDURES
LEAD
BT MATERIALS
BT METALS
NT LEAD ALLOYS
I-66
-------
THESAURUS
LICHENS
LEAD ALLOYS
BT LEAD
BT MATERIALS
BT METALS
LEAD CHLORIDE
S TERM ADDED SEPTEMBER 1974
BT LEAD COMPOUNDS
BT METAL COMPOUNDS
LEAD COMPOUNDS
BT METAL COMPOUNDS
NT LEAD CHLORIDE
NT TETRAETHYL LEAD
NT TETRAMETHYL LEAD
LEADED GASOLINES
S TERM ADDED SEPTEMBER 1974
BT FUELS
BT GASOLINES
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT FUEL ADDITIVES
RT UNLEADED GASOLINES
LEAD-FREE GASOLINES
USE UNLEADED GASOLINES
LEAD PEROXIDE CANDLE
USE SULFATION-OF-LEAD METHODS
LEAD PRIMARY SMELTING AND REFINING
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT PRIMARY SMELTING AND REFINING OF
NONFERROUS METALS
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 3332
LEAD SECONDARY SMELTING AND REFINING
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SECONDARY SMELTING AND REFINING OF
NONFERROUS METALS
BT SOURCES
BT STATIONARY EMISSION SOURCES
LEAD TETRAETHYL
USE TETRAETHYL LEAD
LEAD TIME
S TERM ADDED SEPTEMBER 1974
RT PLANS AND PROGRAMS
LEATHER
BT MATERIALS
LEATHER AND LEATHER PRODUCTS INDUSTRY
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 31
UF TANNERIES (LEATHER)
LEAVES
NT NEEDLES
RT DEFOLIANTS
UF FOLIAGE
UF FRONDS
LEGAL
S SUPERSEDED TERM
USE LEGAL ASPECTS
LEGAL AND ADMIN
S SUPERSEDED CA TEGORY TERM
USE GOVERNMENTAL PARTICIPATION
LEGAL ASPECTS
NT CODES
NT DECISIONS
NT HEARINGS
NT LEGISLATION
NT LITIGATION
NT PLANNING AND ZONING
NT REGULATIONS
RT ENFORCEMENT PROCEDURES
UF LEGAL
UF LIABILITIES (LEGAL)
LEGISLATION
BT LEGAL ASPECTS
NT CLEAN AIR ACT
RT REGULATIONS
UF BILL
UF ENVIRONMENTAL LEGISLATION
UF LAW
UF ORDINANCES
UF POLLUTION LAWS
UF STATUTES
LENTILS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
LETTUCE
BT PLANTS (BOTANY)
BT VEGETABLES
LEUKEMIA
BT CANCER
BT DISEASES AND DISORDERS
LEUKOCYTES
S TERM ADDED APRIL 1967
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT BLOOD CELLS
BT CELLS (BIOLOGY)
UF MONOCYTES
LIABILITIES (LEGAL)
USE LEGAL ASPECTS
LICENSES
USE PERMITS
LICHENS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
I-67
-------
LIDAR
THESAURUS
LIDAR
S OPTICAL RADAR
RT LASERS
RT REMOTE SENSING
UF LASER RADAR
LIFE SPAN
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
UF LONGEVITY (BIOLOGY)
LIGHT ABSORPTION
USE ELECTROMAGNETIC ABSORPTION
LIGHT-DUTY VEHICLES
S TERM ADDED SEPTEMBER 1974
BT MOBILE EMISSION SOURCES
BT MOTOR VEHICLE SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
NT AUTOMOBILES
NT MOTORCYCLES
LIGHT EXTINCTION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
LIGHT POLARIZATION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
LIGHT RADIATION
BT CHEMICAL AND PHYSICAL PHENOMENA
NT INFRARED RADIATION
NT SOLAR RADIATION
NT ULTRAVIOLET RADIATION
NT VISIBLE RADIATION
UF RADIATION (LIGHT)
LIGHT REFRACTION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
LIGHT SCATTERING
BT CHEMICAL AND PHYSICAL PHENOMENA
RT DIFFRACTION
RT REFRACTIVE INDEX
RT VISIBILITY
LIGHT TRANSMISSION
S , TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
LIGNITE
S TERM ADDED SEPTEMBER 1974
BT
BT
BT
UF
LILAC
S
BT
BT
LILY
S
BT
BT
FUELS
SOURCES
STATIONARY EMISSION SOURCES
BROWN COAL
TERM ADDED SEPTEMBER 1974
ORNAMENTALS
PLANTS (BOTANY)
TERM ADDED SEPTEMBER 1974
FLOWERS
PLANTS (BOTANY)
LIME
S SUPERSEDED TERM
USE LIME KILNS
LIME (CALCIUM COMPOUNDS)
USE CALCIUM COMPOUNDS
LIME KILNS
BT KILNS
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT PULP MILLS
UF LIME
LIME/LIMESTONE PROCESSES
S TERM ADDED SEPTEMBER 1974
BT ALKALINE ADDITIVES
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
UF INJECTION (LIMESTONE)
UF LIMESTONE INJECTION (WASTE GAS CONTROL)
UF SF NATEKO PROCESS
LIME PLANTS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
BT STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
UF SIC 3274
LIMESTONE
BT MATERIALS
BT MINERAL PRODUCTS
LIMESTONE INJECTION (WASTE GAS CONTROL)
USE LIME/LIMESTONE PROCESSES
LIMESTONE SCRUBBING
USE SCRUBBERS
LIMITED ACCESS ROADS
S TERM ADDED SEPTEMBER 1974
BT ROADS
UF EXPRESSWAYS
LINE SOURCES
BT ATMOSPHERIC PHENOMENA
BT DISPERSION
RT SOURCES
LIPIDS
BT BIOLOGICAL CONSTITUENTS AND PARTS
LIQUEFIED GASES
USE COMPRESSED GASES
LIQUEFIED PETROLEUM GAS (LPG)
S TERM ADDED SEPTEMBER 1974
BT FUEL GASES
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF LPG
I-68
-------
THESAURUS
LOW TEMPERATURE ASHING
LIQUEFIED PETROLEUM GAS DEALERS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT RETAIL TRADE
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT PETROLEUM DISTRIBUTION
UF SIC 5984
LIQUID ATOMIZATION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL ATOMIZATION
BT AEROSOL FORMATION
BT AEROSOL PHENOMENA
NT ELECTROSTATIC ATOMIZATION
NT MECHANICAL ATOMIZATION
LIQUID BULK STORAGE FACILITIES
USE STORAGE FACILITIES (BULK LIQUID)
LIQUID INCINERATORS
S TERM ADDED SEPTEMBER 1974
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INCINERATORS (REFUSE)
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
LIQUIDS
BT CHEMICAL AND PHYSICAL PHENOMENA
BT PHYSICAL STATES
NT WATER
LITHIUM CHLORIDE
S TERM ADDED SEPTEMBER 1974
BT LITHIUM COMPOUNDS
BT METAL COMPOUNDS
LITHIUM COMPOUNDS
BT METAL COMPOUNDS
NT LITHIUM CHLORIDE
LITHOGRAPHY
USE PRINTING AND PUBLISHING
LITHUANIAN
S LANGUAGE
LITIGATION
BT LEGAL ASPECTS
LIVER
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT DIGESTIVE SYSTEM
LIVESTOCK
USE ANIMALS (NON-HUMAN)
LOADING (MATERIALS)
USE MATERIALS HANDLING
LOCAL GOVERNMENTS
BT GOVERNMENTS
LOCATIONS (TOPOGRAPHIC)
USE TOPOGRAPHIC LOCATIONS
LOCATION SELECTION
USE SITE SELECTION
LODGING PLACES
USE HOTELS AND OTHER LODGING PLACES
LOFTING
BT ATMOSPHERIC PHENOMENA
BT DISPERSION
BT PLUME BEHAVIOR
LOGGING (RECORDING)
USE RECORDING METHODS
LONDON
BT EUROPE
BT GREAT BRITAIN
BT UNITED KINGDOM
BT WESTERN EUROPE
LONGEVITY (BIOLOGY)
USE LIFE SPAN
LONG PATH INFRARED SPECTROSCOPY
USE INFRARED SPECTROMETRY
LOOPING
BT ATMOSPHERIC PHENOMENA
BT DISPERSION
BT PLUME BEHAVIOR
LOQUATS
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
LOS ANGELES
BT AMERICA
BT CALIFORNIA
BT NORTH AMERICA
BT UNITED STATES
LOSSES (ECONOMIC)
USE ECONOMIC LOSSES
LOUISIANA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NT NEW ORLEANS
LOUVER SEPARATORS
S TERM ADDED SEPTEMBER 1974
BT COLLECTORS (MECHANICAL)
BT CONTROL EQUIPMENT-GAS STREAMS
BT GRAVITY COLLECTORS
LOWER ATMOSPHERE
BT ALTITUDE
BT ATMOSPHERIC PHENOMENA
LOW SULFUR FUELS
USE FUEL SULFUR CONTENT
LOW TEMPERATURE ASHING
S TERM ADDED SEPTEMBER 1974
BT ORGANIC MATTER REMOVAL
I-69
-------
LPG
THESAURUS
LPG
USE LIQUEFIED PETROLEUM GAS (LPG)
LUBRICANTS
BT MATERIALS
RT DECREASING
UF GREASES
LUBRICANT STORAGE
USE POL STORAGE
LUMBER AND WOOD PRODUCTS INDUSTRY
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF CORK PROCESSING
UF CREOSOTING OF WOOD
UF EXCELSIOR MANUFACTURING
UF FOREST PRODUCTS INDUSTRY
UF PARTICLEBOARD MANUFACTURING
UF PLYWOOD PRODUCTION
UF SAWMILLS
UF SIC 24
UF WOOD PRODUCTS INDUSTRY
LUMINESCENCE
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
NT CHEMILUMINESCENCE
NT PHOSPHORESCENCE
UF GLOWING
LUNG
S SUPERSEDED TERM
USE LUNG CANCER
LUNG CANCER
BT CANCER
BT DISEASES AND DISORDERS
UF LUNG
LUNG CLEARANCE
S TERM ADDED APRIL 1967
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT RESPIRATORY FUNCTIONS
UF CLEARANCE (LUNG)
LUNG DISEASES
USE RESPIRATORY DISEASES
LUNG FUNCTION
USE PULMONARY FUNCTION
LUNGS
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT RESPIRATORY SYSTEM
NT ALVEOLI
LUPINE
S TERM ADDED SEPTEMBER 1974
BT CROPS
BT PLANTS (BOTANY)
LURGI SULFACID PROCESS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
LYMPHOCYTES
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT BLOOD CELLS
BT CELLS (BIOLOGY)
MACEDONIAN
S LANGUAGE
MACHINERY (EXCEPT ELECTRICAL) MANUFACTURING
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 35
MACRO-OPTICAL METHODS
S TERM ADDED SEPTEMBER 1974
BT MEASUREMENT METHODS
BT OPTICAL METHODS
MACROPHAGES
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT CELLS (BIOLOGY)
MAGNESIUM
BT MATERIALS
BT METALS
MAGNESIUM CARBONATE PRODUCTION
USE INDUSTRIAL INORGANIC CHEMICAL PLANTS
MAGNESIUM COMPOUNDS
BT METAL COMPOUNDS
MAGNESIUM OXIDE PROCESS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
MAGNESIUM OXIDE SCRUBBING
USE SCRUBBERS
MAGNETIC PROPERTIES
BT CHEMICAL AND PHYSICAL PROPERTIES
MAGNETIC SEPARATION
BT COAL PREPARATION
BT CONTROL METHODS
BT FUEL TREATMENT
MAGNETOHYDRODYNAMICS (MHD)
BT ELECTRIC POWER GENERATION
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF MHD (ELECTRIC POWER GENERATION)
MAINE
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
I-70
-------
THESAURUS
MANUFACTURING INDUSTRIES
MAINTENANCE
BT CONTROL METHODS
RT INSPECTION
UF MOTOR VEHICLE MAINTENANCE
UF REPAIRING
UF SERVICING
UF UPKEEP
MAINTENANCE AREAS
USE AIR QUALITY MAINTENANCE AREAS
MALAY
S LANGUAGE
MALEIC ANHYDRIDE MANUFACTURING
USE CYCLIC CRUDES AND INTERMEDIATE
PRODUCTION
MALES
BT ANIMALS
MALIGNANT NEOPLASMS
USE CANCER
MALLARDS
USE DUCKS
MALLEABLE IRON FOUNDRIES
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT IRON AND STEEL FOUNDRIES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF FOUNDRIES (MALLEABLE IRON)
UF SIC 3322
MALODOROUS POLLUTANTS
USE ODOROUS POLLUTANTS
MAN
USE HUMANS
MANAGEMENT
USE ADMINISTRATION
MANAGEMENT PERSONNEL
BT PERSONNEL
UF DIRECTORS
MANGANESE
BT MATERIALS
BT METALS
MANGANESE COMPOUNDS
BT METAL COMPOUNDS
NT MANGANESE SULFATES
MANGANESE DIOXIDE PROCESS
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
MANGANESE PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT ELECTROMETALLURGICAL PRODUCTS MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
MANGANESE SULFATES
BT MANGANESE COMPOUNDS
BT METAL COMPOUNDS
MANGOES
S TERM ADDED SEPTEMBER
BT FRUITS
BT PLANTS (BOTANY)
MANHATTAN (NY)
USE NEW YORK CITY
MANL
USE HANDBOOKS AND MANUALS
MANUAL
RT AUTOMATIC (MODIFIER)
MANUALS
USE HANDBOOKS AND MANUALS
MANUFACTURED GAS
USE FUEL GASES
MANUFACTURING APPLICATIONS
S TERM ADDED SEPTEMBER 1974
BT AEROSOL APPLICATIONS
BT AEROSOL PHENOMENA
BT TECHNOLOGICAL APPLICATIONS
MANUFACTURING AREAS
USE INDUSTRIAL AREAS
MANUFACTURING COSTS
USE OPERATING COSTS
MANUFACTURING INDUSTRIES
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT CHEMICALS AND ALLIED MANUFACTURING
NT ELECTRICAL AND ELECTRONIC EQUIPMENT
PLANTS
NT FOOD AND KINDRED PRODUCTS INDUSTRY
NT FURNITURE INDUSTRY
NT LEATHER AND LEATHER PRODUCTS INDUSTRY
NT LUMBER AND WOOD PRODUCTS INDUSTRY
NT MACHINERY (EXCEPT ELECTRICAL)
MANUFACTURING
NT METAL FABRICATION
NT METAL INDUSTRIES
NT PAPER AND ALLIED MANUFACTURING
NT PETROLEUM AND COAL PRODUCTS INDUSTRY
NT PRINTING AND PUBLISHING
NT RUBBER AND MISCELLANEOUS PLASTICS
PRODUCTION
NT STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
NT TEXTILE MILLS
NT TOBACCO MANUFACTURES
NT TRANSPORTATION EQUIPMENT MANUFACTURING
UF FACTORIES
1-71
-------
MAPLE TREES
THESAURUS
MAPLE TREES
S TERM ADDED SEPTEMBER 1974
BT DECIDUOUS TREES
BT PLANTS (BOTANY)
BT TREES
MAPPING
RT TOPOGRAPHIC LOCATIONS
RT WEATHER MAPS
UF CARTOGRAPHY
MARBLE BED SCRUBBERS
USE SCRUBBERS
MARINE ANIMALS
USE AQUATIC ANIMALS
MARINE PLANTS
USE AQUATIC PLANTS
MARINE VESSELS
USE VESSELS (MARINE)
MARITIME SOURCES
USE VESSELS (MARINE)
MARKETING
S TERM ADDED SEPTEMBER 1974
RT AVAILABILITY
RT PETROLEUM DISTRIBUTION
RT RETAIL TRADE
UF SELLING
MARYLAND
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
MASKING
USE ODOR MASKING
MASKS
USE PROTECTIVE MASKS
MASS
S SUPERSEDED TERM
USE MASS SPECTROMETRY
MASSACHUSETTS
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
MASS DETERMINATION
S TERM ADDED SEPTEMBER 1974
BT MEASUREMENT METHODS
MASS SPECTROMETRY
BT ANALYTICAL METHODS
BT SPECTROMETRY
UF MASS
UF MASS SPECTROSCOPY
MASS SPECTROSCOPY
USE MASS SPECTROMETRY
MASS TRANSFER
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
MASS TRANSIT
USE MASS TRANSPORTATION
MASS TRANSPORTATION
BT MOBILE EMISSION SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
UF MASS TRANSIT
UF RAPID TRANSIT
MATERIAL BALANCE
S TERM ADDED SEPTEMBER 1974
RT EMISSION FACTORS
MATERIALS
NT ABRASIVES
NT ABSORBERS (MATERIALS)
NT ADHESIVES
NT CARBON
NT CERAMICS
NT CONSTRUCTION MATERIALS
NT ELECTRICAL INSULATORS
NT INK
NT LEATHER
NT LUBRICANTS
NT MATERIALS DETERIORATION
NT METALS
NT MINERAL PRODUCTS
NT PAPER
NT PIGMENTS
NT PLASTICS
NT PROTECTANTS
NT REFRACTORIES
NT ROCKS
NT RUBBER
NT SAND AND GRAVEL
NT SEALING COMPOUNDS
NT SEALS
NT SURFACE COATINGS
NT TAR (MATERIAL)
NT TEXTILES
NT TIRES
NT WOOD (MATERIAL)
MATERIALS DETERIORATION
BT MATERIALS
NT CORROSION
NT CRACKING
NT DISCOLORATION
NT FADING
NT SCALING
NT SOILING
UF AIR POLLUTION EFFECTS (MATERIALS)
UF DEGRADATION (MATERIALS)
UF DETERIORATION (MATERIALS)
MATERIALS HANDLING
S TERM ADDED SEPTEMBER 1974
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF CONVEYING (MATERIALS)
UF HANDLING (MATERIALS)
UF HAULING (MATERIALS)
UF LOADING (MATERIALS)
UF RECEIVING (MATERIALS)
UF SHIPPING (MATERIALS)
UF TRANSFERRING (MATERIALS)
UF UNLOADING (MATERIALS)
I-72
-------
THESAURUS
MEDICINAL AEROSOLS
MATHEMATICAL ANALYSES
NT MATHEMATICAL MODELING
RT DATA ANALYSIS
RT DATA RETRIEVAL
RT SIMULATION
UF ANALYSIS (MATHEMATICAL)
UF MATHEMATICAL ANALYSIS
MATHEMATICAL ANALYSIS
S SUPERSEDED TERM
USE MATHEMATICAL ANALYSES
MATHEMATICAL MODELING
BT MATHEMATICAL ANALYSES
NT PROPORTIONAL MODELING
RT DIFFUSION MODELS
RT SIMULATION
UF AIR QUALITY DISPLAY MODEL
UF HIWAY MODEL
UF MODELS (MATHEMATICAL)
MAXIMUM ALLOWABLE CONCENTRATION
BT AIR QUALITY STANDARDS
BT STANDARDS
RT TOXIC TOLERANCES
MBTH METHOD (ALDEHYDES)
S TERM ADDED APRIL 1967
S USES 3-METHYL-2-BENZOTHIAZOLE HYDRAZONE
HYDROCHLORIDE
BT ANALYTICAL METHODS
BT COLORIMETRY
MEASUREMENT METH
S SUPERSEDED CATEGORY TERM
USE MEASUREMENT METHODS (CATEGORICAL)
MEASUREMENT METHODS (AMBIENT AIR AND
EMISSIONS)
S CATEGORY FOR APTIC NUMBERS ABOVE 100031
BT MEASUREMENT METHODS (CATEGORICAL)
MEASUREMENT METHODS (CATEGORICAL)
S CATEGORY
NT MEASUREMENT METHODS (AMBIENT AIR AND
EMISSIONS)
NT MEASUREMENT METHODS (OTHER THAN
AMBIENT AIR AND EMISSIONS)
UF C/A-MEASUREMENT METH
UF C/S-MEASUREMENT METH-S
UF MEASUREMENT METH
MEASUREMENT METHODS (OTHER THAN AMBIENT AIR
AND EMISSIONS)
S CATEGORY FOR APTIC NUMBERS ABOVE 100031
BT MEASUREMENT METHODS (CATEGORICAL)
MEASUREMENT METHODS
NT AUTOMATIC MEASUREMENT METHODS
NT CHEMILUMINESCENCE METHODS
NT CONDUCTIMETRIC METHODS
NT CRYSTAL METHODS
NT CUMULATIVE MEASUREMENT METHODS
NT ELECTROSTATIC METHODS
NT GRAVIMETRIC METHODS
NT MASS DETERMINATION
NT MONITORING
NT ODORIMETRY
NT OPTICAL METHODS
NT ORSAT ANALYSIS
NT PHOTOMETRIC METHODS
NT RADIATION MEASURING SYSTEMS
NT SMOKEMETERS
NT SPECIFIC ION ELECTRODE
RT ANALYTICAL METHODS
RT CALIBRATION METHODS
RT INSTRUMENTATION
RT PARTICLE COUNTING
RT PARTICLE INVESTIGATION METHODS
RT QUALITY ASSURANCE
RT REMOTE SENSING
MEAT PACKING PLANTS
S TERM ADDED SEPTEMBER 1974
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT MEAT PRODUCTS INDUSTRY
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT SLAUGHTERING PLANTS
UF SIC 2011
MEAT PRODUCTS INDUSTRY
S TERM ADDED SEPTEMBER 1974
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT MEAT PACKING PLANTS
UF MEAT SMOKING
UF SIC 201
UF SMOKEHOUSES
MEAT SMOKING
USE MEAT PRODUCTS INDUSTRY
MECHANICAL ATOMIZATION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL ATOMIZATION
BT AEROSOL FORMATION
BT AEROSOL PHENOMENA
BT LIQUID ATOMIZATION
MECHANICAL PULPING
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PAPER AND ALLIED MANUFACTURING
BT PULP MILLS
BT SOURCES
BT STATIONARY EMISSION SOURCES
MECHANISMS (REACTION)
USE REACTION MECHANISMS
MEDICAL FACILITIES
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT TREATMENT AND AIDS
MEDICAL PERSONNEL
BT PERSONNEL
MEDICINAL AEROSOLS
USE BIOLOGICAL AND MEDICINAL AEROSOLS
I-73
-------
MEETINGS
THESAURUS
MEETINGS
RT ADMINISTRATION
RT CITIZENS GROUPS
RT TECHNICAL SOCIETIES
UF CONFERENCES
UF CONGRESSES (MEETINGS)
UF CONVENTIONS (MEETINGS)
UF SEMINARS
UF SYMPOSIA
UF WORKSHOPS (MEETINGS)
MELTING
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
BT HEAT TRANSFER
UF THAWING
MEMBRANE FILTRATION
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SEPARATION
UF CONTROLLED PORE FILTRATION
MEMBRANES
BT BIOLOGICAL CONSTITUENTS AND PARTS
MERCAPTANS
BT SULFUR ORGANIC COMPOUNDS
NT METHYL MERCAPTANS
MERCURY
S TERM ADDED APRIL 1967
BT MATERIALS
BT METALS
MERCURY COMPOUNDS
S TERM ADDED APRIL 1967
BT METAL COMPOUNDS
METABOLISM
BT BIOLOGICAL PROCESSES AND FUNCTIONS
RT CELL METABOLISM
RT OXYGEN CONSUMPTION
METAL COMPOUNDS
NT ALUMINUM COMPOUNDS
NT ANTIMONY COMPOUNDS
NT BARIUM COMPOUNDS
NT BERYLLIUM COMPOUNDS
NT BISMUTH COMPOUNDS
NT BORON COMPOUNDS
NT CADMIUM COMPOUNDS
NT CALCIUM COMPOUNDS
NT CERIUM COMPOUNDS
NT CESIUM COMPOUNDS
NT CHROMIUM COMPOUNDS
NT COBALT COMPOUNDS
NT COPPER COMPOUNDS
NT IRON COMPOUNDS
NT LEAD COMPOUNDS
NT LITHIUM COMPOUNDS
NT MAGNESIUM COMPOUNDS
NT MANGANESE COMPOUNDS
NT MERCURY COMPOUNDS
NT MOLYBDENUM COMPOUNDS
NT NICKEL COMPOUNDS
NT PLATINUM COMPOUNDS
NT PLUTONIUM COMPOUNDS
NT POTASSIUM COMPOUNDS
NT SILVER COMPOUNDS
NT SODIUM COMPOUNDS
NT STRONTIUM COMPOUNDS
NT TIN COMPOUNDS
NT TITANIUM COMPOUNDS
NT URANIUM COMPOUNDS
NT VANADIUM COMPOUNDS
NT ZINC COMPOUNDS
NT ZIRCONIUM COMPOUNDS
RT CYANIDES
RT ORGANOMETALLICS
RT SELENIUM COMPOUNDS
RT TELLURIUM COMPOUNDS
METAL FABRICATING AND FINISHING
S SUPERSEDED TERM
USE METAL FABRICATION
METAL FABRICATION
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT COATING, ENGRAVING AND ALLIED SERVICES
UF CASTING
UF GALVANIZING
UF METAL FABRICATING AND FINISHING
UF METAL FABRICATION AND FINISHING
UF METAL FINISHING
UF METALWORKING
UF SIC 34
METAL FABRICATION AND FINISHING
S SUPERSEDED TERM
USE METAL FABRICATION
METAL FINISHING
USE METAL FABRICATION
METAL INDUSTRIES
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
NT IRON AND STEEL FOUNDRIES
NT NONFERROUS FOUNDRIES
NT PRIMARY SMELTING AND REFINING OF
NONFERROUS METALS
NT SECONDARY SMELTING AND REFINING OF
NONFERROUS METALS
RT CORE OVENS
RT CUPOLAS
RT FURNACES
UF PRIMARY METALLURGICAL PROCESSES
UF PRIMARY METALLURGICAL PROCESSING
UF REFINING (METAL)
UF SIC 33
UF SMELTERS (METAL)
UF SMELTING
METAL POISONING
BT DISEASES AND DISORDERS
UF POISONING (METAL)
METALS
BT MATERIALS
NT ALUMINUM
I-74
-------
THESAURUS
MIGRAINE
METALS—Continued
NT
NT
NT
NT
NT
NT
NT
NT
NT
NT
NT
NT
NT
NT
NT
NT
NT
NT
NT
NT
BERYLLIUM
BISMUTH
CADMIUM
CHROMIUM
COPPER
FERROALLOYS
GOLD
IRON
LEAD
MAGNESIUM
MANGANESE
MERCURY
MOLYBDENUM
NICKEL
PLATINUM
TIN
TITANIUM
VANADIUM
ZINC
ZIRCONIUM
METALWORKING
USE METAL FABRICATION
METEOROLOGICAL CHARTS
USE WEATHER MAPS
METEOROLOGICAL INSTRUMENTS
NT ANEMOMETERS
NT BALLOONS
NT BAROMETERS
NT HYGROMETERS
NT RADIOSONDES
RT INSTRUMENTATION
METEOROLOGY
BT ATMOSPHERIC PHENOMENA
NT ATMOSPHERIC MOVEMENTS
NT CONDENSATION (ATMOSPHERIC)
NT HUMIDITY
NT MICROMETEOROLOGY
NT PRECIPITATION
NT PRESSURE (ATMOSPHERIC)
NT TEMPERATURE (ATMOSPHERIC)
NT WEATHER FORECASTING
NT WEATHER MAPS
NT WEATHER MODIFICATION
METHANES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
METHEMOGLOBINS
USE HEMOGLOBIN
METHYL MERCAPTANS
S TERM ADDED SEPTEMBER 1974
BT MERCAPTANS
BT SULFUR ORGANIC COMPOUNDS
METHYL SULFIDE
S TERM ADDED SEPTEMBER 1974
BT SULFUR ORGANIC COMPOUNDS
METROPOLITAN AREAS
S TERM ADDED SEPTEMBER 1974
NT SUBURBAN AREAS
NT URBAN AREAS
RT NON-METROPOLITAN AREAS
RT RESIDENTIAL AREAS
UF STANDARD METROPOLITAN STATISTICAL AREAS
MEUSE VALLEY
BT BELGIUM
BT EUROPE
BT WESTERN EUROPE
RT VALLEYS
MEXICAN
USE SPANISH
MEXICO
BT AMERICA
BT LATIN AMERICA
MHD (ELECTRIC POWER GENERATION)
USE MAGNETOHYDRODYNAMICS (MHD)
MICE
BT ANIMALS
BT ANIMALS (NON-HUMAN)
MICHIGAN
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NT DETROIT
MICROBES
USE MICROORGANISMS
MICROGRAPHY
USE PHOTOMICROGRAPHY
MICROMETEOROLOGY
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
MICROORGANISMS
NT BACTERIA
NT FUNGI
NT PROTOZOA
NT SPORES
NT VIRUSES
RT ALGAE
RT CULTURE MEDIA
UF GERMS
UF MICROBES
UF MICROSCOPIC ORGANISMS
MICROSCOPIC ORGANISMS
USE MICROORGANISMS
MICROSCOPY
BT MEASUREMENT METHODS
BT OPTICAL METHODS
RT ELECTRON MICROSCOPY
RT PHOTOMICROGRAPHY
MIDDLE ATMOSPHERE
BT ALTITUDE
BT ATMOSPHERIC PHENOMENA
MIGRAINE
USE HEADACHE
I-75
-------
MILDEW
THESAURUS
MILDEW
USE FUNGI
MILITARY AIRCRAFT
S TERM ADDED SEPTEMBER 1974
BT AIRCRAFT
BT MOBILE EMISSION SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
MILK
BT FOOD
MILL COSTS
USE OPERATING COSTS
MINERAL ACIDS
USE INORGANIC ACIDS
MINERALOGICAL ANALYSIS
S TERM ADDED SEPTEMBER 1974
BT ANALYTICAL METHODS
MINERAL PROCESSING
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
MINERAL PRODUCTS
BT MATERIALS
NT ASBESTOS
NT CLAY
NT GRAPHITE
NT GYPSUM
NT KAOLIN
NT LIMESTONE
NT MINERAL WOOL
NT QUARTZ
NT ZEOLITES
MINERAL WOOL
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
BT MINERAL PRODUCTS
MINERAL WOOL PRODUCTION
USE STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
MINES (EXCAVATIONS)
USE MINING
MINING
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT COAL CLEANING PLANTS
NT PETROLEUM PRODUCTION
RT GOBPILE BURNING (COAL REFUSE)
RT TUNNELS
UF COAL MINING
UF MINES (EXCAVATIONS)
MINNESOTA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
MINT
S TERM ADDED SEPTEMBER 1974
BT ORNAMENTALS
BT PLANTS (BOTANY)
MISCIBILITY
USE SOLUBILITY
MISSILE AND SPACECRAFT LAUNCH VEHICLES
S TERM ADDED APRIL 1967
BT MOBILE EMISSION SOURCES
BT SOURCES
RT ROCKET ENGINES
RT SATELLITES (ARTIFICIAL)
UF LAUNCH VEHICLES (MISSILE AND SPACECRAFT)
UF MISSILES AND ROCKETS
UF SPACECRAFT LAUNCH VEHICLES
MISSILES AND ROCKETS
S SUPERSEDED TERM
USE MISSILE AND SPACECRAFT LAUNCH VEHICLES
MISSISSIPPI
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
MISSOURI
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NT ST LOUIS
MIST ELIMINATORS
S TERM ADDED SEPTEMBER 1974
BT COLLECTORS (MECHANICAL)
BT CONTROL EQUIPMENT-GAS STREAMS
UF DEMISTERS
MISTS
BT PARTICULATES
BT POLLUTANTS
BT SUSPENDED PARTICULATES
RT SPRAYS
MITOCHONDRIA
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT CELLS (BIOLOGY)
MIXED CONDENSATION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL CONDENSATION
BT AEROSOL FORMATION
BT AEROSOL PHENOMENA
MIXING
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
MIXING HEIGHT
S TERM ADDED SEPTEMBER 1974
BT ATMOSPHERIC PHENOMENA
MOBILE
RT PORTABLE
UF MOVABLE
I-76
-------
THESAURUS
MOTOR VEHICLE ASSEMBLY PLANTS
MOBILE EMISSION SOURCES
S TERM ADDED SEPTEMBER 1974
BT SOURCES
NT MISSILE AND SPACECRAFT LAUNCH VEHICLES
NT TRANSPORTATION METHODS
MOBILITY
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
MODELS (DIFFUSION)
USE DIFFUSION MODELS
MODELS (MATHEMATICAL)
USE MATHEMATICAL MODELING
MODELS (SIMULATION)
USE SIMULATION
MOISTENING
USE WETTING
MOLDAVIAN
S LANGUAGE
MOLDS (ORGANISMS)
USE FUNGI
MOLECULAR ASSOCIATION
USE INTERMOLECULAR FORCES
MOLECULAR EXCHANGE
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
MOLECULAR SIEVES
USE ABSORBERS (MATERIALS)
MOLTEN CARBONATE PROCESS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
MOLYBDENUM
BT MATERIALS
BT METALS
MOLYBDENUM COMPOUNDS
BT METAL COMPOUNDS
MOLYBDENUM SILICON PRODUCTION-E
S BY ELECTROMETALLURGICAL PROCESSES
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT ELECTROMETALLURGICAL PRODUCTS MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
MONGOLIAN
S LANGUAGE
MONITORING
BT MEASUREMENT METHODS
NT CONTINUOUS MONITORING
NT INTERMITTENT MONITORING
NT SOURCE MONITORING
UF AIR POLLUTION MONITORS
UF POLLUTION MONITORING
MONKEYS
USE PRIMATES (NON-HUMAN)
MONOCYTES
USE LEUKOCYTES
MONODISPERSE ATOMIZATION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL ATOMIZATION
BT AEROSOL FORMATION
BT AEROSOL PHENOMENA
MONODISPERSE CONDENSATION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL CONDENSATION
BT AEROSOL FORMATION
BT AEROSOL PHENOMENA
MONTANA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
MONTHLY
RT ANNUAL
RT SEASONAL
RT WEEKLY
MORBIDITY
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
MORTALITY
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
UF DEATHS
MOSSES
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
UF BRYOPHYTES
UF EPIPHYTES
UF MUSCI
MOTION PICTURES
S TERM ADDED SEPTEMBER 1974
BT PHOTOGRAPHIC METHODS
BT RECORDING METHODS
UF MOVING PICTURES
MOTORCYCLES
S TERM ADDED SEPTEMBER 1974
BT LIGHT-DUTY VEHICLES
BT MOBILE EMISSION SOURCES
BT MOTOR VEHICLE SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
UF MOTOR SCOOTERS
MOTOR SCOOTERS
USE MOTORCYCLES
MOTOR VEHICLE ASSEMBLY PLANTS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
I-77
-------
MOTOR VEHICLE ENGINES
THESAURUS
MOTOR VEHICLE ASSEMBLY PLANTS—Continued
BT SOURCES
BT STATIONARY EMISSION SOURCES
BT TRANSPORTATION EQUIPMENT MANUFACTURING
MOTOR VEHICLE ENGINES
USE ENGINES
MOTOR VEHICLE INSPECTION
USE INSPECTION
MOTOR VEHICLE MAINTENANCE
USE MAINTENANCE
MOTOR VEHICLE SOURCES
BT MOBILE EMISSION SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
NT BRAKE LINING ATTRITION
NT HEAVY-DUTY VEHICLES
NT LIGHT-DUTY VEHICLES
NT OFF-ROAD VEHICLES
NT TIRE ATTRITION
NT VEHICULAR TRAFFIC
RT ENGINE EMISSIONS
RT ENGINE OPERATING CYCLES
UF VEHICLES
MOTTLING
BT PLANT DAMAGE
MOUNTAINS
BT TOPOGRAPHIC LOCATIONS
UF RANGES (MOUNTAINS)
MOUTH
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT DIGESTIVE SYSTEM
MOVABLE
USE MOBILE
MOVING PICTURES
USE MOTION PICTURES
M/S-CONTRACT
S METHOD OF SUPPORT FOR APTIC NO 0 100032
M/S-FEDERAL
S METHOD OF SUPPORT FOR APTIC NO 0 100032
M/S-FELL GRT
S METHOD OF SUPPORT FOR APTIC NO 0 100032
M/S-INHOUSE
S METHOD OF SUPPORT FOR APTIC NO 0 100032
M/S-NONE
S METHOD OF SUPPORT FOR APTIC NO 0 100032
M/S-PROG GRT
S METHOD OF SUPPORT FOR APTIC NO 0 100032
M/S-RES GRT
S METHOD OF SUPPORT FOR APTIC NO 0 100032
MUFFLE FURNACES
S TERM ADDED SEPTEMBER 1974
BT ORGANIC MATTER REMOVAL
MULBERRIES
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
MULES
BT ANIMALS
BT ANIMALS (NON-HUMAN)
MULTICYCLONES
USE CYCLONES (CONTROL)
MULTIPLE CHAMBER INCINERATORS
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INCINERATORS (REFUSE)
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
MULTIPLE-SOURCE STACKS
S TERM ADDED SEPTEMBER 1974
BT STACKS
MUNICIPAL GOVERNMENT
USE CITY GOVERNMENTS
MUNICIPAL INCINERATORS
S TERM ADDED SEPTEMBER 1974
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INCINERATORS (REFUSE)
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
MUNICIPALITIES
USE URBAN AREAS
MUSCI
USE MOSSES
MUSCLES
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL CONSTITUENTS AND PARTS
MUTAGENESIS
BT DISEASES AND DISORDERS
UF MUTATIONS
MUTATIONS
USE MUTAGENESIS
N2O
USE NITROUS OXIDE (N2O)
NAILS (ANATOMY)
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT INTEGUMENTARY SYSTEM
NAPHTHACENES
BT HYDROCARBONS
BT POLYNUCLEAR COMPOUNDS
NAPHTHALENES
BT HYDROCARBONS
I-78
-------
THESAURUS
NEW HAMPSHIRE
NAPHTHALENES—Continued
BT
UF
POLYNUCLEAR COMPOUNDS
NAPHTHYL COMPOUNDS
NAPHTHENES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
NAPHTHYL COMPOUNDS
USE NAPHTHALENES
NARCISSUS
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
NASHVILLE
BT AMERICA
BT NORTH AMERICA
BT TENNESSEE
BT UNITED STATES
NATIONAL AIR SAMPLING NETWORK (NASN)
BT ADMINISTRATION
BT AIR QUALITY MEASUREMENT PROGRAMS
BT PLANS AND PROGRAMS
RT NETWORKS
NATIONAL AMBIENT AIR QUALITY STANDARDS
USE AIR QUALITY STANDARDS
NATIONAL EMISSIONS DATA SYSTEM (NEDS)
USE DATA HANDLING SYSTEMS
NATIONAL GOVERNMENTS
BT GOVERNMENTS
RT HOUSE HEARINGS
RT SENATE HEARINGS
UF FEDERAL GOVERNMENTS
NATURAL ABUNDANCE
USE AVAILABILITY
NATURAL DRAFT COOLING TOWERS
USE COOLING TOWERS
NATURAL EMISSION SOURCES
S TERM ADDED SEPTEMBER 1974
BT NON-INDUSTRIAL EMISSION SOURCES
(STATIONARY)
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT BIOLOGICAL DECAY
NT BOTANICAL SOURCES
NT FOREST FIRES
NT VOLCANOES
NATURAL GAS
BT FUEL GASES
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT SYNTHETIC NATURAL GAS (SNG)
NATURAL GAS SWEETENING
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT FUEL TREATMENT
NAUSEA
BT DISEASES AND DISORDERS
NEBRASKA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NECROSIS
BT PLANT DAMAGE
NEDS (NATIONAL EMISSIONS DATA SYSTEM)
USE DATA HANDLING SYSTEMS
NEEDLES
S TERM ADDED SEPTEMBER 1974
BT LEAVES
NEOPRENE MANUFACTURING
USE SYNTHETIC RUBBER PLANTS
NEPHELOMETER
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
BT TURBIDIMETRY
NERVES
USE NERVOUS SYSTEM
NERVOUS SYSTEM
BT BIOLOGICAL CONSTITUENTS AND PARTS •
UF NERVES
NETHERLANDISH
S LANGUAGE
UF DUTCH
NETHERLANDS
S TERM ADDED MAY 1972
BT EUROPE
BT WESTERN EUROPE
NETWORKS
S TERM ADDED SEPTEMBER 1974
RT NATIONAL AIR SAMPLING NETWORK (NASN)
NEUTRAL CONDITION
BT ATMOSPHERIC PHENOMENA
BT STABILITY (ATMOSPHERIC)
NEUTRON ACTIVATION
S SUPERSEDED TERM
USE NEUTRON ACTIVATION ANALYSIS
NEUTRON ACTIVATION ANALYSIS
BT ANALYTICAL METHODS
UF NEUTRON ACTIVATION
UF RADIOACTIVATION ANALYSIS (NEUTRON)
NEVADA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NEW HAMPSHIRE
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
I-79
-------
NEW JERSEY
THESAURUS
NEW JERSEY
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NEW MEXICO
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NEW ORLEANS
BT AMERICA
BT LOUISIANA
BT NORTH AMERICA
BT UNITED STATES
NEW YORK CITY
BT AMERICA
BT NEW YORK STATE
BT NORTH AMERICA
BT UNITED STATES
UF MANHATTAN (NY)
NEW YORK STATE
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NT NEW YORK CITY
NEW ZEALAND
S TERM ADDED SEPTEMBER 1974
BT AUSTRALASIA
BT SOUTH PACIFIC
NICKEL
BT MATERIALS
BT METALS
NT NICKEL ALLOYS
NICKEL ALLOYS
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
BT METALS
BT NICKEL
NICKEL COMPOUNDS
BT METAL COMPOUNDS
NICOTINES
BT NITROGEN ORGANIC COMPOUNDS
NIGHT-DAY
USE DIURNAL
NITRATES
NT NITROMETHANE
NT PEROXYACYL NITRATES
NITRATION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT CHEMICAL REACTIONS
NITRIC
S SUPERSEDED TERM
USE NITRIC ACID
NITRIC ACID
BT ACIDS
BT INORGANIC ACIDS
UF NITRIC
NITRIC ACID PLANTS
S TERM ADDED SEPTEMBER 1974
BT AGRICULTURAL CHEMICAL PLANTS
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT NITROGENOUS FERTILIZER PLANTS
BT SOURCES
BT STATIONARY EMISSION SOURCES
NITRIC ANHYDRIDE (N2O5)
BT NITROGEN OXIDES
BT OXIDES
NITRIC OXIDE (NO)
BT NITROGEN OXIDES
BT OXIDES
UF NO
NITRILES
RT CYANIDES
RT NITROGEN ORGANIC COMPOUNDS
NITRITES
NT NITROSO
NITROGEN
RT GASES
NITROGEN DIOXIDE (NO2)
BT NITROGEN OXIDES
BT OXIDES
UF NITROGEN TETROXIDE
NITROGEN ORGANIC COMPOUNDS
NT ACRIDINES
NT AMIDES
NT AMINES
NT AZINES
NT AZOLES
NT CARBAZOLES
NT NICOTINES
NT PYRIDINES
NT QUINOLINES
NT QUINOXALINE
RT AMINO ACIDS
RT HYDRAZONES
RT NITRILES
UF ORGANIC NITROGEN COMPOUNDS
NITROGENOUS FERTILIZER PLANTS
S TERM ADDED SEPTEMBER 1974
BT AGRICULTURAL CHEMICAL PLANTS
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT NITRIC ACID PLANTS
UF AMMONIA PLANTS (ANHYDROUS)
UF AMMONIUM NITRATE PLANTS
UF SIC 2873
UF UREA MANUFACTURING
NITROGEN OXIDE (N2O)
USE NITROUS OXIDE (N2O)
-80
-------
THESAURUS
NON-SMOKERS
NITROGEN OXIDES
BT OXIDES
NT NITRIC ANHYDRIDE (N2O5)
NT NITRIC OXIDE (NO)
NT NITROGEN DIOXIDE (NO2)
NT NITROGEN TRIOXIDE (NO3)
NT NITROUS ANHYDRIDE (N2O3)
NT NITROUS OXIDE (N2O)
NITROGEN TETROXIDE
USE NITROGEN DIOXIDE (NO2)
NITROGEN TRIOXIDE (NO3)
BT NITROGEN OXIDES
BT OXIDES
NITROMETHANE
BT NITRATES
NITROSAMINES
USE AMINES
NITROSO
BT NITRITES
NITROTOLUENES
S TERM ADDED SEPTEMBER 1974
BT AROMATIC HYDROCARBONS
BT HYDROCARBONS
RT TOLUENES
NITROUS ACID
BT ACIDS
BT INORGANIC ACIDS
NITROUS ANHYDRIDE (N203)
BT NITROGEN OXIDES
BT OXIDES
NITROUS ANHYDRIDE (N2O3)
BT NITROGEN OXIDES
BT OXIDES
NITROUS OXIDE (N2O)
BT NITROGEN OXIDES
BT OXIDES
UF N20
UF NITROGEN OXIDE (N2O)
NO
USE NITRIC OXIDE (NO)
NO-EFFECT LEVEL
USE THRESHOLDS
NOMENCLATURE
USE TERMINOLOGY
NONCLAY REFRACTORIES PRODUCTION
USE STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
NON-DISPERSIVE INFRARED SPECTROMETRY
S TERM ADDED SEPTEMBER 1974
BT ANALYTICAL METHODS
BT INFRARED SPECTROMETRY
BT SPECTROMETRY
NONE
S METHOD OF SUPPORT FOR APTIC NO 0 100032
NONFERROUS ADDITION ALLOY PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT ELECTROMETALLURGICAL PRODUCTS MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NONFERROUS FOUNDRIES
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT BRASS, BRONZE, AND COPPER FOUNDRIES
UF ALUMINUM CASTING
UF FOUNDRIES (NONFERROUS)
UF SIC 336
NON-INDUSTRIAL EMISSION SOURCES (NEC)
S TERM ADDED SEPTEMBER 1974
BT SOURCES
NT COSMIC AND METEORITIC SOURCES
NT WATER BODIES
NON-INDUSTRIAL EMISSION SOURCES (STATIONARY)
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT NATURAL EMISSION SOURCES
NT RESIDENTIAL SOURCES
NT STRUCTURE FIRES
UF NON-INDUSTRIAL EMISSION SOURCES
NON-INDUSTRIAL EMISSION SOURCES
S SUPERSEDED TERM
USE NON-INDUSTRIAL EMISSION SOURCES
(STATIONARY)
NON-METHANE HYDROCARBONS
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL COMPOSITION
NON-METROPOLITAN AREAS
NT FARMS
NT RECREATION AREAS
NT RURAL AREAS
RT METROPOLITAN AREAS
UF NON-URBAN AREAS
NON-RESIDENTIAL OPERATIONS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT REAL PROPERTY OPERATIONS
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT SHOPPING CENTERS
NT SPORTS COMPLEXES
UF AMUSEMENT PARKS
UF SIC 6512
NON-SMOKERS
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT SMOKING
1-81
-------
NONUNIFORM AEROSOL MOTION
THESAURUS
NONUNIFORM AEROSOL MOTION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL MECHANICS
BT AEROSOL PHENOMEMA
BT PARTICULATE PROPERTIES
NON-URBAN AREAS
USE NON-METROPOLITAN AREAS
NORTH AMERICA
S TERM ADDED SEPTEMBER 1974
BT AMERICA
NT CANADA
NT UNITED STATES
NORTH CAROLINA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NORTH DAKOTA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NORWAY
BT EUROPE
BT SCANDINAVIA
BT WESTERN EUROPE
NORWEGIAN
S LANGUAGE
NOSE
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT RESPIRATORY SYSTEM
RT SINUSES
UF NOSTRILS
NOSTRILS
USE NOSE
NOX CONTROL
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT WASTE GAS CONTROL
NT AMMONIA REDUCTION
NUCLEAR
S SUPERSEDED TERM
USE NUCLEAR POWER
NUCLEAR ENERGY
USE NUCLEAR POWER
NUCLEAR EXPLOSIONS
BT EXPLOSIONS
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF ATOMIC EXPLOSIONS
NUCLEAR FUSION POWER
USE FUSION POWER
NUCLEAR POWER
BT POWER SOURCES
BT SOURCES
NT FISSION POWER
NT FUSION POWER
UF ATOMIC ENERGY
UF ATOMIC POWER
UF NUCLEAR
UF NUCLEAR ENERGY
NUCLEAR POWER PLANTS
BT ELECTRIC POWER GENERATION
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT REACTORS (NUCLEAR)
UF ATOMIC POWER PLANTS
NUCLEAR REACTIONS
BT CHEMICAL AND PHYSICAL PHENOMENA
RT RADIOACTIVE RADIATION
NUCLEAR REACTORS
USE REACTORS (NUCLEAR)
NUCLEATION
BT CHEMICAL AND PHYSICAL PHENOMENA
RT PARTICLE GROWTH
NUCLEI
USE CONDENSATION NUCLEI
NUCLEIC ACIDS
S TERM ADDED APRIL 1967
BT BIOCHEMISTRY
BT BIOLOGICAL FACTORS
NT RIBONUCLEIC ACIDS
NUCLEOTIDES
S TERM ADDED SEPTEMBER 1974
BT BIOCHEMISTRY
BT BIOLOGICAL FACTORS
NUTRIENTS
S TERM ADDED SEPTEMBER 1974
BT BIOCHEMISTRY
BT BIOLOGICAL FACTORS
NT VITAMINS
NYLON
BT MATERIALS
BT SYNTHETIC FIBERS
BT TEXTILES
NYLON FIBERS MANUFACTURING
USE PLASTICS MATERIALS AND SYNTHETICS PLANTS
OAK TREES
S TERM ADDED SEPTEMBER 1974
BT DECIDUOUS TREES
BT PLANTS (BOTANY)
BT TREES
OATS
BT CROPS
BT PLANTS (BOTANY)
OCCUPATIONAL HEALTH
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
RT HEALTH IMPAIRMENT
RT SILICOSIS
UF INDUSTRIAL HEALTH
I-82
-------
THESAURUS
OPEN BURNING
OCEANS
BT BODIES OF WATER
BT TOPOGRAPHIC LOCATIONS
UF SEAS
OCR PROCESSES
S OFFICE OF COAL RESEARCH PROCESSES
BT COAL PREPARATION
BT CONTROL METHODS
BT FUEL TREATMENT
OCTANES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
ODOR (SENSE OF)
USE OLFACTION
ODOR CONTROL
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
NT ODOR COUNTERACTION
NT ODOR MASKING
ODOR COUNTERACTION
BT CONTROL METHODS
BT ODOR CONTROL
UF COUNTERACTION (ODOR)
ODORIMETRY
BT MEASUREMENT METHODS
ODOR MASKING
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT ODOR CONTROL
UF MASKING
ODOROUS POLLUTANTS
BT POLLUTANTS
RT OLFACTION
RT SEWERAGE SYSTEMS
UF MALODOROUS POLLUTANTS
UF ODORS
UF SMELL (POLLUTANT)
ODORS
USE ODOROUS POLLUTANTS
OFF-ROAD VEHICLES
S TERM ADDED SEPTEMBER 1974
BT MOBILE EMISSION SOURCES
BT MOTOR VEHICLE SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
UF EARTH MOVERS
UF GRADERS
UF TRACKED VEHICLES
UF TRACTORS
OHIO
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NT CINCINNATI
OIL BURNERS
BT FURNACES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT GUN-TYPE OIL BURNERS
NT ROTARY OIL BURNERS
RT FUEL OILS
UF BURNERS (OIL)
OIL PRODUCTION (FOOD)
USE FAT AND OIL PRODUCTION
OIL REFINING
USE PETROLEUM REFINING
OIL RESOURCES
USE FUEL RESOURCES
OILS (FUEL)
USE FUEL OILS
OIL STORAGE
USE POL STORAGE
OIL PRODUCTION (PETROLEUM)
USE PETROLEUM PRODUCTION
OKLAHOMA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
OLEFIN FIBER MANUFACTURING
USE PLASTICS MATERIALS AND SYNTHETICS PLANTS
OLEFINS
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
NT ACETYLENES
NT AMYLENES
NT BUTENES
NT DIOLEFINS
NT ETHYLENE
NT HEPTENES
NT HEXENES
NT PENTENES
NT PROPENES
UF ALKENE HYDROCARBONS
OLEUM
USE SULFURIC ACID
OLFACTION
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL PROCESSES AND FUNCTIONS
RT ODOROUS POLLUTANTS
UF ODOR (SENSE OF)
UF SMELL (SENSE)
ONIONS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
OPACITY METERS
S TERM ADDED SEPTEMBER 1974
BT MEASUREMENT METHODS
BT PHOTOMETRIC METHODS
OPEN BURNING
BT BURNING
BT SOURCES
I-83
-------
OPEN HEARTH FURNACES
THESAURUS
OPEN BURNING—Continued
BT STATIONARY EMISSION SOURCES
UF DUMP BURNING
OPEN HEARTH FURNACES
BT FURNACES
BT SOURCES
BT STATIONARY EMISSION SOURCES
OPEN PIT INCINERATORS
S TERM ADDED SEPTEMBER 1974
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INCINERATORS (REFUSE)
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
OPERATING
S SUPERSEDED TERM
USE OPERATING CRITERIA
OPERATING COSTS
S TERM ADDED SEPTEMBER 1974
BT COSTS
BT ECONOMICS
UF MANUFACTURING COSTS
UF MILL COSTS
OPERATING CRITERIA
BT CRITERIA
UF OPERATING
OPERATING SCHEDULES
S TERM ADDED SEPTEMBER 1974
RT COMPLIANCE SCHEDULES
UF SCHEDULES (OPERATING)
OPERATING VARIABLES
S TERM ADDED SEPTEMBER 1974
RT EFFICIENCY
RT ENGINE OPERATING CYCLES
RT PROCESS MODIFICATION
OPINION SURVEYS
BT PUBLIC AFFAIRS
RT QUESTIONNAIRES
RT SOCIAL ATTITUDES
UF ATTITUDE SURVEYS
UF SURVEYS (OPINION)
OPTICAL METHODS
S TERM ADDED SEPTEMBER 1974
BT MEASUREMENT METHODS
NT MACRO-OPTICAL METHODS
NT MICROSCOPY
OPTICAL PROPERTIES
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIES
RT COLOR
ORANGES
S TERM ADDED SEPTEMBER 1974
BT CITRUS
BT FRUITS
BT PLANTS (BOTANY)
ORCHARD HEATERS (FROST CONTROL)
S TERM ADDED SEPTEMBER 1974
BT AGRICULTURAL SERVICES
BT AGRICULTURE INDUSTRY
BT CROP SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT PLANT PROTECTION
BT SOURCES
BT STATIONARY EMISSION SOURCES
ORCHARDS
BT PLANTS (BOTANY)
RT FRUITS
ORCHID
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS(BOTANY)
ORDINANCES
USE LEGISLATION
OREGON
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
ORGAN CULTURES
USE TISSUE CULTURES
ORGANIC
S SUPERSEDED TERM
USE ORGANIC ACIDS
ORGANIC ACIDS
BT ACIDS
NT ACETIC ACID
NT ADIPIC ACID
NT BENZOIC ACID
NT FORMIC ACID
NT HYDROCYANIC ACID
NT PHTHALIC ACID
NT SULFONIC ACID
RT ESTERS
UF ORGANIC
ORGANIC BONDS
USE CHEMICAL BONDS
ORGANIC DISEASES
BT DISEASES AND DISORDERS
RT RESPIRATORY DISEASES
ORGANIC FIBERS MANUFACTURING (NONCELLULOSIC)
USE PLASTICS MATERIALS AND SYNTHETICS PLANTS
ORGANIC LIQUID SORPTION
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT WASTE GAS CONTROL
ORGANIC MATTER REMOVAL
S TERM ADDED SEPTEMBER 1974
NT LOW TEMPERATURE ASHING
NT MUFFLE FURNACES
I-84
-------
THESAURUS
OXIDES
ORGANIC NITROGEN COMPOUNDS
USE NITROGEN ORGANIC COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
USE PHOSPHORUS ORGANIC COMPOUNDS
ORGANIC SOLID SORPTION
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT WASTE GAS CONTROL
ORGANIC SOLVENTS
USE SOLVENTS
ORGANIC SULFUR COMPOUNDS
USE SULFUR ORGANIC COMPOUNDS
ORGANIC WASTES
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT BAGASSE
UF WASTES (ORGANIC)
ORGANOMETALLICS
RT METAL COMPOUNDS
RT TETRAETHYL LEAD
RT TETRAMETHYL LEAD
ORIENTATION (DIRECTION)
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
RT CRYSTAL STRUCTURE
UF DIRECTION (ORIENTATION)
ORIGINAL (FIELD)
S A TTRIBUTE
UF FLD
ORIGINAL (LABORATORY)
S A TTRIBUTE
UF LAB
ORIGINAL (THEORETICAL)
S ATTRIBUTE
UF THEO
ORLON
BT MATERIALS
BT SYNTHETIC FIBERS
BT TEXTILES
ORNAMENTALS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
NT BRIDAL WREATH
NT LILAC
NT MINT
NT PRIVET
NT RHODODENDRON
NT SNOWBERRY
ORSAT ANALYSIS
BT MEASUREMENT METHODS
OSAKA
BT ASIA
BT JAPAN
OTTO CYCLE ENGINES
USE SPARK IGNITION ENGINES
OUTPATIENT VISITS
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
RT HUMANS
OVERFEED METHODS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT FIRING METHODS
BT FUEL CHARGING
BT PROCESS MODIFICATION
OVERFIRE AIR
BT COMBUSTION AIR
BT CONTROL METHODS
BT FIRING METHODS
BT PROCESS MODIFICATION
OVERHEAD (ECONOMICS)
USE ECONOMICS
OWENS JET DUST COUNTERS
BT PARTICLE COUNTING
BT PARTICLE INVESTIGATION METHODS
OXALATES
USE ESTERS
OXIDANT PRECURSORS
BT POLLUTANT PRECURSORS
BT POLLUTANTS
OXIDANTS
BT POLLUTANTS
RT OZONE
RT PEROXIDES
RT PEROXYACETYL NITRATE
RT PEROXYACYL NITRATES
RT PEROXYBUTYL NITRATE
RT PEROXYPROPYL NITRATE
UF OXIDIZERS (AIR POLLUTANTS)
UF PHOTOCHEMICAL OXIDANTS
OXIDATION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT CHEMICAL REACTIONS
RT BLACK LIQUOR OXIDATION
RT COMBUSTION
RT CORROSION
RT PHOTOOXIDATION
OXIDES
NT ALUMINUM OXIDES
NT BERYLLIUM OXIDES
NT CARBON DIOXIDE
NT CARBON MONOXIDE
NT CHROMIUM OXIDES
NT IRON OXIDES
NT NITROGEN OXIDES
NT PEROXIDES
NT SILICON DIOXIDE
NT SULFUR OXIDES
NT ZINC OXIDES
I-85
-------
OXIDIZERS (AIR POLLUTANTS)
OXIDES—Continued
THESAURUS
RT
RT
ETHERS
HYDROXIDES
OXIDIZERS (AIR POLLUTANTS)
USE OXIDANTS
OXYGEN
RT GASES
RT OZONE
OXYGENATED FRACTIONS
BT BENZENE-SOLUBLE ORGANIC MATTER
BT CHEMICAL COMPOSITION
OXYGEN CONSUMPTION
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT RESPIRATORY FUNCTIONS
RT METABOLISM
OXYGEN DEFICIENCY
USE HYPOXIA
OXYGEN DIFFUSION
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT PULMONARY FUNCTION
BT RESPIRATORY FUNCTIONS
UF DIFFUSION (OXYGEN)
OXYGEN LANCING
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT BLAST FURNACES AND STEEL MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF LANCING (OXYGEN)
OXYGEN MASKS
BT CONTROL EQUIPMENT-GAS STREAMS
BT PROTECTIVE MASKS
OZONE
RT OXIDANTS
RT OXYGEN
OZONESONDES
BT METEOROLOGICAL INSTRUMENTS
BT RADIOSONDES
PACKED TOWERS
BT CONTROL EQUIPMENT-GAS STREAMS
BT SCRUBBERS
PAINT DIPPING
USE SURFACE COATING OPERATIONS
PAINT MANUFACTURING
USE PAINTS AND ALLIED PRODUCTION
PAINT REMOVERS
BT POLLUTANTS
BT SOLVENTS
PAINTS
BT MATERIALS
BT SURFACE COATINGS
PAINTS AND ALLIED PRODUCTION
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF PAINT MANUFACTURING
UF SIC 285
UF VARNISH MANUFACTURING
PAINT SPRAYING
USE SURFACE COATING OPERATIONS
PAN
USE
PEROXYACETYL NITRATE
PANJABI
S LANGUAGE
PAPER
BT MATERIALS
NT FILTER PAPER
PAPER AND ALLIED MANUFACTURING
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT BUILDING PAPER AND BOARD MILLS
NT PAPER MILLS
NT PAPERBOARD MILLS
NT PULP MILLS
UF SIC 26
PAPERBOARD MILLS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PAPER AND ALLIED MANUFACTURING
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF CHIPBOARD MILLS
UF SIC 263
PAPER CHROMATOGRAPHY
BT ANALYTICAL METHODS
BT CHROMATOGRAPHY
PAPER MANUFACTURING
USE PAPER MILLS
PAPER MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PAPER AND ALLIED MANUFACTURING
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT PULP MILLS
UF PAPER MANUFACTURING
UF SIC 262
PARAFIN COMPOUNDS
USE ALIPHATIC HYDROCARBONS
PARAMECIA
BT ANIMALS
BT ANIMALS (NON-HUMAN)
BT INVERTEBRATES
I-86
-------
THESAURUS
PARTICULATE PROPERTIES
PARIS
S TERM ADDED APRIL 1967
BT EUROPE
BT FRANCE
BT WESTERN EUROPE
PARKING FACILITIES
S TERM ADDED SEPTEMBER 1974
RT COMPLEX SOURCES
RT TRANSPORTATION CONTROL PLANS
UF SIC 752
PARKS
USE RECREATION AREAS
PARTICLEBOARD MANUFACTURING
USE LUMBER AND WOOD PRODUCTS INDUSTRY
PARTICLE COLLECTORS
USE COLLECTORS (MECHANICAL)
PARTICLE COUNTERS
USE PARTICLE COUNTING
PARTICLE COUNTING
BT PARTICLE INVESTIGATION METHODS
NT AITKEN COUNTERS
NT ELECTROSTATIC COUNTERS
NT KONIMETERS
NT OWENS JET DUST COUNTERS
RT MEASUREMENT METHODS
UF COUNTERS (PARTICLE)
UF PARTICLE COUNTERS
PARTICLE ENTRAPMENT
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
UF ENTRAPMENT (PARTICLE)
UF PARTICLE RESUSPENSION
UF RESUSPENSION (PARTICLE)
PARTICLE GROWTH
BT CHEMICAL AND PHYSICAL PHENOMENA
RT NUCLEATION
UF AGGLOMERATION
UF GROWTH (PARTICLE)
PARTICLE INVESTIGATION METHODS
S TERM ADDED SEPTEMBER 1974
NT PARTICLE COUNTING
NT PARTICLE SEPARATION
NT PARTICLE SIZE CLASSIFICATION
NT TURBIDIMETRY
RT MEASUREMENT METHODS
RT PARTICULATE SAMPLING
PARTICLE RESUSPENSION
USE PARTICLE ENTRAPMENT
PARTICLES
USE PARTICULATES
PARTICLE SEPARATION
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
NT BAFFLE SEPARATION
NT CONDENSATION SEPARATION
NT ELECTROSTATIC SEPARATION (PARTICLE)
NT FIBER FILTRATION
NT FOAM SEPARATION
NT IMPACTION
NT IMPINGEMENT
NT INERTIAL SEPARATION (MEASUREMENT)
NT MEMBRANE FILTRATION
NT POROUS, GRANULAR, AND FRITTED FILTRATION
NT SOLUBLE/VOLATILE FILTRATION
NT THERMAL PRECIPITATION
PARTICLE SHAPE
BT AEROSOL PHENOMENA
BT PARTICLE SIZE, SHAPE, AND STRUCTURE
BT PARTICULATE PROPERTIES
NT IRREGULAR PARTICLES
NT SPHERICAL PARTICLES
RT PARTICLE SIZE CLASSIFICATION
UF SHAPE (PARTICLE)
PARTICLE SIZE
BT AEROSOL PHENOMENA
BT PARTICLE SIZE, SHAPE, AND STRUCTURE
BT PARTICULATE PROPERTIES
RT PARTICLE SIZE CLASSIFICATION
UF SIZE (PARTICLE)
PARTICLE SIZE CLASSIFICATION
BT PARTICLE INVESTIGATION METHODS
NT AEROSOL SPECTROMETERS
NT CASCADE IMPACTORS
NT ELECTROSTATIC CLASSIFIERS
NT SEDIMENTATION CLASSIFIERS
NT SIEVE ANALYSIS
RT PARTICLE SHAPE
RT PARTICLE SIZE
UF CLASSIFIERS (PARTICLE SIZE)
UF PARTICULATE CLASSIFICATION METHODS
UF PARTICULATE CLASSIFIERS
PARTICLE SIZE DISTRIBUTION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL PHENOMENA
BT PARTICLE SIZE, SHAPE, AND STRUCTURE
BT PARTICULATE PROPERTIES
UF FINENESS MODULUS
PARTICLE SIZE, SHAPE, AND STRUCTURE
S TERM ADDED SEPTEMBER 1974
BT AEROSOL PHENOMENA
BT PARTICULATE PROPERTIES
NT PARTICLE SHAPE
NT PARTICLE SIZE
NT PARTICLE SIZE DISTRIBUTION
PARTICULATE CLASSIFICATION METHODS
USE PARTICLE SIZE CLASSIFICATION
PARTICULATE CLASSIFIERS
USE PARTICLE SIZE CLASSIFICATION
PARTICULATE PROPERTIES
S TERM ADDED SEPTEMBER 1974
BT AEROSOL PHENOMENA
NT AEROSOL DIFFUSION AND BROWNIAN MOTION
NT AEROSOL ELECTRICAL PHENOMENA
NT AEROSOL MECHANICS
NT PARTICLE SIZE, SHAPE, AND STRUCTURE
I-87
-------
PARTICULATES
THESAURUS
PARTICULATES
BT POLLUTANTS
NT AEROSOLS
NT SETTLING PARTICLES
NT SUSPENDED PARTICULATES
UF PARTICLES
PARTICIPATE SAMPLING
BT SAMPLING METHODS
RT COLLECTORS (MECHANICAL)
RT PARTICLE INVESTIGATION METHODS
PASSENGER CARS
USE AUTOMOBILES
PASSENGER VEHICLES
USE TRANSPORTATION METHODS
PASSIVE SMOKING
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT SMOKING
PAT
USE PATENTS
PATENTS
S ATTRIBUTE FOR APTIC NUMBERS 0 100032
UF PAT
PATHOLOGICAL INCINERATORS
S TERM ADDED SEPTEMBER 1974
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INCINERATORS (REFUSE)
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
PATHOLOGICAL TECHNIQUES
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
RT DIAGNOSIS
PAVING (ASPHALT)
USE ASPHALT PAVING
PAVING
USE CONSTRUCTION OTHER THAN BUILDING
CONSTRUCTION
PAVING AND ROOFING MATERIALS PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PETROLEUM AND COAL PRODUCTS INDUSTRY
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT ASPHALT CONCRETE PLANTS (NON-REFINERIES)
UF ASPHALT FELTS AND COATINGS
UF ROOFING FELTS AND COATINGS PRODUCTION
UF SIC 295
PAVING MATERIALS PRODUCTION (NON-ASPHALT,
NON-TAR)
USE STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
PAYROLL
USE SALARIES
PCB
USE
POLYCHLORINATED BIPHENYLS
PEACHES
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
PEANUT PROCESSING
USE FAT AND OIL PRODUCTION
PEANUTS
S TERM ADDED SEPTEMBER 1974
BT CROPS
BT PLANTS (BOTANY)
PEARS
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
PEAS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
RT SWEET PEA
PEAT
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
PEDIATRICS
USE PREADOLESCENCE
PENALTIES
USE ENFORCEMENT PROCEDURES
PENELEC PROCESS
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
RT CATALYTIC OXIDATION
PENNSYLVANIA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NT DONORA
NT PHILADELPHIA
NT PITTSBURGH
PENTANES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
NT ISOPENTANES
PENTAPHENES
BT HYDROCARBONS
BT POLYNUCLEAR COMPOUNDS
PENTENES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
BT OLEFINS
I-88
-------
THESAURUS
PETROLEUM PRODUCTION
PEPPERS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
PERCHLORIC ACID
BT ACIDS
BT INORGANIC ACIDS
RT CHLORATES
PERCHLOROBENZENE
USE HEXACHLOROBENZENE
PERFORMANCE STANDARDS
S TERM ADDED SEPTEMBER 1974
BT STANDARDS
NT EMISSION STANDARDS
PERLITE PRODUCTION
USE STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
PERMEABILITY
BT CHEMICAL AND PHYSICAL PROPERTIES
RT POROSITY
PERMITS
RT VARIANCES
UF LICENSES
PEROXIDES
BT OXIDES
RT OXIDANTS
PEROXYACETYL NITRATE
BT NITRATES
BT PEROXYACYL NITRATES
RT OXIDANTS
UF PAN
PEROXYACYL NITRATES
BT NITRATES
NT PEROXYACETYL NITRATE
NT PEROXYBUTYL NITRATE
NT PEROXYPROPYL NITRATE
RT OXIDANTS
PEROXYBUTYL NITRATE
S TERM ADDED SEPTEMBER 1974
BT NITRATES
BT PEROXYACYL NITRATES
RT OXIDANTS
PEROXYPROPYL NITRATE
S TERM ADDED SEPTEMBER 1974
BT NITRATES
BT PEROXYACYL NITRATES
RT OXIDANTS
PERSIAN
S LANGUAGE
PERSONNEL
NT CHEMISTS
NT CONSULTANTS
NT ENGINEERS
NT INSPECTORS
NT MANAGEMENT PERSONNEL
NT MEDICAL PERSONNEL
NT SANITARIANS
NT STUDENTS
RT ABSENTEEISM
RT SALARIES
UF EMPLOYEES
UF LABOR
UF STAFF (PERSONNEL)
UF TECHNICIANS
UF WORKERS
PERSONNEL QUALIFICATIONS
RT JOB ANALYSIS
UF QUALIFICATIONS (PERSONNEL)
PERYLENES
BT HYDROCARBONS
BT POLYNUCLEAR COMPOUNDS
PEST CONTROL (BUILDINGS)
BT INDUSTRIAL EMISSION SOURCES
BT SERVICE INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
PESTICIDES
BT POLLUTANTS
RT CROP SPRAYING
RT HERBICIDES
RT PHOSPHORUS ORGANIC COMPOUNDS
UF BIOCIDES
UF FUNGICIDES
UF INSECTICIDES
PETER SPENCE PROCESS (CLAUS)
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
PETROLEUM (CRUDE)
USE CRUDE OIL
PETROLEUM AND COAL PRODUCTS INDUSTRY
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT PAVING AND ROOFING MATERIALS PRODUCTION
NT PETROLEUM REFINING
UF COAL PRODUCTS INDUSTRY
UF SIC 29
PETROLEUM DISTRIBUTION
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT FUEL OIL DEALERS
RT GASOLINE SERVICE STATIONS
RT LIQUEFIED PETROLEUM GAS DEALERS
RT MARKETING
RT PETROLEUM PRODUCTION
UF DISTRIBUTION (PETROLEUM)
PETROLEUM PRODUCTION
BT INDUSTRIAL EMISSION SOURCES
BT MINING
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT PETROLEUM DISTRIBUTION
I-89
-------
PETROLEUM PRODUCT STORAGE
THESAURUS
PETROLEUM PRODUCTION—Continued
RT PETROLEUM REFINING
UF OIL PRODUCTION (PETROLEUM)
UF SIC 131
PETROLEUM PRODUCT STORAGE
USE POL STORAGE
PETROLEUM REFINING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PETROLEUM AND COAL PRODUCTS INDUSTRY
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT PETROLEUM PRODUCTION
UF OIL REFINING
UF REFINING (PETROLEUM)
UF SIC 291
PETUNIA
BT FLOWERS
BT PLANTS (BOTANY)
UF PETUNIAS
PETUNIAS
USE PETUNIA
PH
BT
RT
UF
CHEMICAL AND PHYSICAL PROPERTIES
ACIDS
HYDROGEN ION ACTIVITY
PHARMACEUTICAL MANUFACTURING
USE CHEMICALS AND ALLIED MANUFACTURING
PHARMACEUTICALS
USE DRUGS
PHARYNX
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT RESPIRATORY SYSTEM
UF THROAT
PHASE TRANSFORMATION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
PHENANTHRENES
BT HYDROCARBONS
BT POLYNUCLEAR COMPOUNDS
PHENOLS
BT ALCOHOLS
RT BENZENES
PHENYL COMPOUNDS
BT AROMATIC HYDROCARBONS
BT HYDROCARBONS
NT DIPHENYLS
NT PHENYLS
NT TETRAPHENYLS
NT TRIPHENYLS
PHENYLS
BT AROMATIC HYDROCARBONS
BT HYDROCARBONS
BT PHENYL COMPOUNDS
NT STYRENES
PHILADELPHIA
BT AMERICA
BT NORTH AMERICA
BT PENNSYLVANIA
BT UNITED STATES
PHORESIS AND RELATED PHENOMENA
S TERM ADDED SEPTEMBER 1974
BT AEROSOL DIFFUSION AND BROWNIAN MOTION
BT AEROSOL PHENOMENA
BT PARTICULATE PROPERTIES
PHOSPHATE PRODUCTION
USE INDUSTRIAL INORGANIC CHEMICAL PLANTS
PHOSPHATES
BT PHOSPHORUS COMPOUNDS
RT PHOSPHORIC ACID
PHOSPHATIC FERTILIZER PLANTS
S TERM ADDED SEPTEMBER 1974
BT AGRICULTURAL CHEMICAL PLANTS
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT PHOSPHORIC ACID PLANTS
NT SUPERPHOSPHATE PLANTS
UF SIC 2874
PHOSPHINE
BT PHOSPHORUS COMPOUNDS
PHOSPHORESCENCE
S TERM ADDED APRIL 1967
BT CHEMICAL AND PHYSICAL PHENOMENA
BT LUMINESCENCE
PHOSPHORIC
S SUPERSEDED TERM
USE PHOSPHORIC ACID
PHOSPHORIC ACID
BT ACIDS
BT INORGANIC ACIDS
RT PHOSPHATES
UF PHOSPHORIC
PHOSPHORIC ACID PLANTS
S TERM ADDED SEPTEMBER 1974
BT AGRICULTURAL CHEMICAL PLANTS
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PHOSPHATIC FERTILIZER PLANTS
BT SOURCES
BT STATIONARY EMISSION SOURCES
PHOSPHOROUS ORGANIC COMPOUNDS
S SUPERSEDED TERM
USE PHOSPHORUS ORGANIC COMPOUNDS
PHOSPHORUS COMPOUNDS
NT PHOSPHATES
NT PHOSPHINE
I-90
-------
THESAURUS
PILOT PLANTS
PHOSPHORUS COMPOUNDS—Continued
RT PHOSPHORUS ORGANIC COMPOUNDS
PHOSPHORUS ORGANIC COMPOUNDS
RT PHOSPHORUS COMPOUNDS
RT PESTICIDES
RT PHOSPHORUS COMPOUNDS
UF ORGANIC PHOSPHORUS COMPOUNDS
UF PHOSPHOROUS ORGANIC COMPOUNDS
PHOSPHORUS PLANTS
S TERM ADDED SEPTEMBER 1974
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT INDUSTRIAL INORGANIC CHEMICAL PLANTS
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
PHOTOCHEMICAL OXIDANTS
USE OXIDANTS
PHOTOCHEMICAL REACTIONS
BT CHEMICAL AND PHYSICAL PHENOMENA
BT CHEMICAL REACTIONS
NT PHOTOLYSIS
NT PHOTOOXIDATION
RT SOLAR RADIATION
RT SMOG
UF PHOTOCHEMISTRY
PHOTOCHEMISTRY
USE PHOTOCHEMICAL REACTIONS
PHOTOELECTRIC PHENOMENA
BT CHEMICAL AND PHYSICAL PHENOMENA
PHOTOGRAPHIC METHODS
BT RECORDING METHODS
NT MOTION PICTURES
NT PHOTOMICROGRAPHY
RT CAMERAS
RT REMOTE SENSING
PHOTOIONIZATION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT IONIZATION
PHOTOLYSIS
S TERM ADDED APRIL 1967
BT CHEMICAL AND PHYSICAL PHENOMENA
BT CHEMICAL REACTIONS
BT PHOTOCHEMICAL REACTIONS
PHOTOMETRIC
S SUPERSEDED TERM
USE PHOTOMETRIC METHODS
PHOTOMETRIC METHODS
BT MEASUREMENT METHODS
NT OPACITY METERS
RT FLAME PHOTOMETRY
UF PHOTOMETRIC
PHOTOMICROGRAPHY
S TERM ADDED SEPTEMBER 1974
BT PHOTOGRAPHIC METHODS
BT RECORDING METHODS
RT
UF
MICROSCOPY
MICROGRAPHY
PHOTOOXIDATION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT CHEMICAL REACTIONS
BT PHOTOCHEMICAL REACTIONS
RT OXIDATION
PHOTOSYNTHESIS
BT PLANT GROWTH AND DEVELOPMENT
PHTHALIC ACID
BT ACIDS
BT ORGANIC ACIDS
PHTHALIC ANHYDRIDE MANUFACTURING
USE CYCLIC CRUDES AND INTERMEDIATE
PRODUCTION
PHYSICAL METHODS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT WASTE GAS CONTROL
PHYSICAL STATES
BT CHEMICAL AND PHYSICAL PHENOMENA
NT DISPERSIONS
NT GASES
NT LIQUIDS
NT SOLIDS
NT VAPORS
PHYSICAL THERAPY
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT TREATMENT AND AIDS
PHYSIOLOGICAL ADAPTATION
USE ADAPTATION
PHYSIOLOGICAL CHEMISTRY
USE BIOCHEMISTRY
PHYSIOLOGY
S TERM ADDED SEPTEMBER 1974
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
PHYTOTOXICANTS
BT POLLUTANTS
NT DEFOLIANTS
NT HERBICIDES
PICENES
BT HYDROCARBONS
BT POLYNUCLEAR COMPOUNDS
PIGMENTS
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
PIGMENT SYSTEMS
S TERM ADDED SEPTEMBER 1974
BT PLANT GROWTH AND DEVELOPMENT
NT ANTHOCYANINS
PILOT PLANTS
RT TESTING FACILITIES
1-91
-------
PINEAPPLES
THESAURUS
PINEAPPLES
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
PINE TREES
S TERM ADDED SEPTEMBER 1974
BT CONIFERS
BT PLANTS (BOTANY)
BT TREES
NT PONDEROSA PINE TREES
NT SCOTCH PINE TREES
NT SPRUCE TREES
NT WHITE PINE TREES
PINTO BEANS
BT PLANTS (BOTANY)
BT VEGETABLES
RT BEANS
PIPELINES
S TERM ADDED SEPTEMBER 1974
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF GAS PIPELINES
PITCH (MATERIAL)
USE TAR (MATERIAL)
PITTSBURGH
BT AMERICA
BT NORTH AMERICA
BT PENNSYLVANIA
BT UNITED STATES
PLAINS
BT TOPOGRAPHIC LOCATIONS
PLANNING AND ZONING
BT LEGAL ASPECTS
NT AREA EMISSION ALLOCATIONS
NT LAND US.E PLANNING
NT TRANSPORTATION PLANNING
RT SITE SELECTION
UF COMMUNITY PLANNING
UF LAND USE ZONING
UF REGIONAL PLANNING
UF URBAN PLANNING
UF ZONING
PLANS AND PROGRAMS
BT ADMINISTRATION
NT AIR QUALITY MEASUREMENT PROGRAMS
NT CONTROL PROGRAMS
NT HEALTH SURVEYS
RT FEASIBILITY STUDIES
RT LEAD TIME
RT PROPOSALS
RT RESEARCH PROGRAMS
UF PROGRAMS (ADMINISTRATION)
PLANT DAMAGE
NT BANDING
NT CHLOROSIS
NT MOTTLING
NT NECROSIS
NT STIPPLING
NT TIP BURN
RT PLANT INDICATORS
UF AIR POLLUTION EFFECTS (PLANTS)
PLANT GROWTH
S SUPERSEDED TERM
USE PLANT GROWTH AND DEVELOPMENT
PLANT GROWTH AND DEVELOPMENT
NT ABSCISSION
NT DWARFING
NT GROWTH REGULATORS
NT PHOTOSYNTHESIS
NT PIGMENT SYSTEMS
RT CELL GROWTH
RT GROWTH
UF DEVELOPMENT (PLANTS)
UF PLANT GROWTH
PLANT INDICATORS
S TERM ADDED APRIL 1967
RT PLANT DAMAGE
UF INDICATORS (PLANTS)
PLANT LOCATION
USE SITE SELECTION
PLANT PROTECTION
S TERM ADDED SEPTEMBER 1974
BT AGRICULTURAL SERVICES
BT AGRICULTURE INDUSTRY
BT CROP SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT ORCHARD HEATERS (FROST CONTROL)
PLANT REPRODUCTION
S TERM ADDED SEPTEMBER 1974
NT SEED GERMINATION
NT SEEDLINGS
RT REPRODUCTION (BIOLOGICAL)
PLANTS (BOTANY)
NT ALGAE
NT AQUATIC PLANTS
NT CROPS
NT FERNS
NT FLOWERS
NT FRUITS
NT HERBS
NT LICHENS
NT MOSSES
NT ORCHARDS
NT ORNAMENTALS
NT SHRUBS
NT TREES
NT VEGETABLES
NT WEEDS
RT ROOTS
RT STOMATA
RT TRANSPIRATION
UF BOTANICAL PLANTS
UF FLORA
UF VEGETATION
PLASTER PRODUCTS MANUFACTURING
USE STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
I-92
-------
THESAURUS
POLAND
PLASTICS
BT MATERIALS
NT FIBERGLASS REINFORCED PLASTICS
NT TEFLON
PLASTICS MATERIALS AND RESINS PLANTS
S TERM ADDED SEPTEMBER 1974
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PLASTICS MATERIALS AND SYNTHETIC PLANTS
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF RESINS (SYNTHETIC) PLANTS
UF SIC 2821
UF SYNTHETIC RESINS PLANTS
PLASTICS MATERIALS AND SYNTHETIC PLANTS
S TERM ADDED SEPTEMBER 1974
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT PLASTICS MATERIALS AND RESINS PLANTS
NT SYNTHETIC RUBBER PLANTS
RT SYNTHETIC FIBERS
UF ACETATE FIBER MANUFACTURING
UF ACRYLIC FIBER MANUFACTURING
UF POLYESTER FIBER MANUFACTURING
UF RAYON FIBER MANUFACTURING
UF SIC 282
UF VISCOSE FIBER MANUFACTURING
UF NYLON FIBERS MANUFACTURING
UF OLEFIN FIBER MANUFACTURING
UF ORGANIC FIBERS MANUFACTURING
(NONCELLULOSIC)
PLASTICS PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT RUBBER AND MISCELLANEOUS PLASTICS
PRODUCTION
BT SOURCES
BT STATIONARY EMISSION SOURCES
PLATING AND POLISHING
BT COATING, ENGRAVING AND ALLIED SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL FABRICATION
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF ANODIZING
UF ELECTROPLATING
UF POLISHING
UF SIC 3471
PLATINUM
BT MATERIALS
BT METALS
PLATINUM COMPOUNDS
S TERM ADDED SEPTEMBER 1974
BT METAL COMPOUNDS
PLETHYSMOGRAPHY
S TERM ADDED APRIL 1967
RT EXPOSURE CHAMBERS
PLEURISY
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
PLUME BEHAVIOR
BT ATMOSPHERIC PHENOMENA
BT DISPERSION
NT CONING
NT FANNING
NT FUMIGATION
NT LOFTING
NT LOOPING
NT TRAPPING
RT STACK GASES
PLUME HEIGHT
S TERM ADDED SEPTEMBER 1974
BT ATMOSPHERIC PHENOMENA
BT DISPERSION
RT HEIGHT FINDING
PLUMS
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
PLUTONIUM COMPOUNDS
BT METAL COMPOUNDS
PLYWOOD PRODUCTION
USE LUMBER AND WOOD PRODUCTS INDUSTRY
PNEUMOCONIOSIS
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
NT ANTHRACOSIS
NT ASBESTOSIS
NT BYSSINOSIS
NT FARMERS LUNG
NT SILICOSIS
PNEUMONIA
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
POINSETTIA
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
POINT SOURCES
BT ATMOSPHERIC PHENOMENA
BT DISPERSION
RT SOURCES
POISONING (METAL)
USE METAL POISONING
POISONING
USE TOXICITY
POLAND
S TERM ADDED SEPTEMBER 1974
BT EASTERN EUROPE
BT EUROPE
I-93
-------
POLAROGRAPHIC METHODS
THESAURUS
POLAROGRAPHIC METHODS
BT ANALYTICAL METHODS
BT CHEMICAL METHODS
BT ELECTROCHEMICAL METHODS
POLAR REGIONS
S TERM ADDED SEPTEMBER 1974
BT TOPOGRAPHIC LOCATIONS
UF ANTARCTIC REGIONS
UF ARCTIC REGIONS
POLISH
S LANGUAGE
POLISHING
USE PLATING AND POLISHING
POLLEN COLLECTORS
BT SAMPLERS
BT SAMPLING METHODS
POLLENS
BT PARTICULATES
BT POLLUTANTS
BT SUSPENDED PARTICULATES
NT RAGWEED POLLEN
POLLUTANT PRECURSORS
BT POLLUTANTS
NT OXIDANT PRECURSORS
UF POLLUTION PRECURSORS
UF PRECURSORS (POLLUTANT)
POLLUTANTS
NT ACID SMUTS
NT AEROALLERGENS
NT COMBUSTION PRODUCTS
NT ENGINE EMISSIONS
NT ODOROUS POLLUTANTS
NT OXIDANTS
NT PARTICULATES
NT PESTICIDES
NT PHYTOTOXICANTS
NT POLLUTANT PRECURSORS
NT SOLVENTS
NT TARS (POLLUTANTS)
NT WASTE GASES
UF ATMOSPHERIC POLLUTANTS
UF CONTAMINANTS (AIR)
POLLUTANT SINKS
S TERM ADDED SEPTEMBER 1974
BT ATMOSPHERIC PHENOMENA
UF SINKS (POLLUTANTS)
POLLUTION ABATEMENT
USE ABATEMENT
POLLUTION DATA (AIR QUALITY MEASUREMENTS)
S CATEGORY FOR APTIC NUMBERS ABOVE 100031
BT POLLUTION DATA
POLLUTION DATA (EMISSION INVENTORIES AND
COMPENDIA)
S CA TEGORY FOR APTIC NUMBERS ABOVE 100031
BT POLLUTION DATA
POLLUTION DATA
S CATEGORY
NT POLLUTION DATA (AIR QUALITY MEASUREMENTS)
NT POLLUTION DATA (EMISSION INVENTORIES AND
COMPENDIA)
UF AIR QUALITY MEAS
UF C/A-AIR QUALITY MEAS
UF C/S-AIR QUALITY MEAS
POLLUTION LAWS
USE LEGISLATION
POLLUTION MONITORING
USE MONITORING
POLLUTION PRECURSORS
S SUPERSEDED TERM
USE POLLUTANT PRECURSORS
POLLUTION REGULATIONS
USE REGULATIONS
POL STORAGE
S PETROLEUM-OILS-LUBRICANTS STORAGE
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
BT STORAGE FACILITIES (BULK LIQUID)
NT FIXED ROOF TANKS
NT FLOATING ROOF TANKS
UF LUBRICANT STORAGE
UF OIL STORAGE
UF PETROLEUM PRODUCT STORAGE
POLYCHLORINATED BIPHENYLS
S TERM ADDED SEPTEMBER 1974
BT CHLORINATED HYDROCARBONS
BT HALOGENATED HYDROCARBONS
RT DIPHENYLS
UF PCB
POLYCYCLIC COMPOUNDS
USE POLYNUCLEAR COMPOUNDS
POLYESTER FIBER MANUFACTURING
USE PLASTICS MATERIALS AND SYNTHETIC PLANTS
POLYMERIZATION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT CHEMICAL REACTIONS
POLYNUCLEAR COMPOUNDS
BT HYDROCARBONS
NT ACENAPHTHALENES
NT ANTHRACENES
NT CHRYSENES
NT FLUORANTHENES
NT FLUORENES
NT NAPHTHACENES
NT NAPHTHALENES
NT PENTAPHENES
NT PERYLENES
NT PHENANTHRENES
NT PICENES
NT PYRENES
NT TRIPHENYLENES
RT CARCINOGENS
RT QUINOLINES
RT QUINOXALINE
RT TARS (POLLUTANTS)
I-94
-------
THESAURUS
POWER GENERATION
POLYNUCLEAR COMPOUNDS—Continued
UF POLYCYCLIC COMPOUNDS
PONDEROSA PINE TREES
S TERM ADDED SEPTEMBER 1974
BT CONIFERS
BT PINE TREES
BT PLANTS (BOTANY)
BT TREES
POPULATION
S TERM ADDED SEPTEMBER 1974
NT POPULATION DENSITY
RT SURVEY METHODS
POPULATION DENSITY
S TERM ADDED SEPTEMBER 1974
BT POPULATION
PORCELAIN ENAMEL
USE CERAMICS
POROSITY
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIES
BT SURFACE PROPERTIES
RT PERMEABILITY '
UF SPONGINESS
POROUS, GRANULAR, AND FRITTED FILTRATION
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SEPARATION
PORTABLE
RT MOBILE
PORTLAND CEMENT PLANTS
USE CEMENT PLANTS (HYDRAULIC)
PORTUGAL
S TERM ADDED SEPTEMBER 1974
BT EUROPE
BT WESTERN EUROPE
PORTUGESE
S SUPERSEDED LANGUAGE TERM
USE PORTUGUESE
PORTUGUESE
S LANGUAGE
UF PORTUGESE
POTASH (CAUSTIC)
USE POTASSIUM COMPOUNDS
POTASH
USE POTASSIUM CARBONATES
POTASSIUM CARBONATES
S TERM ADDED SEPTEMBER 1974
BT METAL COMPOUNDS
BT POTASSIUM COMPOUNDS
UF POTASH
POTASSIUM COMPOUNDS
BT METAL COMPOUNDS
NT POTASSIUM CARBONATES
UF POTASH (CAUSTIC)
POTASSIUM FORMATE PROCESS
USE SOX CONTROL
POTATOES
S SUPERSEDED TERM
USE POTATOES (IRISH)
POTATOES (IRISH)
BT PLANTS (BOTANY)
BT VEGETABLES
UF IRISH POTATOES
UF POTATOES
POTATOES (SWEET)
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
UF SWEET POTATOES
POTENTIATION
USE SYNERGISM
POTENTIOMETRIC METHODS
BT ANALYTICAL METHODS
BT CHEMICAL METHODS
BT ELECTROCHEMICAL METHODS
POULTRY
BT ANIMALS
BT ANIMALS (NON-HUMAN)
UF DOMESTIC FOWL
POWDER (PARTICLES)
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
BT PHYSICAL STATES
BT SOLIDS
RT DUSTS
POWDER ATOMIZATION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL ATOMIZATION
BT AEROSOL FORMATION
BT AEROSOL PHENOMENA
POWDERING
USE DISINTEGRATION
POWDERY MILDEWS (ERYSIPHACEAE)
S TERM ADDED SEPTEMBER 1974
BT FUNGAL EFFECTS
UF ERYSIPHACEAE
POWER AND HEATING APPLICATIONS
S TERM ADDED SEPTEMBER 1974
BT AEROSOL APPLICATIONS
BT AEROSOL PHENOMENA
POWER CYCLES
BT POWER SOURCES
BT SOURCES
POWER GENERATION
USE ELECTRIC POWER GENERATION
I-95
-------
POWER HOUSES
THESAURUS
POWER HOUSES
USE ELECTRIC POWER GENERATION
POWER PRODUCTION
USE ELECTRIC POWER GENERATION
POWER SOURCES
BT SOURCES
NT ELECTRIC POWER SOURCES
NT ENGINES
NT FLYWHEEL POWER
NT GEOTHERMAL POWER
NT HYBRID POWER
NT NUCLEAR POWER
NT POWER CYCLES
NT SOLAR POWER
NT TIDAL POWER
NT WIND POWER
UF ENERGY SOURCES
UF PROPULSION POWER METHODS
POWER STATIONS
USE ELECTRIC POWER GENERATION
PREADOLESCENCE
BT ANIMALS
UF CHILDREN
UF PEDIATRICS
PRECIPITATION (THERMAL)
USE THERMAL PRECIPITATION
PRECIPITATION
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
NT HAIL
NT RAIN
NT SNOW
NT THUNDERSTORMS
NT WASHOUT
UF ATMOSPHERIC PRECIPITATION
PRECIPITATION WASHOUT
USE WASHOUT
PRECIPITATORS (ELECTROSTATIC)
USE ELECTROSTATIC PRECIPITATORS
PRECURSORS (POLLUTANT)
USE POLLUTANT PRECURSORS
PREDICTION (AIR POLLUTION)
USE AIR POLLUTION FORECASTING
PREDICTION (WEATHER)
USE WEATHER FORECASTING
PREGNANCY
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT REPRODUCTION (BIOLOGICAL)
PREHEAT (AIR)
USE AIR PREHEAT
PREHEAT (FUEL)
USE FUEL PREHEAT
PREPRINT
S ATTRIBUTE FOR APTIC NO 0 100032
PRESSURE
S EXCLUDES A TMOSPHERIC PRESSURE
BT CHEMICAL AND PHYSICAL PROPERTIES
RT PRESSURE (ATMOSPHERIC)
UF DRAFT LOSS
PRESSURE (ATMOSPHERIC)
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
RT ANTICYCLONES
RT CYCLONES (ATMOSPHERIC)
RT PRESSURE
UF ATMOSPHERIC PRESSURE
PRESSWORK (PRINTING)
USE PRINTING AND PUBLISHING
PRIMARY ALUMINUM PRODUCTION
USE ALUMINUM PRIMARY PRODUCTION
PRIMARY METALLURGICAL PROCESSES
USE METAL INDUSTRIES
PRIMARY METALLURGICAL PROCESSING
USE METAL INDUSTRIES
PRIMARY SCHOOL STUDENTS
S TERM ADDED SEPTEMBER 1974
BT PERSONNEL
BT STUDENTS
PRIMARY SMELTING AND REFINING OF NONFERROUS
METALS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT ALUMINUM PRIMARY PRODUCTION
NT COPPER PRIMARY SMELTING AND REFINING
NT LEAD PRIMARY SMELTING AND REFINING
NT ZINC PRIMARY SMELTING AND REFINING
UF SIC 333
PRIMATES (NON-HUMAN)
BT ANIMALS
BT ANIMALS (NON-HUMAN)
RT LABORATORY ANIMALS
UF MONKEYS
PRIMERS
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
BT SURFACE COATINGS
PRINTING
S SUPERSEDED TERM
USE PRINTING AND PUBLISHING
PRINTING AND PUBLISHING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF LITHOGRAPHY
UF PRESSWORK (PRINTING)
UF PRINTING
I-96
-------
THESAURUS
PUBLISHING
PRINTING AND PUBLISHING—Continued
UF
UF
PUBLISHING
SIC 27
PRINTING INK MANUFACTURING
USE CHEMICALS AND ALLIED MANUFACTURING
PRIVET
S TERM ADDED SEPTEMBER 1974
BT ORNAMENTALS
BT PLANTS (BOTANY)
PROBES (SAMPLING)
USE SAMPLING PROBES
PROC
USE PROCEEDINGS
PROCEEDINGS
S A TTRIBUTE FOR APTIC NUMBERS 0 100032
UF PROC
PROCESS GAS
S TERM ADDED SEPTEMBER 1974
BT FUEL GASES
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
PROCESS MODIFICATION
BT CONTROL METHODS
NT FIRING METHODS
RT OPERATING VARIABLES
PROG GRT
S METHOD OF SUPPORT FOR APTIC NO 0 100032
PROGRAMS (ADMINISTRATION)
USE PLANS AND PROGRAMS
PROGRAMS (COMPUTER)
USE COMPUTER PROGRAMS
PROPANES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
PROPELLANT DISPOSAL*
USE REFUSE SYSTEMS
PROPELLER AIRCRAFT
BT AIRCRAFT
BT MOBILE EMISSION SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
PROPENAL
USE ACROLEIN
PROPENES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
BT OLEFINS
PROPIONALDEHYDES
BT ALDEHYDES
PROPORTIONAL MODELING
S TERM ADDED SEPTEMBER 1974
BT MATHEMATICAL ANALYSES
BT MATHEMATICAL MODELING
UF ROLLBACK MODELING
PROPOSALS
BT ADMINISTRATION
RT PLANS AND PROGRAMS
PROPULSION POWER METHODS
USE POWER SOURCES
PROPYNES
BT ACETYLENES
BT ALIPHATIC HYDROCARBONS
BT HYDROCARBONS
BT OLEFINS
PROTECTANTS
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
NT ANTIOXIDANTS
PROTECTIVE MASKS
BT CONTROL EQUIPMENT-GAS STREAMS
NT OXYGEN MASKS
RT BREATHING APPARATUS
UF GAS MASKS
UF MASKS
PROTEINS
BT BIOCHEMISTRY
BT BIOLOGICAL FACTORS
NT AMINO ACIDS
PROTOZOA
BT MICROORGANISMS
PSYCHOLOGICAL FACTORS
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL PROCESSES AND FUNCTIONS
PUBLIC AFFAIRS
NT CITIZENS GROUPS
NT COMPLAINTS
NT OPINION SURVEYS
NT PUBLIC INFORMATION
RT SOCIAL ATTITUDES
UF PUBLIC RELATIONS
PUBLIC ATTITUDE
USE SOCIAL ATTITUDES
PUBLIC BUILDINGS
S TERM ADDED SEPTEMBER 1974
BT BUILDINGS
BT STRUCTURES
PUBLIC INFORMATION
BT PUBLIC AFFAIRS
UF INFORMATION (PUBLIC)
PUBLIC OPINION
USE SOCIAL ATTITUDES
PUBLIC RELATIONS
USE PUBLIC AFFAIRS
PUBLISHING
USE PRINTING AND PUBLISHING
I-97
-------
PULMONARY EDEMA
THESAURUS
PULMONARY EDEMA
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
UF EDEMA (PULMONARY)
PULMONARY FUNCTION
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT RESPIRATORY FUNCTIONS
NT OXYGEN DIFFUSION
NT PULMONARY RESISTANCE
NT VITAL CAPACITY
UF LUNG FUNCTION
PULMONARY RESISTANCE
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT PULMONARY FUNCTION
BT RESPIRATORY FUNCTIONS
UF AIRWAY RESISTANCE
UF BREATHING RESISTANCE
UF RESISTANCE (PULMONARY)
PULP MILLS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PAPER AND ALLIED MANUFACTURING
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT KRAFT (SULFATE) PULPING
NT MECHANICAL PULPING
NT SEMI-CHEMICAL PULPING
NT SULFITE PULPING
RT LIME KILNS
RT PAPER MILLS
UF SIC 261
PULSE RATE
BT BIOLOGICAL PROCESSES AND FUNCTIONS
RT CIRCULATORY SYSTEM
PULVERIZED FUELS
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
PUMPKINS
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS(BOTANY)
PYRENES
BT HYDROCARBONS
BT POLYNUCLEAR COMPOUNDS
NT BENZOPYRENES
PYRIDINES
BT NITROGEN ORGANIC COMPOUNDS
PYROLYSIS
BT CHEMICAL AND PHYSICAL PHENOMENA
BT CHEMICAL REACTIONS
PYROMETERS
USE TEMPERATURE SENSING INSTRUMENTS
PYROTECHNIC AMMUNITION MANUFACTURING
USE CHEMICALS AND ALLIED MANUFACTURING
QUALIFICATIONS (PERSONNEL)
USE PERSONNEL QUALIFICATIONS
QUALITY ASSURANCE
S TERM ADDED SEPTEMBER 1974
RT MEASUREMENT METHODS
QUARRYING (STONE)
USE STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
QUARTZ
BT MATERIALS
BT MINERAL PRODUCTS
QUENCHING (HEAT TRANSFER)
USE COOLING
QUENCHING
S TERM ADDED APRIL 1967
BT ANALYTICAL METHODS
BT SPECTROPHOTOMETRY
QUESTIONNAIRES
RT HEALTH SURVEYS
RT OPINION SURVEYS
QUINOLINES
BT NITROGEN ORGANIC COMPOUNDS
RT POLYNUCLEAR COMPOUNDS
QUINONES
BT KETONES
QUINOXALINE
BT NITROGEN ORGANIC COMPOUNDS
RT POLYNUCLEAR COMPOUNDS
RABBITS
BT ANIMALS
BT ANIMALS (NON-HUMAN)
RT LABORATORY ANIMALS
UF HARES
RADIATION (LIGHT)
USE LIGHT RADIATION
RADIATION COUNTERS
BT MEASUREMENT METHODS
BT RADIATION MEASURING SYSTEMS
RT RADIOACTIVE RADIATION
UF COUNTERS (RADIATION)
RADIATION MEASURING SYSTEMS
BT MEASUREMENT METHODS
NT RADIATION COUNTERS
RT INSTRUMENTATION
UF RADIOMETERS
RADIOACTIVATION ANALYSIS (NEUTRON)
USE NEUTRON ACTIVATION ANALYSIS
RADIOACTIVE FALLOUT
USE FALLOUT
RADIOACTIVE RADIATION
BT CHEMICAL AND PHYSICAL PHENOMENA
NT ALPHA PARTICLES
NT BETA PARTICLES
NT COSMIC RAYS
I-98
-------
THESAURUS
REACTORS (NUCLEAR)
RADIOACTIVE RADIATION—Continued
NT FALLOUT
NT GAMMA RADIATION
NT X-RAYS
RT NUCLEAR REACTIONS
RT RADIATION COUNTERS
RT REACTORS (NUCLEAR)
RADIOACTIVE TRACERS
BT TRACERS
RT ISOTOPES
RADIOGRAPHY
S TERM ADDED SEPTEMBER 1974
RT X-RAYS
RT DIAGNOSIS
UF ROENTGENOGRAPHY
UF X-RAY PHOTOGRAPHY
RADIOLOGICAL HEALTH
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
RT HEALTH IMPAIRMENT
RADIOMETERS
USE RADIATION MEASURING SYSTEMS
RADIOSONDES
BT METEOROLOGICAL INSTRUMENTS
NT OZONESONDES
RADIO WAVES
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
UF HERTZIAN WAVES
RADISHES
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
RADON
S TERM ADDED APRIL 1967
RT ISOTOPES
RAGWEED POLLEN
BT PARTICULATES
BT POLLENS
BT POLLUTANTS
BT SUSPENDED PARTICULATES
RAILROAD VEHICLES
BT MOBILE EMISSION SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
RT SUBWAYS
UF SIC 40
UF TRAINS
RAIN
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
BT PRECIPITATION
RAINOUT
USE WASHOUT
RAIN STIMULATION
USE CLOUD SEEDING
RAMS (SHEEP)
USE SHEEP
RANGES (MOUNTAINS)
USE MOUNTAINS
RANKINE CYCLE ENGINES
S TERM ADDED SEPTEMBER 1974
BT ENGINES
BT EXTERNAL COMBUSTION ENGINES
BT POWER SOURCES
BT SOURCES
NT STEAM ENGINES
RAPE
S TERM ADDED SEPTEMBER 1974
BT CROPS
BT PLANTS (BOTANY)
RAPID TRANSIT
USE MASS TRANSPORTATION
RAPPING
BT CONTROL METHODS
RASPBERRIES
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS(BOTANY)
UF RASPBERRYS
RASPBERRYS
USE RASPBERRIES
RATS
BT ANIMALS
BT ANIMALS (NON-HUMAN)
RT LABORATORY ANIMALS
RAW SLUDGE
USE SLUDGE
RAYON FIBER MANUFACTURING
USE PLASTICS MATERIALS AND SYNTHETIC PLANTS
REACTION KINETICS
BT CHEMICAL AND PHYSICAL PHENOMENA
UF CHEMICAL KINETICS
UF KINETICS (REACTION)
UF REACTION RATE
REACTION MECHANISMS
BT CHEMICAL AND PHYSICAL PHENOMENA
UF MECHANISMS (REACTION)
REACTION RATE
USE REACTION KINETICS
REACTIONS (CHEMICAL)
USE CHEMICAL REACTIONS
REACTIVITY (CHEMICAL)
USE CHEMICAL REACTIONS
REACTORS (NUCLEAR)
BT ELECTRIC POWER GENERATION
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT NUCLEAR POWER PLANTS
I-99
-------
REAL PROPERTY OPERATIONS
THESAURUS
REACTORS (NUCLEAR)—Continued
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT RADIOACTIVE RADIATION
UF NUCLEAR REACTORS
REAL PROPERTY OPERATIONS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT NON-RESIDENTIAL OPERATIONS
NT RESIDENTIAL OPERATIONS
UF SIC 651
REBOUND
USE RESILIENCE
RECEIVING (MATERIALS)
USE MATERIALS HANDLING
RECIRCULATION
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
UF EGR (EXHAUST GAS RECIRCULATION)
UF EXHAUST RECIRCULATION SYSTEMS
RECOMBINATION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT CHEMICAL REACTIONS
RECORDING METHODS
NT DIGITAL METHODS
NT HOLOGRAPHIC METHODS
NT PHOTOGRAPHIC METHODS
NT XEROGRAPHY
RT DATA RETRIEVAL
RT ELECTRONOGRAPHY
UF LOGGING (RECORDING)
RECORDS RETRIEVAL
USE INFORMATION RETRIEVAL
RECREATION AREAS
BT NON-METROPOLITAN AREAS
RT SPORTS COMPLEXES
UF PARKS
RED BLOOD CELLS
USE ERYTHROCYTES
REDUCTION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT CHEMICAL REACTIONS
UF CHEMICAL REDUCING
REDUCTION TO ELEMENTS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT WASTE GAS CONTROL
REDWOOD TREES
S TERM ADDED SEPTEMNER 1974
BT DECIDUOUS TREES
BT PLANTS (BOTANY)
BT TREES
REFINING (METAL)
USE METAL INDUSTRIES
REFINING (PETROLEUM)
USE PETROLEUM REFINING
REFLECTANCE UNIT DENSITY
S TERM ADDED SEPTEMBER 1974
BT SOILING INDEX
UF RUD
REFRACTIVE INDEX
BT CHEMICAL AND PHYSICAL PROPERTIES
RT LIGHT SCATTERING
UF INDEX OF REFRACTION
UF REFRACTIVITY
REFRACTIVITY
USE REFRACTIVE INDEX
REFRACTORIES
BT MATERIALS
REFUSE DERIVED FUELS
USE SOLID WASTE FUELS
REFUSE SYSTEMS
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT COMPOSTING
NT DUMPS
NT INCINERATORS (REFUSE)
NT LANDFILLS
NT ORGANIC WASTES
RT SCRAP YARDS
UF BURIAL
UF GARBAGE DISPOSAL
UF PROPELLANT DISPOSAL
UF RUBBISH DISPOSAL
UF SIC 4953
UF SOLID WASTE DISPOSAL
UF TRASH DISPOSAL
UF WASTE DISPOSAL
REGIONAL GOVERNMENTS
BT GOVERNMENTS
REGIONAL PLANNING
USE PLANNING AND ZONING
REGULATIONS
BT LEGAL ASPECTS
RT INSPECTION
RT LEGISLATION
UF POLLUTION REGULATIONS
UF RULES
REINLUFT PROCESS
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
RT ADSORPTION (CONTROL)
RELATIVE HUMIDITY
USE HUMIDITY
1-100
-------
THESAURUS
RESPIRATION
REMOTE SENSING
S TERM ADDED SEPTEMBER 1974
RT LIDAR
RT PHOTOGRAPHIC METHODS
RT MEASUREMENT METHODS
UF ATMOSPHERIC ECHO SOUNDING
RENDERING PLANTS, GREASE AND TALLOW
BT FAT AND OIL PRODUCTION
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT FISH MEAL PRODUCTION
RT SLAUGHTERING PLANTS
UF FATS RENDERING
UF GREASE RENDERING
UF TALLOW RENDERING
REPAIRING
USE MAINTENANCE
REPRESENTATIVE SAMPLING
S TERM ADDED SEPTEMBER 1974
BT SAMPLING METHODS
REPRODUCTION
S SUPERSEDED TERM
USE REPRODUCTION (BIOLOGICAL)
REPRODUCTION (BIOLOGICAL)
BT BIOLOGICAL PROCESSES AND FUNCTIONS
NT PREGNANCY
RT GENETICS
RT PLANT REPRODUCTION
RT SPERMATOZOA
UF REPRODUCTION
RESEARCH INSTITUTES
RT COMMERCIAL FIRMS
UF SIC 892
RESEARCH METHODOLOGIES
RT RESEARCH PROGRAMS
RT BASELINE DETERMINATION
RT EXPERIMENTAL METHODS
RT EXPOSURE METHODS
RT RESEARCH PROGRAMS
RESEARCH PROGRAMS
BT ADMINISTRATION
RT PLANS AND PROGRAMS
RT RESEARCH METHODOLOGIES
RES GRT
S METHOD OF SUPPORT FOR APTIC NO 0 100032
RESIDENTIAL
S SUPERSEDED TERM
USE RESIDENTIAL AREAS
RESIDENTIAL AREAS
RT LAND USE PLANNING
RT METROPOLITAN AREAS
UF RESIDENTIAL
RESIDENTIAL BUILDINGS
BT BUILDINGS
BT STRUCTURES
UF DWELLINGS
UF HOUSING (DWELLINGS)
UF HOUSING DEVELOPMENTS
RESIDENTIAL INCINERATORS
S TERM ADDED SEPTEMBER 1974
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INCINERATORS (REFUSE)
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT APARTMENT INCINERATORS
RESIDENTIAL OPERATIONS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT REAL PROPERTY OPERATIONS
BT SOURCES
BT STATIONARY EMISSION SOURCES
RESIDENTIAL SOURCES
S TERM ADDED SEPTEMBER 1974
BT NON-INDUSTRIAL EMISSION SOURCES
(STATIONARY)
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT DOMESTIC HEATING
RT HOTELS AND OTHER LODGING PLACES
UF, DOMESTIC SOURCES
UF SIC 88
RESIDUAL OILS
BT FUEL OILS
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
RESILIENCE
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
UF REBOUND
RESINS (SYNTHETIC) PLANTS
USE PLASTICS MATERIALS AND RESINS PLANTS
RESISTANCE (ELECTRICAL)
USE ELECTRICAL RESISTANCE
RESISTANCE (PULMONARY)
USE PULMONARY RESISTANCE
RESISTIVITY (ELECTRIC)
USE ELECTRICAL RESISTANCE
RESOURCES (FUEL)
USE FUEL RESOURCES
RESPIRATION (PLANTS)
RT BREATHING
UF RESPIRATION
RESPIRATION
S SUPERSEDED TERM
USE RESPIRATION (PLANTS)
1-101
-------
RESPIRATORY DISEASES
THESAURUS
RESPIRATORY DISEASES
BT DISEASES AND DISORDERS
NT ADENOVIRUS INFECTIONS
NT ASTHMA
NT BRONCHITIS
NT BRONCHOCONSTRICTION
NT BRONCHOPNEUMONIA
NT COMMON COLD
NT COUGH
NT EMPHYSEMA
NT HAYFEVER
NT INFLUENZA
NT LARYNGITIS
NT PLEURISY
NT PNEUMOCONIOSIS
NT PNEUMONIA
NT PULMONARY EDEMA
NT TUBERCULOSIS
RT CANCER
RT INFECTIOUS DISEASES
RT ORGANIC DISEASES
UF BRONCHIAL DISEASES
UF LUNG DISEASES
RESPIRATORY FUNCTIONS
BT BIOLOGICAL PROCESSES AND FUNCTIONS
NT BREATHING
NT COMPLIANCE (RESPIRATORY)
NT DEPOSITION (RESPIRATORY)
NT LUNG CLEARANCE
NT OXYGEN CONSUMPTION
NT PULMONARY FUNCTION
NT VENTILATION (PULMONARY)
RT HYPERVENTILATION
RT RESPIRATORY SYSTEM
UF THORACIC VOLUME
RESPIRATORY SYSTEM
BT BIOLOGICAL CONSTITUENTS AND PARTS
NT BRONCHI
NT LARYNX
NT LUNGS
NT NOSE
NT PHARYNX
NT SINUSES
NT TRACHEA
RT RESPIRATORY FUNCTIONS
UF AIRWAYS
RESUSCITATION
USE ARTIFICIAL RESPIRATION
RESUSPENSION (PARTICLE)
USE PARTICLE ENTRAPMENT
RETAIL TRADE
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT COOKING (RETAIL)
NT FUEL OIL DEALERS
NT GASOLINE SERVICE STATIONS
NT LIQUEFIED PETROLEUM GAS DEALERS
RT MARKETING
RETENTION
BT BIOLOGICAL PROCESSES AND FUNCTIONS
RETRIEVAL (DATA)
USE DATA RETRIEVAL
RETRIEVAL (INFORMATION)
USE INFORMATION RETRIEVAL
RETROFIT PROGRAMS
S TERM ADDED SEPTEMBER 1974
BT ADMINISTRATION
BT CONTROL PROGRAMS
BT PLANS AND PROGRAMS
REVIEWS (GENERAL)
S ATTRIBUTE
UF GEN
REVIEWS (TECHNICAL)
S ATTRIBUTE
UF TECH
RHODE ISLAND
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
RHODODENDRON
S TERM ADDED SEPTEMBER 1974
BT ORNAMENTALS
BT PLANTS (BOTANY)
RIBONUCLEIC ACIDS
S TERM ADDED SEPTEMBER 1974
BT BIOCHEMISTRY
BT BIOLOGICAL FACTORS
BT NUCLEIC ACIDS
NT DEOXYRIBONUCLEIC ACIDS
UF RNA
RICE
S TERM ADDED SEPTEMBER 1974
BT CROPS
BT PLANTS (BOTANY)
RINGELMANN CHART
BT SMOKE SHADE
RIVERS
BT BODIES OF WATER
BT TOPOGRAPHIC LOCATIONS
UF STREAMS
RNA
USE
RIBONUCLEIC ACIDS
ROAD MATERIALS
USE CONSTRUCTION MATERIALS
ROADS
S TERM ADDED SEPTEMBER 1974
NT DIRT ROADS
NT HIGHWAYS
NT LIMITED ACCESS ROADS
NT STREETS
ROAD SURFACING
USE CONSTRUCTION OTHER THAN BUILDING
CONSTRUCTION
1-102
-------
THESAURUS
RUD
ROCKET ENGINES
S TERM ADDED SEPTEMBER 1974
BT ENGINES
BT POWER SOURCES
BT SOURCES
RT MISSILE AND SPACECRAFT LAUNCH VEHICLES
ROCKET EXHAUST
USE ENGINE EXHAUSTS
ROCKS
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
ROENTGENOGRAPHY
USE RADIOGRAPHY
ROENTGEN RAYS
USE X-RAYS
ROLLBACK MODELING
USE PROPORTIONAL MODELING
ROMANIA
S TERM ADDED SEPTEMBER 1974
BT EASTERN EUROPE
BT EUROPE
ROMANIAN
S LANGUAGE
UF RUMANIAN
ROOFING FELTS AND COATINGS PRODUCTION
USE PAVING AND ROOFING MATERIALS PRODUCTION
ROOTS
S TERM ADDED SEPTEMBER 1974
RT PLANTS (BOTANY)
ROSE
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS(BOTANY)
ROSIN MANUFACTURING
USE CHEMICALS AND ALLIED MANUFACTURING
ROTARY COMBUSTION ENGINES
S TERM ADDED SEPTEMBER 1974
BT ENGINES
BT INTERNAL COMBUSTION ENGINES
BT POWER SOURCES
BT ROTARY ENGINES
BT SOURCES
ROTARY ENGINES
S TERM ADDED SEPTEMBER 1974
BT ENGINES
BT INTERNAL COMBUSTION ENGINES
BT POWER SOURCES
BT SOURCES
NT ROTARY COMBUSTION ENGINES
NT ROTARY PISTON ENGINES
ROTARY KILNS
USE KILNS
ROTARY OIL BURNERS
S TERM ADDED SEPTEMBER 1974
BT FURNACES
BT OIL BURNERS
BT SOURCES
BT STATIONARY EMISSION SOURCES
ROTARY PISTON ENGINES
BT ENGINES
BT INTERNAL COMBUSTION ENGINES
BT POWER SOURCES
BT ROTARY ENGINES
BT SOURCES
ROTATIONAL SEPARATORS
S TERM ADDED SEPTEMBER 1974
BT COLLECTORS (MECHANICAL)
BT CONTROL EQUIPMENT-GAS STREAMS
ROUTINES (COMPUTER PROGRAMMING)
USE COMPUTER PROGRAMS
RUBBER (SYNTHETIC) PLANTS
USE SYNTHETIC RUBBER PLANTS
RUBBER
BT MATERIALS
NT SYNTHETIC RUBBER
RT TIRES
UF ELASTOMERS
RUBBER AND MISCELLANEOUS PLASTICS
PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT PLASTICS PRODUCTION
NT RUBBER PRODUCTION
UF SIC 30
RUBBERIZED FABRICS
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
BT TEXTILES
RUBBER PRODUCTION
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT RUBBER AND MISCELLANEOUS PLASTICS
PRODUCTION
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT SYNTHETIC RUBBER PLANTS
UF VULCANIZING
RUBBER TREES
S TERM ADDED SEPTEMBER 1974
BT DECIDUOUS TREES
BT PLANTS(BOTANY)
BT TREES
RUBBISH DISPOSAL
USE REFUSE SYSTEMS
RUD
USE REFLECTANCE UNIT DENSITY
-103
-------
RUGS
THESAURUS
RUGS
USE CARPETS
RULES
USE REGULATIONS
RUMANIAN
S SUPERSEDED LANGUAGE TERM
USE ROMANIAN
RUNNING EVAPORATIVE LOSSES
BT CARBURETOR EVAPORATION LOSSES
BT ENGINE EMISSIONS
BT FUEL EVAPORATION
BT POLLUTANTS
RURAL AREAS
S TERM ADDED SEPTEMBER 1974
BT NON-METROPOLITAN AREAS
RUSSIA
USE USSR
RUSSIAN
S LANGUAGE
RUST (MATERIALS)
USE CORROSION
RUSTS (UREDINALES)
S TERM ADDED SEPTEMBER 1974
BT FUNGAL EFFECTS
UF UREDINALES
RYE
BT CROPS
BT PLANTS(BOTANY)
SACCHARIDES
USE CARBOHYDRATES
SAFETY
S TERM ADDED SEPTEMBER 1974
RT SAFETY EQUIPMENT
SAFETY EQUIPMENT
RT SAFETY
SALARIES
RT INCENTIVES
RT PERSONNEL
UF COMPENSATION (SALARY)
UF PAYROLL
UF WAGES
SALTZMAN METHOD (NOX)
S FOR NITROGEN OXIDES
S TERM ADDED APRIL 1967
BT ANALYTICAL METHODS
BT COLORIMETRY
SAMPLERS
BT SAMPLING METHODS
NT ASPIRATORS
NT HI-VOL SAMPLERS
NT POLLEN COLLECTORS
NT TAPE SAMPLERS (NEC)
NT TAPE SAMPLERS (REFLECTANCE)
NT TAPE SAMPLERS (TRANSMITTANCE)
UF AIR SAMPLERS
SAMPLING METHODS
NT GAS SAMPLING
NT PARTICULATE SAMPLING
NT REPRESENTATIVE SAMPLING
NT SAMPLERS
NT SAMPLING PROBES
RT IMPINGEMENT
UF AIR SAMPLING
SAMPLING PROBES
BT SAMPLING METHODS
UF PROBES (SAMPLING)
SAND AND GRAVEL
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
UF GRAVEL
SAND BLASTING
USE ABRASIVE BLASTING
SAN FRANCISCO
BT AMERICA
BT CALIFORNIA
BT NORTH AMERICA
BT UNITED STATES
SANITARIANS
BT PERSONNEL
SANITARY LANDFILLS
USE LANDFILLS
SANITARY SERVICES
S TERM ADDED SEPTEMBER 1974
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT REFUSE SYSTEMS
NT SEWERAGE SYSTEMS
UF SIC 495
SAPPORO
BT ASIA
BT JAPAN
SAROAD (STORAGE AND RETRIEVAL OF AEROMETRIC
DATA)
USE DATA RETRIEVAL
SATELLITES (ARTIFICIAL)
S TERM ADDED SEPTEMBER 1974
RT MISSILE AND SPACECRAFT LAUNCH VEHICLES
RT SPACECRAFT ATMOSPHERES
SAWMILLS
USE LUMBER AND WOOD PRODUCTS INDUSTRY
SCALING
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
BT MATERIALS DETERIORATION
SCANDINAVIA
S TERM ADDED MA Y 1972
BT EUROPE
1-104
-------
THESAURUS
SEDIMENTATION (CONTROL)
SCANDINAVIA—Continued
BT WESTERN EUROPE
NT DENMARK
NT FINLAND
NT NORWAY
NT SWEDEN
SCARFING
USE DISINTEGRATION
SCATTERING (ATMOSPHERIC)
BT ATMOSPHERIC PHENOMENA
UF SCATTERING
SCATTERING
S SUPERSEDED TERM
USE SCATTERING (ATMOSPHERIC)
SCAVENGING (ATMOSPHERIC)
USE WASHOUT
SCHEDULES (COMPLIANCE)
USE COMPLIANCE SCHEDULES
SCHEDULES (OPERATING)
USE OPERATING SCHEDULES
SCHOOL STUDENTS
USE STUDENTS
SCOTCH PINE TREES
S TERM ADDED SEPTEMBER 1974
BT CONIFERS
BT PINE TREES
BT PLANTS (BOTANY)
BT TREES
SCRAP YARDS
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT REFUSE SYSTEMS
RT WRECKING AND DEMOLITION
SCREEN ANALYSIS
USE SIEVE ANALYSIS
SCREEN FILTERS
BT CONTROL EQUIPMENT-GAS STREAMS
BT FILTERS
SCRUBBERS
BT CONTROL EQUIPMENT-GAS STREAMS
NT FLUIDIZED BED SCRUBBERS
NT PACKED TOWERS
NT SPRAY TOWERS
NT TRAY TOWERS
NT VENTURI SCRUBBERS
NT WET CYCLONES
UF AMMONIA SCRUBBING
UF CHARGED DROPLET SCRUBBERS
UF FLUX FORCE/CONDENSATION SCRUBBERS
UF GAS SCRUBBING (WASTE GAS)
UF GAS WASHERS (WASTE GAS SCRUBBERS)
UF LIMESTONE SCRUBBING
UF MAGNESIUM OXIDE SCRUBBING
UF MARBLE BED SCRUBBERS
UF SCRUBBING (WASTE GAS)
SCRUBBING (WASTE GAS)
USE SCRUBBERS
SEA ANIMALS
USE AQUATIC ANIMALS
SEA BREEZE
BT ATMOSPHERIC MOVEMENTS
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
BT WINDS
SEAFOOD PREPARATION
USE FISH AND SEAFOOD PREPARATION
SEALING COMPOUNDS
BT MATERIALS
RT ADHESIVES
RT CEMENTS
UF CAULKING COMPOUNDS
SEALS
BT MATERIALS
SEAS
USE OCEANS
SEA SALTS
BT PARTICULATES
BT POLLUTANTS
BT SETTLING PARTICLES
RT SODIUM CHLORIDE
SEASONAL
RT MONTHLY
SECONDARY
S SUPERSEDED TERM
USE SECONDARY AIR
SECONDARY AIR
BT COMBUSTION AIR
BT CONTROL METHODS
BT FIRING METHODS
BT PROCESS MODIFICATION
UF SECONDARY
SECONDARY SCHOOL STUDENTS
S TERM ADDED SEPTEMBER 1974
BT PERSONNEL
BT STUDENTS
SECONDARY SMELTING AND REFINING OF
NONFERROUS METALS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT ALUMINUM SECONDARY SMELTING AND REFINING
NT BRASS AND BRONZE SECONDARY SMELTING AND
REFINING
NT LEAD SECONDARY SMELTING AND REFINING
UF SIC 334
SEDIMENTATION (CONTROL)
BT CONTROL METHODS
NT GRAVITY SETTLING (CONTROL)
1-105
-------
SEDIMENTATION
THESAURUS
SEDIMENTATION (CONTROL)—Continued
NT INERTIAL SEPARATION (CONTROL)
RT SETTLING CHAMBERS
SEDIMENTATION
S SUPERSEDED TERM
USE SEDIMENTATION PHENOMENA
SEDIMENTATION CLASSIFIERS
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SIZE CLASSIFICATION
SEDIMENTATION PHENOMENA
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
UF SEDIMENTATION
SEED GERMINATION
S TERM ADDED SEPTEMBER 1974
BT PLANT REPRODUCTION
SEEDLINGS
S TERM ADDED SEPTEMBER 1974
BT PLANT REPRODUCTION
SELENIUM COMPOUNDS
RT METAL COMPOUNDS
SELLING
USE MARKETING
SEMI-CHEMICAL PULPING
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PAPER AND ALLIED MANUFACTURING
BT PULP MILLS
BT SOURCES
BT STATIONARY EMISSION SOURCES
SEMINARS
USE MEETINGS
SENATE HEARINGS
BT HEARINGS
BT LEGAL ASPECTS
RT NATIONAL GOVERNMENTS
SENSITIVITY
USE THRESHOLDS
SEPARATORS (CENTRIFUGAL)
USE CENTRIFUGAL SEPARATORS
SEPARATORS (WASTE GAS CYCLONES)
USE CYCLONES (CONTROL)
SERBIAN
USE SERBO-CROATIAN
SERBO CROATIAN
S SUPERSEDED LANGUAGE TERM
USE SERBO-CROATIAN
SERBO-CROATIAN
S LANGUAGE
UF CROATIAN
UF SERBIAN
UF SERBO CROATIAN
SERUM (BLOOD)
USE BLOOD SERUM
SERVICE INDUSTRIES
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT CREMATORIES
NT DRY CLEANING PLANTS (EXCEPT RUG)
NT HOTELS AND OTHER LODGING PLACES
NT LAUNDRIES
NT PEST CONTROL (BUILDINGS)
UF HOSPITALS
SERVICE STATIONS (GASOLINE)
USE GASOLINE SERVICE STATIONS
SERVICING
USE MAINTENANCE
SETTLING CHAMBERS
BT
BT
BT
RT
UF
COLLECTORS (MECHANICAL)
CONTROL EQUIPMENT-GAS STREAMS
GRAVITY COLLECTORS
SEDIMENTATION (CONTROL)
CINDER TRAPS
SETTLING PARTICLES
BT
BT
NT
NT
NT
NT
PARTICULATES
POLLUTANTS
DUSTS
SEA SALTS
SOOT
SPRAYS
SEWAGE
USE SEWERAGE SYSTEMS
SEWAGE SLUDGE
USE SLUDGE
SEWAGE TREATMENT
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT SANITARY SERVICES
BT SEWERAGE SYSTEMS
BT SOURCES
BT STATIONARY EMISSION SOURCES
SEWERAGE SYSTEMS
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT SEWAGE TREATMENT
NT SEWERS
NT SLUDGE
RT ODOROUS POLLUTANTS
UF SEWAGE
UF SIC 4952
SEWERS
BT ELECTRIC, GAS, AND SANITARY SERVICES
1-106
-------
THESAURUS
SIC 263
SEWERS—Continued
BT INDUSTRIAL EMISSION SOURCES
BT SANITARY SERVICES
BT SEWERAGE SYSTEMS
BT SOURCES
BT STATIONARY EMISSION SOURCES
SF NATEKO PROCESS
USE LIME/LIMESTONE PROCESSES
SHALE OIL
S TERM ADDED SEPTEMBER 1974
BT FUEL OILS
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
SHAPE (PARTICLE)
USE PARTICLE SHAPE
SHEEP
BT ANIMALS
BT ANIMALS (NON-HUMAN)
UF RAMS (SHEEP)
SHELLAC
USE VARNISHES AND SHELLAC
SHIP BUILDING AND REPAIRING
USE TRANSPORTATION EQUIPMENT MANUFACTURING
SHIPPING (MATERIALS)
USE MATERIALS HANDLING
SHIPS
USE VESSELS (MARINE)
SHIPYARDS
USE TRANSPORTATION EQUIPMENT MANUFACTURING
SHOPPING CENTERS
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT NON-RESIDENTIAL OPERATIONS
BT REAL PROPERTY OPERATIONS
BT SOURCES
BT STATIONARY EMISSION SOURCES
SHRUBS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
SIAMESE
USE THAI
SIC 0724
USE COTTON GINNING
SIC 072
USE CROP SERVICES
SIC 07
USE AGRICULTURAL SERVICES
SIC 131
USE PETROLEUM PRODUCTION
SIC 15
USE BUILDING CONSTRUCTION
SIC 16
USE CONSTRUCTION OTHER THAN BUILDING
CONSTRUCTION
SIC 17
USE CONSTRUCTION-SPECIAL TRADES
SIC 1795
USE WRECKING AND DEMOLITION
SIC 2011
USE MEAT PACKING PLANTS
SIC 201
USE MEAT PRODUCTS INDUSTRY
SIC 202
USE DAIRY PRODUCTS INDUSTRY
SIC 2033
USE CANNING
SIC 2041
USE FLOUR PROCESSING
SIC 2048
USE FEED PROCESSING
SIC 204
USE GRAIN PROCESSING
SIC 205
USE BAKERIES
SIC 206
USE SUGAR AND CONFECTIONARY PRODUCTS
INDUSTRY
SIC 207
USE FAT AND OIL PRODUCTION
SIC 208
USE BEVERAGE INDUSTRY
SIC 20
USE FOOD AND KINDRED PRODUCTS INDUSTRY
SIC 2095
USE COFFEE ROASTING
SIC 21
USE TOBACCO MANUFACTURES
SIC 22
USE TEXTILE MILLS
SIC 24
USE LUMBER AND WOOD PRODUCTS INDUSTRY
SIC 25
USE FURNITURE INDUSTRY
SIC 261
USE PULP MILLS
SIC 262
USE PAPER MILLS
SIC 263
USE PAPERBOARD MILLS
1-107
-------
SIC 266
THESAURUS
SIC 266
USE BUILDING PAPER AND BOARD MILLS
SIC 26
USE PAPER AND ALLIED MANUFACTURING
SIC 27
USE PRINTING AND PUBLISHING
SIC 2812
USE ALKALIES AND CHLORINE PLANTS
SIC 281
USE INDUSTRIAL INORGANIC CHEMICAL PLANTS
SIC 2821
USE PLASTICS MATERIALS AND RESINS PLANTS
SIC 2822
USE SYNTHETIC RUBBER PLANTS
SIC 282
USE PLASTICS MATERIALS AND SYNTHETIC PLANTS
SIC 2841
USE SOAP AND DETERGENT PLANTS
SIC 285
USE PAINTS AND ALLIED PRODUCTION
SIC 2865
USE CYCLIC CRUDES AND INTERMEDIATE
PRODUCTION
SIC 2873
USE NITROGENOUS FERTILIZER PLANTS
SIC 2874
USE PHOSPHATIC FERTILIZER PLANTS
SIC 287
USE AGRICULTURAL CHEMICAL PLANTS
SIC 2892
USE EXPLOSIVES PRODUCTION
SIC 28
USE CHEMICALS AND ALLIED MANUFACTURING
SIC 2895
USE CARBON BLACK PRODUCTION
SIC 291
USE PETROLEUM REFINING
SIC 295
USE PAVING AND ROOFING MATERIALS PRODUCTION
SIC 29
USE PETROLEUM AND COAL PRODUCTS INDUSTRY
SIC 30
USE RUBBER AND MISCELLANEOUS PLASTICS
PRODUCTION
SIC 31
USE LEATHER AND LEATHER PRODUCTS INDUSTRY
SIC 324
USE CEMENT PLANTS (HYDRAULIC)
SIC 3251
USE BRICK AND STRUCTURAL CLAY TILE WORKS
SIC 3274
USE LIME PLANTS
SIC 3292
USE ASBESTOS PRODUCTS PLANTS
SIC 32
USE STONE, CLAY, GLASS, AND CONCRETE
PRODUCTION
SIC 3312
USE BLAST FURNACES AND STEEL MILLS
SIC 3313
USE ELECTROMETALLURGICAL PRODUCTS MILLS
SIC 331
USE BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
SIC 3321
USE GRAY IRON FOUNDRIES
SIC 3322
USE MALLEABLE IRON FOUNDRIES
SIC 3324
USE STEEL INVESTMENT FOUNDRIES
SIC 332
USE IRON AND STEEL FOUNDRIES
SIC 3331
USE COPPER PRIMARY SMELTING AND REFINING
SIC 3332
USE LEAD PRIMARY SMELTING AND REFINING
SIC 3333
USE ZINC PRIMARY SMELTING AND REFINING
SIC 3334
USE ALUMINUM PRIMARY PRODUCTION
SIC 333
USE PRIMARY SMELTING AND REFINING OF
NONFERROUS METALS
SIC 334
USE SECONDARY SMELTING AND REFINING OF
NONFERROUS METALS
SIC 3362
USE BRASS, BRONZE, AND COPPER FOUNDRIES
SIC 336
USE NONFERROUS FOUNDRIES
SIC 33
USE METAL INDUSTRIES
SIC 3471
USE PLATING AND POLISHING
SIC 347
USE COATING, ENGRAVING AND ALLIED SERVICES
1-108
-------
THESAURUS
SINGLE CHAMBER INCINERATORS
SIC 34
USE METAL FABRICATION
SIC 35
USE MACHINERY (EXCEPT ELECTRICAL)
MANUFACTURING
SIC 36
USE ELECTRICAL AND ELECTRONIC EQUIPMENT
PLANTS
SIC 37
USE TRANSPORTATION EQUIPMENT MANUFACTURING
SIC 40
USE RAILROAD VEHICLES
SIC 42
USE TRUCKS
SIC 44
USE VESSELS (MARINE)
SIC 45
USE AIRCRAFT
SIC 491
USE ELECTRIC POWER GENERATION
SIC 492
USE GAS PRODUCTION AND DISTRIBUTION
SIC 4952
USE SEWERAGE SYSTEMS
SIC 4953
USE REFUSE SYSTEMS
SIC 495
USE SANITARY SERVICES
SIC 49
USE ELECTRIC, GAS, AND SANITARY SERVICES
SIC 554
USE GASOLINE SERVICE STATIONS
SIC 5983
USE FUEL OIL DEALERS
SIC 5984
USE LIQUEFIED PETROLEUM GAS DEALERS
SIC 6512
USE NON-RESIDENTIAL OPERATIONS
SIC 651
USE REAL PROPERTY OPERATIONS
SIC 70
USE HOTELS AND OTHER LODGING PLACES
SIC 7216
USE DRY CLEANING PLANTS (EXCEPT RUG)
SIC 752
USE PARKING FACILITIES
SIC 8221
USE UNIVERSITIES
SIC 82
USE EDUCATION
SIC 861
USE TRADE ASSOCIATIONS
SIC 88
USE RESIDENTIAL SOURCES
SIC 892
USE RESEARCH INSTITUTES
SIC 9511
USE CONTROL AGENCIES
SIEVE ANALYSIS
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SIZE CLASSIFICATION
UF SCREEN ANALYSIS
UF SIZE CONSIST
SIEVE PLATE TOWERS
S TERM ADDED SEPTEMBER 1974
BT CONTROL EQUIPMENT-GAS STREAMS
BT SCRUBBERS
BT TRAY TOWERS
SILICA
USE SILICON DIOXIDE
SILICATES
BT SILICON COMPOUNDS
SILICON COMPOUNDS
NT SILICATES
RT SILICON DIOXIDE
SILICON DIOXIDE
BT OXIDES
RT SILICON COMPOUNDS
UF SILICA
SILICOSIS
BT DISEASES AND DISORDERS
BT PNEUMOCONIOSIS
BT RESPIRATORY DISEASES
RT OCCUPATIONAL HEALTH
SILVER COMPOUNDS
BT METAL COMPOUNDS
NT SILVER IODIDE
SILVER IODIDE
BT METAL COMPOUNDS
BT SILVER COMPOUNDS
RT IODIDES
SILVICIDES
USE HERBICIDES
SIMULATION
RT CONTROLLED ATMOSPHERES
RT DIFFUSION MODELS
RT MATHEMATICAL ANALYSES
RT MATHEMATICAL MODELING
UF MODELS (SIMULATION)
SINGLE CHAMBER INCINERATORS
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INCINERATORS (REFUSE)
1-109
-------
SINKS (POLLUTANTS)
SINGLE CHAMBER INCINERATORS—Continued
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
SINKS (POLLUTANTS)
USE POLLUTANT SINKS
SINTERING
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT BLAST FURNACES AND STEEL MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
SINUSES
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT RESPIRATORY SYSTEM
RT NOSE
SIPS (STATE IMPLEMENTATION PLANS)
USE IMPLEMENTATION PLANS
SITE SELECTION
S TERM ADDED SEPTEMBER 1974
RT PLANNING AND ZONING
UF LOCATION SELECTION
UF PLANT LOCATION
SIZE (PARTICLE)
USE PARTICLE SIZE
SIZE CONSIST
USE SIEVE ANALYSIS
THESAURUS
SKIN
S
USE
SUPERSEDED TERM
SKIN (ANATOMY)
SKIN (ANATOMY)
BT BIOLOGICAL CONSTITUENTS AND PARTS
UF SKIN
SKIN CANCER
BT CANCER
BT DISEASES AND DISORDERS
SKIN TESTS
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT DIAGNOSIS
BT TREATMENT AND AIDS
RT ALLERGIES
SLAUGHTERHOUSES
USE SLAUGHTERING PLANTS
SLAUGHTERING PLANTS
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT MEAT PACKING PLANTS
BT MEAT PRODUCTS INDUSTRY
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT FEEDLOTS
RT RENDERING PLANTS, GREASE AND TALLOW
UF ABATTOIRS
UF SLAUGHTERHOUSES
SLOVAK
S LANGUAGE
UF SLOVAKIAN
SLOVAKIAN
USE SLOVAK
SLOVENE
USE SLOVENIAN
SLOVENIAN
S LANGUAGE
UF SLOVENE
SLUDGE
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT SANITARY SERVICES
BT SEWERAGE SYSTEMS
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF RAW SLUDGE
UF SEWAGE SLUDGE
SLUDGE INCINERATORS
S TERM ADDED SEPTEMBER 1974
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INCINERATORS (REFUSE)
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
SMELL (POLLUTANT)
USE ODOROUS POLLUTANTS
SMELL (SENSE)
USE OLFACTION
SMELTERS (METAL)
USE METAL INDUSTRIES
SMELTING
USE METAL INDUSTRIES
SMOG
BT PARTICULATES
BT POLLUTANTS
BT SUSPENDED PARTICULATES
RT PHOTOCHEMICAL REACTIONS
RT SMOG INDEX
SMOG INDEX
RT AIR POLLUTION INDICES
RT AIR QUALITY MEASUREMENTS
RT SMOG
SMOKE ABATEMENT
USE ABATEMENT
SMOKEHOUSES
USE MEAT PRODUCTS INDUSTRY
1-110
-------
THESAURUS
SODIUM HYPOCHLORITE
SMOKEMETERS
BT MEASUREMENT METHODS
NT TRANSMISSOMETERS
SMOKERS
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT SMOKING
SMOKES
BT PARTICULATES
BT POLLUTANTS
BT SUSPENDED PARTICULATES
NT TOBACCO SMOKE
RT COMBUSTION PRODUCTS
RT SOOT
SMOKE SHADE
NT RINGELMANN CHART
SMOKESTACKS
USE STACKS
SMOKING
BT BIOLOGICAL PROCESSES AND FUNCTIONS
NT NON-SMOKERS
NT PASSIVE SMOKING
NT SMOKERS
UF CIGARETTE SMOKING
SNAPDRAGON
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
SNG
USE SYNTHETIC NATURAL GAS (SNG)
SNOW
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
BT PRECIPITATION
SNOWBERRY
S TERM ADDED SEPTEMBER 1974
BT ORNAMENTALS
BT PLANTS (BOTANY)
SO2 REMOVAL (COMBUSTION PRODUCTS)
S SUPERSEDED TERM
USE SOX CONTROL
SOAP AND DETERGENT PLANTS
S TERM ADDED SEPTEMBER 1974
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STAT.ONARY EMISSION SOURCES
NT DETERGENT MANUFACTURING
NT SOAP MANUFACTURING
UF SIC 2841
SOAP MANUFACTURING
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOAP AND DETERGENT PLANTS
BT
BT
SOURCES
STATIONARY EMISSION SOURCES
SOCIAL ASPECTS
S SUPERSEDED CATEGORY TERM
USE SOCIAL ASPECTS AND PUBLIC INVOLVEMENT
SOCIAL ASPECTS AND PUBLIC INVOLVEMENT
S CATEGORY
UF C/A-SOCIAL ASPECTS
UF C/S-SOCIAL ASPECTS
UF SOCIAL ASPECTS
SOCIAL ATTITUDES
RT OPINION SURVEYS
RT PUBLIC AFFAIRS
UF ATTITUDES (SOCIAL)
UF PUBLIC ATTITUDE
UF PUBLIC OPINION
SOCIETIES (TECHNICAL)
USE TECHNICAL SOCIETIES
SOCIO-ECONOMIC FACTORS
S TERM ADDED APRIL 1967
RT ETHNIC FACTORS
SODA ASH
USE SODIUM CARBONATE
SODIUM ALUMINATES (ALKALIZED ALUMINA)
USE ALKALIZED ALUMINA
SODIUM BICARBONATE MANUFACTURING
USE ALKALIES AND CHLORINE PLANTS
SODIUM CARBONATE
BT METAL COMPOUNDS
BT SODIUM COMPOUNDS
RT CARBONATES
UF SODA ASH
SODIUM CARBONATE MANUFACTURING
USE ALKALIES AND CHLORINE PLANTS
SODIUM CHLORIDE
BT METAL COMPOUNDS
BT SODIUM COMPOUNDS
RT CHLORIDES
RT SEA SALTS
SODIUM COMPOUNDS
BT METAL COMPOUNDS
NT SODIUM CARBONATE
NT SODIUM CHLORIDE
NT SODIUM HYDROXIDE
NT SODIUM HYPOCHLORITE
NT SODIUM SULFATE
NT SODIUM SULFITE
SODIUM HYDROXIDE
BT METAL COMPOUNDS
BT SODIUM COMPOUNDS
RT HYDROXIDES
UF CAUSTIC SODA
SODIUM HYPOCHLORITE
S TERM ADDED SEPTEMBER 1974
BT METAL COMPOUNDS
1-111
-------
SODIUM PROCESSES
THESAURUS
SODIUM HYPOCHLORITE—Continued
BT SODIUM COMPOUNDS
SODIUM PROCESSES
S TERM ADDED SEPTEMBER 1974
BT ALKALINE ADDITIVES
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
SODIUM SULFATE
S TERM ADDED SEPTEMBER 1974
BT METAL COMPOUNDS
BT SODIUM COMPOUNDS
SODIUM SULFATE MANUFACTURING
USE INDUSTRIAL INORGANIC CHEMICAL PLANTS
SODIUM SULFITE
BT METAL COMPOUNDS
BT SODIUM COMPOUNDS
RT SULFITES
SOILING
BT MATERIALS
BT MATERIALS DETERIORATION
SOILING INDEX
NT COEFFICIENT OF HAZE
NT REFLECTANCE UNIT DENSITY
UF INDEX (SOILING)
SOILS
S TERM ADDED APRIL 1967
BT TOPOGRAPHIC LOCATIONS
UF EARTH (SUBSTANCE)
SOLAR
S SUPERSEDED TERM
USE SOLAR RADIATION
SOLAR POWER
S TERM ADDED SEPTEMBER 1974
BT POWER SOURCES
BT SOURCES
SOLAR RADIATION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT LIGHT RADIATION
RT IRRADIATION CHAMBERS
RT PHOTOCHEMICAL REACTIONS
UF SOLAR
SOLIDS
BT CHEMICAL AND PHYSICAL PHENOMENA
BT PHYSICAL STATES
NT ICE
NT POWDER (PARTICLES)
SOLID STATE METHODS
S TERM ADDED SEPTEMBER 1974
BT ANALYTICAL METHODS
BT CHEMICAL METHODS
BT ELECTROCHEMICAL METHODS
SOLID WASTE DISPOSAL
USE REFUSE SYSTEMS
SOLID WASTE FILLS
USE LANDFILLS
SOLID WASTE FUELS
S TERM ADDED SEPTEMBER 1974
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT BAGASSE
UF REFUSE DERIVED FUELS
SOLUBILITY
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIES
UF MISCIBILITY
SOLUBLE/VOLATILE FILTRATION
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SEPARATION
SOLVENT EXTRACTION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
SOLVENT REFINING
BT COAL CONVERSION
BT CONTROL METHODS
BT FUEL TREATMENT
SOLVENTS
BT POLLUTANTS
NT DRY CLEANING SOLVENTS
NT PAINT REMOVERS
UF ORGANIC SOLVENTS
UF THINNERS
SONIC AGGLOMERATORS
S TERM ADDED SEPTEMBER 1974
BT COLLECTORS (MECHANICAL)
BT CONTROL EQUIPMENT-GAS STREAMS
RT SOUND
RT ULTRASONICS
UF AGGLOMERATORS (SONIC)
SOOT
BT PARTICULATES
BT POLLUTANTS
BT SETTLING PARTICLES
RT SMOKES
SOOT FALL
RT DUST FALL
SORGHUM
S TERM ADDED SEPTEMBER 1974
BT CROPS
BT PLANTS (BOTANY)
UF GRAIN SORGHUM
SOUND
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
RT SONIC AGGLOMERATORS
RT ULTRASONICS
UF SOUND WAVES
1-112
-------
THESAURUS
SPECIFIC WEIGHT
SOUND WAVES
USE SOUND
SOURCE MONITORING
S TERM ADDED JUL Y 1969
BT MEASUREMENT METHODS
BT MONITORING
NT STACK MONITORING
RT FIELD TESTS
UF SOURCE SAMPLING
SOURCES
NT MOBILE EMISSION SOURCES
NT NON-INDUSTRIAL EMISSION SOURCES (NEC)
NT POWER SOURCES
NT STATIONARY EMISSION SOURCES
RT AREA SOURCES
RT EMISSION INVENTORIES
RT LINE SOURCES
RT POINT SOURCES
SOURCE SAMPLING
USE SOURCE MONITORING
SOUTH AFRICA
S TERM ADDED SEPTEMBER 1974
BT AFRICA
SOUTH AMERICA
BT AMERICA
BT LATIN AMERICA
SOUTH CAROLINA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
SOUTH DAKOTA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
SOUTH PACIFIC
S TERM ADDED SEPTEMBER 1974
NT AUSTRALASIA
SOX CONTROL
BT CONTROL METHODS
BT WASTE GAS CONTROL
NT ALKALINE ADDITIVES
NT ALKALIZED ALUMINA
NT ASARCO DIMETHYLANILINE PROCESS
NT CAT-OX PROCESS
NT COMINCO SULFUR PROCESS
NT DOUBLE CONTACT PROCESS (CONTROL)
NT GE LIQUID MEMBRANE PROCESS
NT GRILLO PROCESS
NT JOHNSTONE ZINC OXIDE PROCESS
NT LURGI SULFACID PROCESS
NT MAGNESIUM OXIDE PROCESS
NT MANGANESE DIOXIDE PROCESS
NT MOLTEN CARBONATE PROCESS
NT PENELEC PROCESS
NT PETER SPENCE PROCESS (CLAUS)
NT REINLUFT PROCESS
NT STONE AND WEBSTER PROCESS
NT SULFIDINE PROCESS
NT TELLER PROCESS
NT WELLMAN LORD PROCESS
UF CITRATE PROCESS
UF POTASSIUM FORMATE PROCESS
UF SO2 REMOVAL (COMBUSTION PRODUCTS)
UF SULFUR OXIDES CONTROL
UF WESTVACO PROCESS
SOYBEANS
BT CROPS
BT PLANTS (BOTANY)
RT BEANS
SPACECRAFT ATMOSPHERES
S TERM ADDED JUL Y 1969
BT CONTROLLED ATMOSPHERES
RT SATELLITES (ARTIFICIAL)
SPACECRAFT LAUNCH VEHICLES
USE MISSILE AND SPACECRAFT LAUNCH VEHICLES
SPACE HEATING
S TERM ADDED SEPTEMBER 1974
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT DOMESTIC HEATING
UF HEATING (SPACE)
SPAIN
S TERM ADDED SEPTEMBER 1974
BT EUROPE
BT WESTERN EUROPE
SPANISH
S LANGUAGE
UF MEXICAN
SPARK IGNITION ENGINES
BT ENGINES
BT INTERNAL COMBUSTION ENGINES
BT POWER SOURCES
BT SOURCES
UF OTTO CYCLE ENGINES
SPARK TIMING
S TERM ADDED JUL Y 1969
BT AUTOMOTIVE EMISSION CONTROL
BT CONTROL METHODS
BT ENGINE OPERATION MODIFICATION
UF TIMING (SPARK)
SPECIAL TRADES
USE CONSTRUCTION-SPECIAL TRADES
SPECIFIC GRAVITY
USE DENSITY
SPECIFIC HEAT
USE HEAT CAPACITY
SPECIFIC ION ELECTRODE
S TERM ADDED SEPTEMBER 1974
BT MEASUREMENT METHODS
UF ION SELECTIVE ELECTRODE METHODS
SPECIFIC VOLUME
USE DENSITY
SPECIFIC WEIGHT
USE DENSITY
1-113
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SPECTROMETRY
THESAURUS
SPECTROMETRY
BT ANALYTICAL METHODS
NT ATOMIC ABSORPTION SPECTROMETRY
NT EMISSION SPECTROMETRY
NT INFRARED SPECTROMETRY
NT MASS SPECTROMETRY
NT TUNED LASER SPECTROMETRY
NT ULTRAVIOLET SPECTROMETRY
NT X-RAY FLUORESCENCE SPECTROMETRY
UF SPECTROSCOPY
SPECTROPHOTOMETRY
BT ANALYTICAL METHODS
NT AZO DYE
NT QUENCHING
SPECTROSCOPY
USE SPECTROMETRY
SPEED
USE VELOCITY
SPERMATOZOA
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT CELLS (BIOLOGY)
RT REPRODUCTION (BIOLOGICAL)
UF GERM CELLS
SPHERICAL PARTICLES
S TERM ADDED SEPTEMBER 1974
BT AEROSOL PHENOMENA
BT PARTICLE SHAPE
BT PARTICLE SIZE, SHAPE, AND STRUCTURE
BT PARTICULATE PROPERTIES
SPINACH
BT PLANTS (BOTANY)
BT VEGETABLES
SPOIL BANK BURNING (COAL)
USE GOBPILE BURNING (COAL REFUSE)
SPONGINESS
USE POROSITY
SPORES
BT MICROORGANISMS
SPORTS COMPLEXES
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT NON-RESIDENTIAL OPERATIONS
BT REAL PROPERTY OPERATIONS
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT RECREATION AREAS
SPOT TESTS
BT ANALYTICAL METHODS
SPRAY COATING
S TERM ADDED SEPTEMBER 1974
BT SOURCES
BT STATIONARY EMISSION SOURCES
BT SURFACE COATING OPERATIONS
RT SPRAYS
SPRAY DRIER
USE DRYING
SPRAYING (CROPS)
USE CROP SPRAYING
SPRAYS (ORDINARY AEROSOL CONTAINER)
USE AEROSOL SPRAYS (ORDINARY)
SPRAYS
BT PARTICULATES
BT POLLUTANTS
BT SETTLING PARTICLES
RT CROP SPRAYING
RT SPRAY COATING
RT MISTS
SPRAY TOWERS
BT CONTROL EQUIPMENT-GAS STREAMS
BT SCRUBBERS
SPREADER STOKERS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT FIRING METHODS
BT FUEL CHARGING
BT PROCESS MODIFICATION
BT STOKERS
SPRUCE TREES
S TERM ADDED SEPTEMBER 1974
BT CONIFERS
BT PINE TREES
BT PLANTS (BOTANY)
BT TREES
SPUTUM
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT BODY FLUIDS
SQUASH
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
BT VEGETABLES
SST
USE
SUPERSONIC AIRCRAFT
STABILITY (ATMOSPHERIC)
BT ATMOSPHERIC PHENOMENA
NT INVERSION
NT LAPSE CONDITION
NT NEUTRAL CONDITION
NT STAGNATION
NT TEMPERATURE GRADIENT
UF ATMOSPHERIC STABILITY
STACK DIAMETER
S TERM ADDED SEPTEMBER 1974
BT STACKS
STACK GASES
S TERM ADDED SEPTEMBER 1974
BT POLLUTANTS
BT WASTE GASES
RT COMBUSTION GASES
RT PLUME BEHAVIOR
RT HEIGHT FINDING
UF FLUE GASES
1-114
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THESAURUS
STEAM ENGINES
STACK HEIGHT
BT STACKS
STACK MONITORING
BT MEASUREMENT METHODS
BT MONITORING
BT SOURCE MONITORING
UF STACK SAMPLING
STACKS
NT MULTIPLE-SOURCE STACKS
NT STACK DIAMETER
NT STACK HEIGHT
RT TALL STACK ISSUE
UF CHIMNEYS
UF SMOKESTACKS
STACK SAMPLING
USE STACK MONITORING
STAFF (PERSONNEL)
USE PERSONNEL
STAGNATION
BT ATMOSPHERIC PHENOMENA
BT STABILITY (ATMOSPHERIC)
STAINLESS STEEL
S TERM ADDED SEPTEMBER 1974
BT IRON
BT MATERIALS
BT METALS
BT STEEL
STANDARD GASES
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
BT GASES
BT PHYSICAL STATES
STANDARD METROPOLITAN STATISTICAL AREAS
USE METROPOLITAN AREAS
STANDARDS
NT AIR QUALITY STANDARDS
NT DESIGN STANDARDS
NT EQUIPMENT STANDARDS
NT FUEL STANDARDS
NT PERFORMANCE STANDARDS
RT CODES OF PRACTICE
UF AIR POLLUTION STANDARDS
STANDARDS AND CRITERIA
S CATEGORY
UF C/A-STDS AND CRIT
UF C/S-STDS AND CRIT
UF STDS AND CRIT
STANDARDS COMPLIANCE
USE COMPLIANCE SCHEDULES
STANNIC COMPOUNDS
USE TIN COMPOUNDS
STANNOUS COMPOUNDS
USE TIN COMPOUNDS
STARCH MANUFACTURING
USE GRAIN PROCESSING
STATE
S SUPERSEDED TERM
USE STATE GOVERNMENTS
STATE GOVERNMENTS
BT GOVERNMENTS
UF STATE
STATIONARY EMISSION SOURCES
S TERM ADDED SEPTEMBER 1974
BT SOURCES
NT BOILERS
NT BURNING
NT CHEMICAL PROCESSES
NT COMPLEX SOURCES
NT COOLING TOWERS
NT CORE OVENS
NT DECREASING
NT DIGESTERS
NT ELECTRICAL DISCHARGES
NT EVAPORATORS
NT EXPLOSIONS
NT FUEL CHARACTERISTICS
NT FUEL RESOURCES
NT FUEL USAGE
NT FUELS
NT FUGITIVE DUST SOURCES
NT FURNACES
NT INDUSTRIAL EMISSION SOURCES
NT KILNS
NT MATERIALS HANDLING
NT NON-INDUSTRIAL EMISSION SOURCES
(STATIONARY)
NT PIPELINES
NT SPACE HEATING
NT SURFACE COATING OPERATIONS
STATISTICAL ANALYSES
RT DATA ANALYSIS
RT HEALTH STATISTICS
UF ANALYSIS (STATISTICAL)
STATUTES
USE LEGISLATION
STDS AND CRIT
S SUPERSEDED CATEGORY TERM
USE STANDARDS AND CRITERIA
STEAM
BT CHEMICAL AND PHYSICAL PHENOMENA
BT PHYSICAL STATES
BT VAPORS
STEAM ELECTRIC POWER GENERATION
BT ELECTRIC POWER GENERATION
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT BOILERS
RT GEOTHERMAL POWER
UF STEAM PLANTS
UF THERMAL POWER GENERATION (STEAM)
STEAM ENGINES
BT ENGINES
BT EXTERNAL COMBUSTION ENGINES
-115
-------
STEAM GENERATORS
THESAURUS
STEAM ENGINES—Continued
BT POWER SOURCES
BT RANKINE CYCLE ENGINES
BT SOURCES
STEAM GENERATORS
USE BOILERS
STEAM PLANTS
USE STEAM ELECTRIC POWER GENERATION
STEEL
BT IRON
BT MATERIALS
BT METALS
NT STAINLESS STEEL
STEEL INVESTMENT FOUNDRIES
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT IRON AND STEEL FOUNDRIES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF FOUNDRIES (STEEL INVESTMENT)
UF SIC 3324
STEEL MILLS
USE BLAST FURNACES AND STEEL MILLS
STEEL PRODUCTION (ELECTROMETALLURGICAL)
USE STEEL PRODUCTION-E
STEEL PRODUCTION (PYROMETALLURGICAL)
USE BLAST FURNACES AND STEEL MILLS
STEEL PRODUCTION-E
S BY ELECTROMETALLURGICAL PROCESSES
S TERM ADDED SEPTEMBER 1974
BT BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BT ELECTROMETALLURGICAL PRODUCTS MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF STEEL PRODUCTION (ELECTROMETALLURGICAL)
STEEL PRODUCTS MILLS
USE BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
STERILITY
BT DISEASES AND DISORDERS
UF STERILIZATION
STERILIZATION
USE STERILITY
STERILIZATION PHENOMENA
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
RT AUTOCLAVES
STILBENE
BT AROMATIC HYDROCARBONS
BT DIPHENYLS
BT HYDROCARBONS
BT PHENYL COMPOUNDS
UF DIPHENYLETHYLENE (1-2)
STIPPLING
BT PLANT DAMAGE
STIRLING CYCLE ENGINES
S TERM ADDED SEPTEMBER 1974
BT ENGINES
BT POWER SOURCES
BT SOURCES
UF HOT AIR ENGINES
ST LOUIS
S TERM ADDED APRIL 1967
BT AMERICA
BT MISSOURI
BT NORTH AMERICA
BT UNITED STATES
STOCKYARDS (FATTENING)
USE FEEDLOTS
STOKERS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT FIRING METHODS
BT FUEL CHARGING
BT PROCESS MODIFICATION
NT SPREADER STOKERS
STOMACH
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT DIGESTIVE SYSTEM
STOMATA
S TERM ADDED SEPTEMBER 1974
RT PLANTS (BOTANY)
STONE
BT CONSTRUCTION MATERIALS
BT MATERIALS
STONE AND WEBSTER PROCESS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
STONE, CLAY, GLASS, AND CONCRETE PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT ASBESTOS PRODUCTS PLANTS
NT BRICK AND STRUCTURAL CLAY TILE WORKS
NT CEMENT PLANTS (HYDRAULIC)
NT GLASS MANUFACTURING AND PROCESSING
NT LIME PLANTS
UF CLAY (STRUCTURAL) PRODUCTION
UF CLAY REFRACTORIES PRODUCTION
UF CONCRETE (READY-MIXED) PRODUCTION
UF CONCRETE PRODUCTS MANUFACTURING
UF DIATOMACEOUS EARTH PRODUCTION
UF GYPSUM PRODUCTS MANUFACTURING
-116
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THESAURUS
SUGAR AND CONFECTIONARY PRODUCTS INDUSTRY
STONE, CLAY, GLASS, AND CONCRETE PRODUCTION—
Continued
UF MINERAL WOOL PRODUCTION
UF NONCLAY REFRACTORIES PRODUCTION
UF PAVING MATERIALS PRODUCTION (NON-ASPHALT,
NON-TAR)
UF PERLITE PRODUCTION
UF PLASTER PRODUCTS MANUFACTURING
UF QUARRYING (STONE)
UF SIC 32
STORAGE AND RETRIEVAL OF AEROMETRIC DATA
(SAROAD)
USE DATA RETRIEVAL
STORAGE BATTERIES
USE ELECTRIC BATTERIES
STORAGE FACILITIES (BULK LIQUID)
S TERM ADDED SEPTEMBER 1974
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT POL STORAGE
UF LIQUID BULK STORAGE FACILITIES
UF TANKS (LIQUID STORAGE)
STRATIFIED CHARGE ENGINES
BT ENGINES
BT INTERNAL COMBUSTION ENGINES
BT POWER SOURCES
BT SOURCES
UF CVCC ENGINES
STRAWBERRIES
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
UF STRAWBERRYS
STRAWBERRYS
USE STRAWBERRIES
STREAMS
USE RIVERS
STREETS
BT ROADS
RT HIGHWAYS
RT VEHICULAR TRAFFIC
STRETFORD PROCESS
USE WASTE GAS CONTROL
STRONTIUM COMPOUNDS
BT METAL COMPOUNDS
STRUCTURAL CLAY TILE WORKS
USE BRICK AND STRUCTURAL CLAY TILE WORKS
STRUCTURAL MATERIALS
USE CONSTRUCTION MATERIALS
STRUCTURE FIRES
S TERM ADDED SEPTEMBER 1974
BT NON-INDUSTRIAL EMISSION SOURCES
(STATIONARY)
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF FIRES (STRUCTURE)
STRUCTURES
S TERM ADDED SEPTEMBER 1974
NT BUILDINGS
NT SUBSURFACE STRUCTURES
RT INDOOR
STUDENTS
BT PERSONNEL
NT COLLEGE STUDENTS
NT PRIMARY SCHOOL STUDENTS
NT SECONDARY SCHOOL STUDENTS
RT EDUCATION
UF SCHOOL STUDENTS
STYRENES
BT AROMATIC HYDROCARBONS
BT HYDROCARBONS
BT PHENYL COMPOUNDS
BT PHENYLS
UF VINYL BENZENE
SUBLIMATION
BT CHEMICAL AND PHYSICAL PHENOMENA -.
SUBSIDIES
USE GRANTS
SUBSISTENCE (FOOD)
USE FOOD
SUBSTITUTION (FUEL)
USE FUEL SUBSTITUTION
SUBSURFACE STRUCTURES
S TERM ADDED'SEPTEMBER 1974
BT STRUCTURES
NT SUBWAYS
NT TUNNELS
UF UNDERGROUND STRUCTURES
SUBURBAN AREAS
S TERM ADDED SEPTEMBER 1974
BT METROPOLITAN AREAS
RT URBAN AREAS
SUBWAYS
BT STRUCTURES
BT SUBSURFACE STRUCTURES
RT • RAILROAD VEHICLES
SUFFOCATION
USE ASPHYXIATION
SUGAR AND CONFECTIONARY PRODUCTS INDUSTRY
S TERM ADDED SEPTEMBER 1.974
BT FOOD AND KINDRED PRODUCTS INDUSTRY
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF BEET SUGAR MANUFACTURING
UF CANDY MANUFACTURING
UF CANE SUGAR REFINING
UF CONFECTIONARY PRODUCTS INDUSTRY
UF SIC 206
1-117
-------
SUGAR CANE
THESAURUS
SUGAR CANE
S TERM ADDED SEPTEMBER 1974
BT CROPS
BT PLANTS (BOTANY)
UF CANE (SUGAR)
SUGAR CANE BAGASSE
USE BAGASSE
SULFATE PULPING
USE KRAFT (SULFATE) PULPING
SULFATES
BT SULFUR COMPOUNDS
SULFATION (CONTROL)
USE CONTROL,METHODS
SULFATION-OF-LEAD METHODS
BT CUMULATIVE MEASUREMENT METHODS
BT MEASUREMENT METHODS
UF LEAD PEROXIDE CANDLE
SULFHYDRYL COMPOUNDS
S TERM ADDED APRIL 1967
BT SULFUR ORGANIC COMPOUNDS
SULFIDES
BT SULFUR COMPOUNDS
NT CARBON DISULFIDE
NT HYDROGEN SULFIDE
SULFIDINE PROCESS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
SULFITE PULPING
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PAPER AND ALLIED MANUFACTURING
BT PULP MILLS
BT SOURCES
BT STATIONARY EMISSION SOURCES
SULFITES
BT SULFUR COMPOUNDS
RT SODIUM SULFITE
SULFONIC ACID
BT ACIDS
BT ORGANIC ACIDS
RT SULFUR ORGANIC COMPOUNDS
SULFOX PROCESS
USE WASTE GAS CONTROL
SULFUR COMPOUNDS
NT SULFATES
NT SULFIDES
NT SULFITES
RT SULFUR ORGANIC COMPOUNDS
RT SULFUR OXIDES
SULFUR CONTENT (FUEL)
USE FUEL SULFUR CONTENT
SULFUR DIOXIDE
BT OXIDES
BT SULFUR OXIDES
SULFURIC
S SUPERSEDED TERM
USE SULFURIC ACID
SULFURIC ACID
BT ACIDS
BT INORGANIC ACIDS
UF OLEUM
UF SULFURIC
SULFURIC ACID PLANTS
S TERM ADDED SEPTEMBER 1974
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT INDUSTRIAL INORGANIC CHEMICAL PLANTS
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT CHAMBER PROCESS
RT CONTACT PROCESS
SULFUR ORGANIC COMPOUNDS
NT DIMETHYL DISULFIDE
NT MERCAPTANS
NT METHYL SULFIDE
NT SULFHYDRYL COMPOUNDS
NT THIOPHENE
RT SULFUR COMPOUNDS
RT SULFONIC ACID
UF ORGANIC SULFUR COMPOUNDS
UF THIOLS
SULFUR OXIDES
BT OXIDES
NT SULFUR DIOXIDE
NT SULFUR TRIOXIDE
RT SULFUR COMPOUNDS
SULFUR OXIDES CONTROL
USE SOX CONTROL
SULFUR PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
SULFUR TRIOXIDE
BT OXIDES
BT SULFUR OXIDES
SUNFLOWER
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
SUPERCOOLING
BT CHEMICAL AND PHYSICAL PHENOMENA
BT COOLING
BT HEAT TRANSFER
SUPERPHOSPHATE PLANTS
S TERM ADDED SEPTEMBER 1974
1-118
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THESAURUS
SYMPOSIA
SUPERPHOSPHATE PLANTS—Continued
BT AGRICULTURAL CHEMICAL PLANTS
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PHOSPHATIC FERTILIZER PLANTS
BT SOURCES
BT STATIONARY EMISSION SOURCES
SUPERSATURATION
BT CHEMICAL AND PHYSICAL PHENOMENA
SUPERSONIC AIRCRAFT
S TERM ADDED SEPTEMBER 1974
BT AIRCRAFT
BT JET AIRCRAFT
BT MOBILE EMISSION SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
UF CONCORDE AIRCRAFT
UF SST
SUPPLY
USE AVAILABILITY
SURFACE ACTIVE AGENTS
USE SURFACTANTS
SURFACE COATING OPERATIONS
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT SPRAY COATING
RT COATING, ENGRAVING AND ALLIED SERVICES
UF PAINT DIPPING
UF PAINT SPRAYING
SURFACE COATINGS
BT MATERIALS
NT ENAMELS
NT LACQUERS
NT PAINTS
NT PRIMERS
NT VARNISHES AND SHELLAC
UF COATINGS
SURFACE FINISHING AND COATING AEROSOLS
S TERM ADDED SEPTEMBER 1974
BT AEROSOL APPLICATIONS
BT AEROSOL PHENOMENA
BT TECHNOLOGICAL APPLICATIONS
SURFACE PROPERTIES
BT CHEMICAL AND PHYSICAL PROPERTIES
NT ADHESION
NT POROSITY
NT SURFACE TENSION
RT SURFACTANTS
SURFACE TENSION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIES
BT SURFACE PROPERTIES
UF INTERFACIAL TENSION
SURFACTANTS
S TERM ADDED APRIL 1967
BT CHEMICAL AND PHYSICAL PHENOMENA
RT SURFACE PROPERTIES
UF SURFACE ACTIVE AGENTS
SURGERY
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
BT TREATMENT AND AIDS
SURVEY METHODS
BT ADMINISTRATION
BT AIR QUALITY MEASUREMENT PROGRAMS
BT PLANS AND PROGRAMS
RT POPULATION
SURVEYS (AIR QUALITY)
USE AIR QUALITY SURVEYS
SURVEYS (HEALTH)
USE HEALTH SURVEYS
SURVEYS (OPINION)
USE OPINION SURVEYS
SUSCEPTABILITY
USE TOXIC TOLERANCES
SUSPENDED PARTICULATES
BT PARTICULATES
BT POLLUTANTS
NT DROPLETS
NT FLY ASH
NT FUMES
NT MISTS
NT POLLENS
NT SMOG
NT SMOKES
RT AEROSOLS
UF TOTAL SUSPENDED PARTICULATES
SUSPENSIONS
USE DISPERSIONS
SWEDEN
S TERM ADDED APRIL 1967
BT EUROPE
BT SCANDINAVIA
BT WESTERN EUROPE
SWEDISH
S LANGUAGE
SWEET PEA
BT FLOWERS
BT PLANTS (BOTANY)
RT PEAS
SWEET POTATOES
USE POTATOES (SWEET)
SWINE
USE HOGS
SWITZERLAND
S TERM ADDED SEPTEMBER 1974
BT EUROPE
BT WESTERN EUROPE
SYMAP COMPUTER PROGRAM
USE COMPUTER PROGRAMS
SYMPOSIA
USE MEETINGS
1-119
-------
SYNERGISM
THESAURUS
SYNERGISM
BT BIOLOGICAL PROCESSES AND FUNCTIONS
RT INHIBITION
UF POTENTIATION
SYNTHESIS GAS CLEANING
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT FUEL TREATMENT
SYNTHETIC
S SUPERSEDED TERM
USE SYNTHETIC RUBBER
SYNTHETIC FIBERS
BT MATERIALS
BT TEXTILES
NT NYLON
NT ORLON
RT PLASTICS MATERIALS AND SYNTHETIC PLANTS
UF ARTIFICIAL FIBERS
UF FIBERS (SYNTHETIC)
SYNTHETIC NATURAL GAS (SNG)
S TERM ADDED SEPTEMBER 1974
BT FUEL GASES
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT NATURAL GAS
UF SNG
SYNTHETIC RESINS PLANTS
USE PLASTICS MATERIALS AND RESINS PLANTS
SYNTHETIC RUBBER
BT MATERIALS
BT RUBBER
UF SYNTHETIC
SYNTHETIC RUBBER PLANTS
S TERM ADDED SEPTEMBER 1974
BT CHEMICALS AND ALLIED MANUFACTURING
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT PLASTICS MATERIALS AND SYNTHETIC PLANTS
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT RUBBER PRODUCTION
UF NEOPRENE MANUFACTURING
UF RUBBER (SYNTHETIC) PLANTS
UF SIC 2822
TABLES AND CLASSIFIERS
S TERM ADDED SEPTEMBER 1974
BT COAL PREPARATION
BT CONTROL METHODS
BT FUEL TREATMENT
UF CLASSIFIERS (COAL)
TADZHIK
S LANGUAGE
TAGALOG
S LANGUAGE
TAILINGS FIRES (COAL)
USE GOBPILE BURNING (COAL REFUSE)
TALL OIL MANUFACTURING
USE CHEMICAL AND ALLIED MANUFACTURING
TALLOW RENDERING
USE RENDERING PLANTS, GREASE AND TALLOW
TALL STACK ISSUE
RT DISPERSION
RT STACKS
TANKS (LIQUID STORAGE)
USE STORAGE FACILITIES (BULK LIQUID)
TANNERIES (LEATHER)
USE LEATHER AND LEATHER PRODUCTS INDUSTRY
TAPE SAMPLERS (NEC)
S TERM ADDED SEPTEMBER 1974
BT SAMPLERS
BT SAMPLING METHODS
TAPE SAMPLERS (REFLECTANCE)
S TERM ADDED SEPTEMBER 1974
BT SAMPLERS
BT SAMPLING METHODS
TAPE SAMPLERS (TRANSMITTANCE)
S TERM ADDED SEPTEMBER 1974
BT SAMPLERS
BT SAMPLING METHODS
UF HEMEON AUTOMATIC SMOKE SAMPLERS
TAR (MATERIAL)
BT MATERIALS
UF PITCH (MATERIAL)
TARS (POLLUTANTS)
BT POLLUTANTS
RT POLYNUCLEAR COMPOUNDS
UF COAL TARS
TAXATION
RT ECONOMICS
TAX INCENTIVES
USE INCENTIVES
TEA
S TERM ADDED SEPTEMBER 1974
BT CROPS
BT PLANTS (BOTANY)
TEACHERS
USE INSTRUCTORS
TEACHING
USE EDUCATION
TECH
USE REVIEWS (TECHNICAL)
TECHNICAL SOCIETIES
RT MEETINGS
RT TRADE ASSOCIATIONS
UF SOCIETIES (TECHNICAL)
TECHNICIANS
USE PERSONNEL
1-120
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THESAURUS
TEXTILE MILLS
TECHNOLOGICAL APPLICATIONS
S TERM ADDED SEPTEMBER 1974
BT AEROSOL APPLICATIONS
BT AEROSOL PHENOMENA
NT MANUFACTURING APPLICATIONS
NT SURFACE FINISHING AND COATING AEROSOLS
TEEPEE BURNERS
S TERM ADDED SEPTEMBER 1974
BT ELECTRIC, GAS, AND SANITARY SERVICES
BT INCINERATORS (REFUSE)
BT INDUSTRIAL EMISSION SOURCES
BT REFUSE SYSTEMS
BT SANITARY SERVICES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF CONICAL INCINERATORS
TEETH
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT DIGESTIVE SYSTEM
TEFLON
S TERM ADDED APRIL 1967
BT MATERIALS
BT PLASTICS
TELLER PROCESS
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
TELLURIUM COMPOUNDS
S TERM ADDED SEPTEMBER 1974
RT METAL COMPOUNDS
TEMPERATURE (ATMOSPHERIC)
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
UF ATMOSPHERIC TEMPERATURE
TEMPERATURE
S EXCL UDES A TMOSPHERIC TEMPERA TURE
BT CHEMICAL AND PHYSICAL PROPERTIES
RT COOLING
RT HEAT TRANSFER
TEMPERATURE GRADIENT
BT ATMOSPHERIC PHENOMENA
BT STABILITY (ATMOSPHERIC)
UF LAPSE RATE (ATMOSPHERIC)
TEMPERATURE INVERSION
USE INVERSION
TEMPERATURE SENSING INSTRUMENTS
NT THERMISTORS
NT THERMOCOUPLES
NT THERMOMETERS
UF PYROMETERS
TENNESSEE
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NT NASHVILLE
TENSILE STRENGTH
BT CHEMICAL AND PHYSICAL PROPERTIES
RT FLEXOMETERS
TERMINALS (COMPUTER)
USE COMPUTER TERMINALS
TERMINOLOGY
RT GLOSSARIES
RT INFORMATION RETRIEVAL
UF NOMENCLATURE
UF VOCABULARIES
TEST ENGINES
BT TESTING FACILITIES
RT ENGINES
UF ENGINE TESTING
TESTING FACILITIES
NT EXPOSURE CHAMBERS
NT IONIZATION CHAMBERS
NT IRRADIATION CHAMBERS
NT LABORATORY FACILITIES
NT TEST ENGINES
NT WIND TUNNELS
RT DYNAMOMETERS
RT EXPERIMENTAL EQUIPMENT
RT EXPOSURE METHODS
RT FIELD TESTS
RT PILOT PLANTS
TEST METHODS
USE EXPERIMENTAL METHODS
TETRACHLOROMETHANE
USE CARBON TETRACHLORIDE
TETRAETHYL LEAD
BT LEAD COMPOUNDS
BT METAL COMPOUNDS
RT FUEL ADDITIVES
RT ORGANOMETALLICS
UF LEAD TETRAETHYL
TETRAMETHYL LEAD
S TERM ADDED SEPTEMBER 1974
BT LEAD COMPOUNDS
BT METAL COMPOUNDS
RT FUEL ADDITIVES
RT ORGANOMETALLICS
TETRAPHENYLS
BT AROMATIC HYDROCARBONS
BT HYDROCARBONS
BT PHENYL COMPOUNDS
TEXAS
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
NT HOUSTON
TEXTILE MANUFACTURING
USE TEXTILE MILLS
TEXTILE MILLS
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
1-121
-------
TEXTILES
THESAURUS
TEXTILE MILLS—Continued
BT STATIONARY EMISSION SOURCES
UF SIC 22
UF TEXTILE MANUFACTURING
TEXTILES
BT MATERIALS
NT CARPETS
NT COTTONS
NT RUBBERIZED FABRICS
NT SYNTHETIC FIBERS
NT WOOLS
RT FILTER FABRICS
UF FIBERS (TEXTILE)
THAI
S LANGUAGE
UF SIAMESE
THAWING
USE MELTING
THEO
USE ORIGINAL (THEORETICAL)
THEORETICAL AEROSOL MOTION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL MECHANICS
BT AEROSOL PHENOMENA
BT PARTICULATE PROPERTIES
THERAPY
USE TREATMENT AND AIDS
THERMAL CAPACITY
USE HEAT CAPACITY
THERMAL CONDUCTIVITY
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIES
UF CONDUCTIVITY (THERMAL)
UF HEAT CONDUCTIVITY
THERMAL POWER GENERATION (STEAM)
USE STEAM ELECTRIC POWER GENERATION
THERMAL PRECIPITATION
S TERM ADDED SEPTEMBER 1974
BT PARTICLE INVESTIGATION METHODS
BT PARTICLE SEPARATION
UF PRECIPITATION (THERMAL)
THERMAL RADIATION
BT CHEMICAL AND PHYSICAL PHENOMENA
UF HEAT RADIATION
THERMISTORS
BT TEMPERATURE SENSING INSTRUMENTS
THERMOCOUPLES
BT TEMPERATURE SENSING INSTRUMENTS
THERMODYNAMIC PROPERTIES
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIES
NT ENTHALPY
NT ENTROPY
NT FREE ENERGY
THERMODYNAMICS
BT CHEMICAL AND PHYSICAL PHENOMENA
UF COMBINED CYCLES
THERMOMETERS
BT TEMPERATURE SENSING INSTRUMENTS
THESIS
S ATTRIBUTE FOR APTIC NUMBERS 0 100032
THIN-LAYER CHROMATOGRAPHY
BT ANALYTICAL METHODS
BT CHROMATOGRAPHY
THINNERS
USE SOLVENTS
THIOLS
USE SULFUR ORGANIC COMPOUNDS
THIOPHENE
BT SULFUR ORGANIC COMPOUNDS
THOMAS AUTOMETER
USE CONDUCTIMETRIC METHODS
THORACIC VOLUME
USE RESPIRATORY FUNCTIONS
THRESHOLDS
BT BIOLOGICAL PROCESSES AND FUNCTIONS
RT ADAPTATION
RT HYPERSENSITIVITY
UF NO-EFFECT LEVEL
UF SENSITIVITY
THROAT
USE PHARYNX
THROAT IRRITATION
S TERM ADDED SEPTEMBER 1974
BT DISEASES AND DISORDERS
THROUGHPUT
S TERM ADDED SEPTEMBER 1974
RT FLOW RATES
THUNDERSTORMS
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
BT PRECIPITATION
TIDAL POWER
S TERM ADDED SEPTEMBER 1974
BT POWER SOURCES
BT SOURCES
TIMED FUEL INJECTION
BT AUTOMOTIVE EMISSION CONTROL
BT CONTROL METHODS
BT ENGINE OPERATION MODIFICATION
TIMING (SPARK)
USE SPARK TIMING
TIN
BT
BT
MATERIALS
METALS
1-122
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THESAURUS
TRACKED VEHICLES
TIN COMPOUNDS
BT METAL COMPOUNDS
UF STANNIC COMPOUNDS
UF STANNOUS COMPOUNDS
TIP BURN
BT PLANT DAMAGE
TIRE ATTRITION
S TERM ADDED SEPTEMBER 1974
BT MOBILE EMISSION SOURCES
BT MOTOR VEHICLE SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
TIRES
BT MATERIALS
RT RUBBER
TISSUE CULTURES
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
RT CULTURE MEDIA
UF ORGAN CULTURES
TISSUES
BT BIOLOGICAL CONSTITUENTS AND PARTS
TITANIUM
BT MATERIALS
BT METALS
TITANIUM COMPOUNDS
BT METAL COMPOUNDS
TITRIMETRIC METHODS
S TERM ADDED SEPTEMBER 1974
RT ANALYTICAL METHODS
UF VOLUMETRIC ANALYSIS (TITRATION)
TNT PRODUCTION
S TERM ADDED SEPTEMBER 1974
BT CHEMICALS AND ALLIED MANUFACTURING
BT EXPLOSIVES PRODUCTION
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF TRINITROTOLUENE PRODUCTION
TOBACCO
BT CROPS
BT PLANTS (BOTANY)
TOBACCO MANUFACTURES
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 21
TOBACCO SMOKE
BT PARTICULATES
BT POLLUTANTS
BT SMOKES
BT SUSPENDED PARTICULATES
TOKYO
BT ASIA
BT JAPAN
TOLERANCES (TOXIC)
USE TOXIC TOLERANCES
TOLUENES
BT AROMATIC HYDROCARBONS
BT HYDROCARBONS
RT NITROTOLUENES
TOMATOES
BT PLANTS (BOTANY)
BT VEGETABLES
RT FRUITS
TOPOGRAPHIC INTERACTIONS
BT ATMOSPHERIC PHENOMENA
TOPOGRAPHIC LOCATIONS
NT BODIES OF WATER
NT FORESTS
NT MOUNTAINS
NT PLAINS
NT POLAR REGIONS
NT SOILS
NT VALLEYS
RT MAPPING
UF LOCATIONS (TOPOGRAPHIC)
TOTAL HYDROCARBONS
S TERM ADDED SEPTEMBER 1974
RT HYDROCARBONS
TOTAL SUSPENDED PARTICULATES
USE SUSPENDED PARTICULATES
TOXICITY
S TERM ADDED APRIL 1967
BT BIOLOGICAL PROCESSES AND FUNCTIONS
UF POISONING
UF TOXICOLOGY
TOXICOLOGY
USE TOXICITY
TOXIC TOLERANCES
BT BIOLOGICAL PROCESSES AND FUNCTIONS
RT MAXIMUM ALLOWABLE CONCENTRATION
UF SUSCEPTABILITY
UF TOLERANCES (TOXIC)
TRACE ANALYSIS
BT ANALYTICAL METHODS
TRACERS
S TERM ADDED APRIL 1967
NT RADIOACTIVE TRACERS
RT FLOW VISUALIZATION
TRACHEA
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT RESPIRATORY SYSTEM
TRACHEAL CANCER
BT CANCER
BT DISEASES AND DISORDERS
TRACKED VEHICLES
USE OFF-ROAD VEHICLES
1-123
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TRACTORS
THESAURUS
TRACTORS
USE OFF-ROAD VEHICLES
TRADE ASSOCIATIONS
RT TECHNICAL SOCIETIES
UF ASSOCIATIONS (TRADE)
UF SIC 861
TRAFFIC (VEHICULAR)
USE VEHICULAR TRAFFIC
TRAINING
USE EDUCATION
TRAINS
USE RAILROAD VEHICLES
TRANS-2-BUTENE
BT ALIPHATIC HYDROCARBONS
BT BUTENES
BT HYDROCARBONS
BT OLEFINS
TRANSFERRING (MATERIALS)
USE MATERIALS HANDLING
TRANSLATED
S CODE FOR APTIC NUMBERS BELOW 100000
TRANSMISSOMETERS
BT MEASUREMENT METHODS
BT SMOKEMETERS
TRANSPIRATION
S TERM ADDED SEPTEMBER 1977
RT PLANTS (BOTANY)
TRANSPORT
BT ATMOSPHERIC PHENOMENA
BT DISPERSION
UF ATMOSPHERIC TRANSPORT
TRANSPORTATION
S SUPERSEDED TERM
USE TRANSPORTATION METHODS
TRANSPORTATION CONTROL PLANS
S TERM ADDED SEPTEMBER 1974
BT ADMINISTRATION
BT CONTROL PROGRAMS
BT PLANS AND PROGRAMS
RT PARKING FACILITIES
TRANSPORTATION EQUIPMENT MANUFACTURING
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT SOURCES
BT STATIONARY EMISSION SOURCES
NT MOTOR VEHICLE ASSEMBLY PLANTS
UF SHIP BUILDING AND REPAIRING
UF SHIPYARDS
UF SIC 37
TRANSPORTATION METHODS
BT MOBILE EMISSION SOURCES
BT SOURCES
NT AIRCRAFT
NT MASS TRANSPORTATION
NT MOTOR VEHICLE SOURCES
NT RAILROAD VEHICLES
NT VESSELS (MARINE)
UF HAULING (TRANSPORTATION)
UF PASSENGER VEHICLES
UF TRANSPORTATION
TRANSPORTATION PLANNING
S TERM ADDED SEPTEMBER 1974
BT LEGAL ASPECTS
BT PLANNING AND ZONING
TRAPPING
BT ATMOSPHERIC PHENOMENA
BT DISPERSION
BT PLUME BEHAVIOR
TRAPPING (SAMPLING)
BT GAS SAMPLING
BT SAMPLING METHODS
TRASH DISPOSAL
USE REFUSE SYSTEMS
TRAVELING GRATES
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT FIRING METHODS
BT FUEL CHARGING
BT PROCESS MODIFICATION
TRAY TOWERS
S TERM ADDED SEPTEMBER 1974
BT CONTROL EQUIPMENT-GAS STREAMS
BT SCRUBBERS
NT BUBBLE CAP TOWERS
NT IMPINGEMENT PLATE TOWERS
NT SIEVE PLATE TOWERS
TREATED FABRICS
BT CONTROL EQUIPMENT-GAS STREAMS
BT FILTER FABRICS
BT FILTERS
UF IMPREGNATED FABRICS
TREATMENT AND AIDS
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
NT ARTIFICIAL RESPIRATION
NT BREATHING EXERCISES
NT DIAGNOSIS
NT DRUGS
NT INHALATION THERAPY
NT MEDICAL FACILITIES
NT PHYSICAL THERAPY
NT SURGERY
UF AIDS (BIOMEDICAL)
UF THERAPY
TREES
BT PLANTS (BOTANY)
NT CONIFERS
NT DECIDUOUS TREES
RT FORESTS
TRENDS
S TERM ADDED MA Y 1972
RT HISTORICAL ASPECTS
1-124
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THESAURUS
ULTRASONICS
TRICHLOROMETHANE
USE CHLOROFORM
TRIMETHYLBENZENE
BT AROMATIC HYDROCARBONS
BT BENZENES
BT HYDROCARBONS
TRINITROTOLUENE PRODUCTION
USE TNT PRODUCTION
TRIPHENYLENES
.BT HYDROCARBONS
BT POLYNUCLEAR COMPOUNDS
TRIPHENYLS
BT AROMATIC HYDROCARBONS
BT HYDROCARBONS
BT PHENYL COMPOUNDS
TRUCKS
BT HEAVY-DUTY VEHICLES
BT MOBILE EMISSION SOURCES
BT MOTOR VEHICLE SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
UF SIC 42
TUBERCULOSIS
BT DISEASES AND DISORDERS
BT RESPIRATORY DISEASES
TULIP
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
TUMORS
BT DISEASES AND DISORDERS
RT CANCER
TUNED LASER SPECTROMETRY
S TERM ADDED SEPTEMBER 1974
BT ANALYTICAL METHODS
BT SPECTROMETRY
RT LASERS
UF LASER SPECTROSCOPY (TUNED)
TUNNELS
BT STRUCTURES
BT SUBSURFACE STRUCTURES
RT MINING
TURBIDIMETRY
BT PARTICLE INVESTIGATION METHODS
NT NEPHELOMETER
NT TYNDALLOMETER
TURBINE
USE GAS TURBINE ENGINES
TURBOFAN ENGINES
S TERM ADDED SEPTEMBER 1974
BT ENGINES
BT GAS TURBINE ENGINES
BT POWER SOURCES
BT SOURCES
TURBOJET ENGINES
S TERM ADDED SEPTEMBER 1974
BT ENGINES
BT GAS TURBINE ENGINES
BT POWER SOURCES
BT SOURCES
TURBULENCE (ATMOSPHERIC)
BT ATMOSPHERIC PHENOMENA
RT DIFFUSION (ATMOSPHERIC)
UF ATMOSPHERIC TURBULENCE
UF EDDY
TURBULENCE (GENERAL)
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
TURBULENT AEROSOL MOTION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL MECHANICS
BT AEROSOL PHENOMENA
BT PARTICULATE PROPERTIES
TURKEY
S TERM ADDED SEPTEMBER 1974
BT EUROPE
BT WESTERN EUROPE
TURKISH
S LANGUAGE >
TURKMEN
S LANGUAGE
TURNIPS
S TERM ADDED SEPTEMBER
BT PLANTS (BOTANY)
BT VEGETABLES •
1974
TWO-STROKE CYCLE ENGINES
S TERM ADDED SEPTEMBER 1974
BT ENGINES
BT INTERNAL COMBUSTION ENGINES
BT POWER SOURCES
BT SOURCES
TYCO PROCESS
USE WASTE GAS CONTROL
TYNDALLOMETER
BT PARTICLE INVESTIGATION METHODS
BT TURBIDIMETRY
UKRAINIAN
S LANGUAGE
UF UKRANIAN
UKRANIAN
S SUPERSEDED LANGUAGE TERM
USE UKRAINIAN
ULTRASONICS
BT CHEMICAL AND PHYSICAL PHENOMENA
RT SONIC AGGLOMERATORS
RT SOUND
1-125
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ULTRAVIOLET
THESAURUS
ULTRAVIOLET
S SUPERSEDED TERM
USE ULTRAVIOLET SPECTROMETRY
ULTRAVIOLET RADIATION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT LIGHT RADIATION
ULTRAVIOLET SPECTROMETRY
BT ANALYTICAL METHODS
BT SPECTROMETRY
UF ULTRAVIOLET
UNDERFEED METHODS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT FIRING METHODS
BT FUEL CHARGING
BT PROCESS MODIFICATION
UNDERFIRE AIR
BT COMBUSTION AIR
BT CONTROL METHODS
BT FIRING METHODS
BT PROCESS MODIFICATION
BT UNIDIRECTIONAL AEROSOL MOTION
UNDERGROUND STRUCTURES
USE SUBSURFACE STRUCTURES
UNIDIRECTIONAL AEROSOL MOTION
S TERM ADDED SEPTEMBER 1974
BT AEROSOL MECHANICS
BT AEROSOL PHENOMENA
BT PARTICULATE PROPERTIES
UNITED KINGDOM
S TERM ADDED SEPTEMBER 1974
BT EUROPE
BT WESTERN EUROPE
NT GREAT BRITAIN
UNITED STATES
BT AMERICA
BT NORTH AMERICA
NT ALABAMA
NT ALASKA
NT ARIZONA
NT ARKANSAS
NT CALIFORNIA
NT COLORADO
NT CONNECTICUT
NT DELAWARE
NT FLORIDA
NT GEORGIA
NT HAWAII
NT IDAHO
NT ILLINOIS
NT INDIANA
NT IOWA
NT KANSAS
NT KENTUCKY
NT LOUISIANA
NT MAINE
NT MARYLAND
NT MASSACHUSETTS
NT MICHIGAN
NT MINNESOTA
NT MISSISSIPPI
NT MISSOURI
NT MONTANA
NT NEBRASKA
NT NEVADA
NT NEW HAMPSHIRE
NT NEW JERSEY
NT NEW MEXICO
NT NEW YORK STATE
NT NORTH CAROLINA
NT NORTH DAKOTA
NT OHIO
NT OKLAHOMA
NT OREGON
NT PENNSYLVANIA
NT RHODE ISLAND
NT SOUTH CAROLINA
NT SOUTH DAKOTA
NT TENNESSEE
NT TEXAS
NT UTAH
NT VERMONT
NT VIRGINIA
NT WASHINGTON (STATE)
NT WASHINGTON D C
NT WEST VIRGINIA
NT WISCONSIN
NT WYOMING
UF USA
UNIVERSITIES
RT COLLEGE STUDENTS
RT EDUCATION
UF COLLEGES
UF SIC 8221
UNLEADED GASOLINES
S TERM ADDED SEPTEMBER 1974
BT FUELS
BT GASOLINES
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT LEADED GASOLINES
UF • LEAD-FREE GASOLINES
UNLOADING (MATERIALS)
USE MATERIALS HANDLING
UPKEEP
USE MAINTENANCE
UPPER ATMOSPHERE
BT ALTITUDE
BT ATMOSPHERIC PHENOMENA
URANIUM COMPOUNDS
BT METAL COMPOUNDS
URBAN AREAS
BT METROPOLITAN AREAS
RT CITY GOVERNMENTS
RT SUBURBAN AREAS
UF CITIES
UF MUNICIPALITIES
URBAN HEAT ISLANDS
USE HEAT ISLANDS
1-126
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THESAURUS
VENTILATION
URBAN PLANNING
USE PLANNING AND ZONING
URDU
S LANGUAGE
UREA MANUFACTURING
USE NITROGENOUS FERTILIZER PLANTS
UREDINALES
USE RUSTS (UREDINALES)
URINE
S TERM ADDED APRIL 1967
BT BIOLOGICAL CONSTITUENTS AND PARTS
BT EXCRETIONS
USA
USE UNITED STATES
USSR
BT EASTERN EUROPE
BT EUROPE
UF RUSSIA
UTAH
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
UZBEK
S LANGUAGE
VALLEYS
BT TOPOGRAPHIC LOCATIONS
RT MEUSE VALLEY
VANADIUM
BT MATERIALS
BT METALS
VANADIUM COMPOUNDS
BT METAL COMPOUNDS
VAPOR PRESSURE
BT CHEMICAL AND PHYSICAL PROPERTIES
VAPOR RECOVERY SYSTEMS
BT CONTROL EQUIPMENT-GAS STREAMS
RT ADSORPTION (CONTROL)
VAPORS
S TERM ADDED APRIL 1967
BT CHEMICAL AND PHYSICAL PHENOMENA
BT PHYSICAL STATES
NT STEAM
NT WATER VAPOR
VARIABLE THROAT VENTURI SCRUBBERS
S TERM ADDED SEPTEMBER 1974
BT CONTROL EQUIPMENT-GAS STREAMS
BT SCRUBBERS
BT VENTURI SCRUBBERS
VARIANCES
S TERM ADDED SEPTEMBER 1974
RT PERMITS
VARNISHES AND SHELLAC
BT MATERIALS
BT SURFACE COATINGS
UF SHELLAC
VARNISH MANUFACTURING
USE PAINTS AND ALLIED PRODUCTION
VEGETABLES
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
NT ARTICHOKES
NT BEANS
NT BEETS (GARDEN)
NT BROCCOLI
NT CABBAGE
NT CARROTS
NT CAULIFLOWERS
NT CELERY
NT CHARD
NT CUCUMBERS
NT ENDIVES
NT LENTILS
NT LETTUCE
NT ONIONS
NT PEAS /
NT PEPPERS
NT PINTO BEANS
NT POTATOES (IRISH)
NT POTATOES (SWEET)
NT RADISHES
NT SPINACH
NT SQUASH
NT TOMATOES
NT TURNIPS
VEGETATION
USE PLANTS (BOTANY)
VEHICLES
USE MOTOR VEHICLE SOURCES
VEHICLE SPEED
USE VELOCITY
VEHICULAR TRAFFIC
S TERM ADDED SEPTEMBER 1974
BT MOBILE EMISSION SOURCES
BT MOTOR VEHICLE SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
RT ENGINE EMISSIONS
UF TRAFFIC (VEHICULAR)
VELOCITY
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
UF SPEED
UF VEHICLE SPEED
VENTILATION (PULMONARY)
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT RESPIRATORY FUNCTIONS
RT HYPERVENTILATION
VENTILATION
S CONTROL METHOD, EXCLUDES PULMONARY
BT CONTROL METHODS
1-127
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VENTURI
THESAURUS
VENTILATION—Continued
RT EXHAUST SYSTEMS
VENTURI
S SUPERSEDED TERM
USE VENTURI SCRUBBERS
VENTURI SCRUBBERS
BT CONTROL EQUIPMENT-GAS STREAMS
BT SCRUBBERS
NT FIXED THROAT VENTURI SCRUBBERS
NT VARIABLE THROAT VENTURI SCRUBBERS
UF VENTURI
VERMONT
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
VESSELS (BLOOD)
USE BLOOD VESSELS
VESSELS (MARINE)
BT MOBILE EMISSION SOURCES
BT SOURCES
BT TRANSPORTATION METHODS
RT HARBORS
UF MARINE VESSELS
UF MARITIME SOURCES
UF SHIPS
UF SIC 44
VETERINARY MEDICINE
BT BIOMEDICAL TECHNIQUES AND MEASUREMENT
VIBRATION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
VIETNAMESE
S LANGUAGE
VINYL BENZENE
USE STYRENES
VIOLET
S TERM ADDED SEPTEMBER 1974
BT FLOWERS
BT PLANTS (BOTANY)
VIRGINIA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
VIRUSES
BT MICROORGANISMS
RT ADENOVIRUS INFECTIONS
VISCOSE FIBER MANUFACTURING
USE PLASTICS MATERIALS AND SYNTHETIC PLANTS
VISCOSITY
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIES
UF FLOW RESISTANCE
UF FLUIDITY
VISCOUS FILTERS
S TERM ADDED SEPTEMBER 1974
BT CONTROL EQUIPMENT-GAS STREAMS
BT FILTERS
VISIBILITY
RT AIR QUALITY MEASUREMENTS
RT LIGHT SCATTERING
VISIBLE RADIATION
BT CHEMICAL AND PHYSICAL PHENOMENA
BT LIGHT RADIATION
VISUAL PROPERTIES
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIES
NT COLOR
VITAL CAPACITY
S TERM ADDED SEPTEMBER 1974
BT BIOLOGICAL PROCESSES AND FUNCTIONS
BT PULMONARY FUNCTION
BT RESPIRATORY FUNCTIONS
VITAMIN C
USE ASCORBIC ACID
VITAMINS
S TERM ADDED SEPTEMBER 1974
BT BIOCHEMISTRY
BT BIOLOGICAL FACTORS
BT NUTRIENTS
NT ASCORBIC ACID
VOCABULARIES
USE TERMINOLOGY
VOLATILES
USE COMBUSTIBLES AND VOLATILES
VOLATILITY
BT CHEMICAL AND PHYSICAL PROPERTIES
VOLCANOES
BT NATURAL EMISSION SOURCES
BT NON-INDUSTRIAL EMISSION SOURCES
(STATIONARY)
BT SOURCES
BT STATIONARY EMISSION SOURCES
VOLTAGE
BT CHEMICAL AND PHYSICAL PROPERTIES
BT ELECTRICAL PROPERTIES
UF ELECTRIC POTENTIAL
VOLTMETERS
BT ELECTRICAL MEASUREMENT DEVICES
VOLUMETRIC ANALYSIS (TITRATION)
USE TITRIMETRIC METHODS
VULCANIZING
USE RUBBER PRODUCTION
WAGES
USE SALARIES
WASHING
USE LAUNDERING
1-128
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THESAURUS
WEEDS
WASHINGTON (STATE)
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
WASHINGTON 0 C
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
UF DISTRICT OF COLUMBIA
WASHOUT
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
BT PRECIPITATION
UF ACID RAIN
UF PRECIPITATION WASHOUT
UF RAINOUT
UF SCAVENGING (ATMOSPHERIC)
WASTE DISPOSAL
USE REFUSE SYSTEMS
WASTE GAS CONTROL
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
NT AQUEOUS SOLUTION SCRUBBING
NT HYDROCARBON CONTROL
NT INORGANIC LIQUID SORPTION
NT INORGANIC SOLID SORPTION
NT NOX CONTROL
NT ORGANIC LIQUID SORPTION
NT ORGANIC SOLID SORPTION
NT PHYSICAL METHODS
NT REDUCTION TO ELEMENTS
NT SOX CONTROL
UF AMOCO SULFUR RECOVERY PROCESS
UF BEAVON PROCESS
UF CATALYTIC CHAMBER PROCESS
UF CLAUS PROCESS
UF INJECTION (WASTE GAS CONTROL)
UF STRETFORD PROCESS
UF SULFOX PROCESS
UF TYCO PROCESS
UF WASTE GAS RECOVERY (CONTROL)
WASTE GASES
BT POLLUTANTS
NT STACK GASES
UF EXHAUST GASES
UF GASEOUS WASTES
WASTE GAS FLARES
USE FLARES
WASTE GAS INCINERATORS
USE INCINERATORS (WASTE GASES)
WASTE GAS RECOVERY (BY-PRODUCT)
USE BY-PRODUCT RECOVERY
WASTE GAS RECOVERY (CONTROL)
USE WASTE GAS CONTROL
WASTE GAS SOURCES (INDUSTRIAL)
USE INDUSTRIAL EMISSION SOURCES
WASTES (ORGANIC)
USE ORGANIC WASTES
WATER
BT CHEMICAL AND PHYSICAL PHENOMENA
BT LIQUIDS
BT PHYSICAL STATES
WATER BODIES
S TERM ADDED SEPTEMBER 1974
BT NON-INDUSTRIAL EMISSION SOURCES (NEC)
BT SOURCES
NT WATER POLLUTION
RT HYDROSPHERE
WATER INSOLUBLE FRACTION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL COMPOSITION
WATERMELONS
S TERM ADDED SEPTEMBER 1974
BT FRUITS
BT PLANTS (BOTANY)
WATER POLLUTION
BT NON-INDUSTRIAL EMISSION SOURCES (NEC)
BT SOURCES
BT WATER BODIES
WATER SOLUBLE FRACTION
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL COMPOSITION
WATER VAPOR
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
BT PHYSICAL STATES
BT VAPORS
WATERWAYS
USE BODIES OF WATER
WAVELENGTHS
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PHENOMENA
WEATHER FORECASTING
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
UF FORECASTING (WEATHER)
UF PREDICTION (WEATHER)
WEATHER MAPS
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
RT MAPPING
UF METEOROLOGICAL CHARTS
WEATHER MODIFICATION
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
NT CLOUD SEEDING
RT CLIMATE
WEED KILLERS
USE HERBICIDES
WEEDS
S TERM ADDED SEPTEMBER 1974
BT PLANTS (BOTANY)
NT GOLDENROD
1-129
-------
WEEKLY
THESAURUS
WEEKLY
S TERM ADDED SEPTEMBER 1974
RT DIURNAL
RT MONTHLY
WEIGHT
S TERM ADDED SEPTEMBER 1974
BT CHEMICAL AND PHYSICAL PROPERTIES
RT GRAVIMETRIC METHODS
WELLMAN LORD PROCESS
S TERM ADDED SEPTEMBER 1974
BT CONTROL METHODS
BT SOX CONTROL
BT WASTE GAS CONTROL
WEST AND GAEKE METHOD (SO2)
S FOR SULFUR DIOXIDE
BT ANALYTICAL METHODS
BT COLORIMETRY
WESTERN EUROPE
S TERM ADDED SEPTEMBER 1974
BT EUROPE
NT AUSTRIA
NT BELGIUM
NT FRANCE
NT GERMANY, FEDERAL REPUBLIC
NT GREECE
NT GREENLAND
NT ICELAND
NT IRELAND
NT ITALY
NT NETHERLANDS
NT PORTUGAL
NT SCANDINAVIA
NT SPAIN
NT SWITZERLAND
NT TURKEY
NT UNITED KINGDOM
WESTVACO PROCESS
USE SOX CONTROL
WEST VIRGINIA
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
WET CYCLONES
BT CONTROL EQUIPMENT-GAS STREAMS
BT SCRUBBERS
RT CYCLONES (CONTROL)
WETTING
BT CHEMICAL AND PHYSICAL PHENOMENA
RT HYGROSCOPICITY
UF MOISTENING
WHEAT
BT CROPS
BT PLANTS (BOTANY)
WHISKEY FERMENTATION
USE BEVERAGE INDUSTRY
WHITE PINE TREES
S TERM ADDED SEPTEMBER 1974
BT CONIFERS
BT PINE TREES
BT PLANTS (BOTANY)
BT TREES
WILDFIRES
USE FOREST FIRES
WILDLIFE
BT ANIMALS
BT ANIMALS (NON-HUMAN)
WIND POWER
S TERM ADDED SEPTEMBER 1974
BT POWER SOURCES
BT SOURCES
WIND ROSE
BT ATMOSPHERIC MOVEMENTS
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
BT WINDS
WINDS
BT ATMOSPHERIC MOVEMENTS
BT ATMOSPHERIC PHENOMENA
BT METEOROLOGY
NT SEA BREEZE
NT WIND ROSE
UF BREEZE
UF GUSTS
WIND TUNNELS
S TERM ADDED JUL Y 1969
BT TESTING FACILITIES
WINE FERMENTATION
USE BEVERAGE INDUSTRY
WISCONSIN
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
WOOD
S SUPERSEDED TERM
USE WOOD (MATERIAL)
WOOD (MATERIAL)
BT MATERIALS
UF WOOD
WOOD FUELS
S TERM ADDED SEPTEMBER 1974
BT FUELS
BT SOURCES
BT STATIONARY EMISSION SOURCES
WOODLANDS
USE FORESTS
WOOD PRODUCTS INDUSTRY
USE LUMBER AND WOOD PRODUCTS INDUSTRY
WOOLS
BT MATERIALS
BT TEXTILES
1-130
-------
THESAURUS
ZONING
WORKERS
USE PERSONNEL
WORKSHOPS (MEETINGS)
USE MEETINGS
WRECKING AND DEMOLITION
S TERM ADDED SEPTEMBER 1974
BT CONSTRUCTION INDUSTRY
BT CONSTRUCTION-SPECIAL TRADES
BT INDUSTRIAL EMISSION SOURCES
BT SOURCES
BT STATIONARY EMISSION SOURCES
RT SCRAP YARDS
UF DEMOLITION
UF SIC 1795
WYOMING
BT AMERICA
BT NORTH AMERICA
BT UNITED STATES
XEROGRAPHY
S TERM ADDED SEPTEMBER 1974
BT RECORDING METHODS
X RADIATION
USE X-RAYS
X-RAY DIFFRACTION
S TERM ADDED SEPTEMBER 1974
BT ANALYTICAL METHODS
RT DIFFRACTION
X-RAY FLUORESCENCE SPECTROMETRY
S TERM ADDED SEPTEMBER 1974
BT ANALYTICAL METHODS
BT SPECTROMETRY
X-RAY PHOTOGRAPHY
USE RADIOGRAPHY
X-RAYS
BT CHEMICAL AND PHYSICAL PHENOMENA
BT RADIOACTIVE RADIATION
RT RADIOGRAPHY
UF ROENTGEN RAYS
UF X RADIATION
XYLENES
BT AROMATIC HYDROCARBONS
BT HYDROCARBONS
YEASTS
USE FUNGI
YOKKAICHI
BT ASIA
BT JAPAN
YOKOHAMA
BT ASIA
BT JAPAN
BT KANAGAWA PREFECTURE
YUGOSLAVIA
S TERM ADDED SEPTEMBER 1974
BT EASTERN EUROPE
BT EUROPE
YUGOSLAVIAN
S LANGUAGE
ZEOLITES
S TERM ADDED SEPTEMBER 1974
BT MATERIALS
BT MINERAL PRODUCTS
RT ION EXCHANGING
ZINC
BT MATERIALS
BT METALS
ZINC COMPOUNDS
BT METAL COMPOUNDS
ZINC OXIDES
BT OXIDES
ZINC PRIMARY SMELTING AND REFINING
S TERM ADDED SEPTEMBER 1974
BT INDUSTRIAL EMISSION SOURCES
BT MANUFACTURING INDUSTRIES
BT METAL INDUSTRIES
BT PRIMARY SMELTING AND REFINING OF
NONFERROUS METALS
BT SOURCES
BT STATIONARY EMISSION SOURCES
UF SIC 3333
ZIRCONIUM
BT MATERIALS
BT METALS
ZIRCONIUM COMPOUNDS
BT METAL COMPOUNDS
ZONING
USE PLANNING AND ZONING
1-131
-------
PART II
SYSTEMATIC MICROTHESAURUS
-------
PART II - INTRODUCTION
The following listings, which match the sequence
of data elements as they are entered into the APTIC
file, are of four types: languages, categories of air
pollution information, characterization of air pollu-
tion documents, and a hierarchical listing of air
pollution descriptors. Within each of the first three
of these listings, the sequence is generally
alphabetical. In the fourth listing, the descriptors
are sorted alphabetically by the most generic
descriptor in each hierarchy under broad headings;
e.g., administrative and social, methods and
facilities. In this final group, the headings and
associated descriptors are arranged to fit
conveniently in the available page space.
-------
CATEORIES
ATMOSPHERIC INTERACTION
ATMOSPHERIC INTERACTION (CHEMICAL AND
PHYSICAL)
ATMOSPHERIC INTERACTION (METEOROLAND
CLIMATOL AND TOPOGR)
BASIC SCIENCE AND TECHNOLOGY
CONTROL METHODS (CATEGORICAL)
CONTROL METHODS (FUEL TREATMENT AND
FUEL CONVERSION)
CONTROL METHODS (GENERAL STATIONARY
SOURCE)
ECONOMIC ASPECTS
EFFECTS (HUMAN HEALTH)
EFFECTS (OTHER THAN HUMAN HEALTH)
EFFECTS (ON MATERIALS)
EFFECTS (ON PLANTS AND LIVESTOCK)
EMISSION SOURCES
EMISSION SOURCES (FUEL COMPOSITION)
EMISSION SOURCES (MOBILE)
EMISSION SOURCES (STATIONARY)
GOVERNMENTAL PARTICIPATION
GOVERNMENTAL PARTICIPATION (AIR POLLU-
TION PROGRAMS)
GOVERNMENTAL PARTICIPATION (LEGAL,
LAWS AND LITIGATION)
MEASUREMENT METHODS (CATEGORICAL)
MEASUREMENT METHODS (AMBIENT AIR AND
EMISSIONS)
MEASUREMENT METHODS (OTHER THAN AM-
BIENT AIR AND EMISSIONS)
POLLUTION DATA
POLLUTION DATA (AIR QUALITY MEASURE-
MENTS)
POLLUTION DATA (EMISSION INVENTORIES
AND COMPENDIA)
SOCIAL ASPECTS AND PUBLIC INVOLVEMENT
STANDARDS AND CRITERIA
GENERAL AND MISCELLANEOUS
DOCUMENT ATTRIBUTES
ORIGINAL (FIELD)
ORIGINAL (LABORATORY)
ORIGINAL (THEORETICAL)
REVIEWS (GENERAL)
REVIEWS (TECHNICAL)
LANGUAGES
AFRIKAANS
ALBANIAN
ARABIC
ARMENIAN
AZERBAIDZHAN
BENGALI
BULGARIAN
BYELORUSSIAN
CHINESE
CZECH
CZECHOSLOVAKIAN
DANISH
ENGLISH
ESPERANTO
ESTONIAN
FAROESE
FINNISH
FLEMISH
FRENCH
GAELIC
GEORGIAN
GERMAN
GREEK
GUJARATI
HEBREW
HINDI
HUNGARIAN
ICELANDIC
INDONESIAN
INTERLINGUA
ITALIAN
JAPANESE
KAZAKH
KIRGIZ
KOREAN
LATIN
LATVIAN
LITHUANIAN
MACEDONIAN
MALAY
MOLDAVIAN
MONGOLIAN
NETHERLANDISH
NORWEGIAN
PANJABI
PERSIAN
POLISH
PORTUGUESE
ROMANIAN
RUSSIAN
SERBO-CROATIAN
SLOVAK
SLOVENIAN
SPANISH
SWEDISH
TADZHIK
TAGALOG
THAI
TURKISM
TURKMEN
UKRAINIAN
URDU
UZBEK
VIETNAMESE
YUGOSLAVIAN
11-2
-------
ADMINISTRATIVE & SOCIAL
ABATEMENT
ADMINISTRATION
BUDGETING
CONTRACTING
GRANTS
IMPACT STATEMENTS
PLANS AND PROGRAMS
AIR QUALITY MEASUREMENT PROGRAMS
AIR SURVEYS
AIR QUALITY SURVEYS
CONTINUOUS AIR MONITORING PRO-
GRAM (CAMP)
NATIONAL AIR SAMPLING NETWORK
(NASN)
SURVEY METHODS
CONTROL PROGRAMS
COMPLIANCE SCHEDULES
IMPLEMENTATION PLANS
RETROFIT PROGRAMS
TRANSPORTATION CONTROL PLANS
HEALTH SURVEYS
PROPOSALS
RESEARCH PROGRAMS
ADVISORY SERVICES
AIR POLLUTION EPISODES
ALERTS
AIR POLLUTION INDICES
AIR QUALITY MAINTENANCE AREAS
AIR RESOURCE MANAGEMENT
CODES OF PRACTICE
COMMERCIAL FIRMS
CONTROL AGENCIES
CRITERIA
AIR QUALITY CRITERIA
EQUIPMENT CRITERIA
FUEL CRITERIA
OPERATING CRITERIA
ECONOMICS
CAPITAL
COST ANALYSIS
COSTS
OPERATING COSTS
ECONOMIC LOSSES
FINANCING
EDUCATION
EMERGENCIES
ENFORCEMENT PROCEDURES
ETHNIC FACTORS
FEASIBILITY STUDIES
FEES
GOVERNMENTS
CITY GOVERNMENTS
COUNTY GOVERNMENTS
LOCAL GOVERNMENTS
NATIONAL GOVERNMENTS
REGIONAL GOVERNMENTS
STATE GOVERNMENTS
HISTORICAL ASPECTS
INCENTIVES
INTERNATIONAL AGENCIES
JOB ANALYSIS
LAND AREA
LEAD TIME
LEGAL ASPECTS
CODES
DECISIONS
HEARINGS
HOUSE HEARINGS
SENATE HEARINGS
LEGISLATION
CLEAN AIR ACT
LITIGATION
PLANNING AND ZONING
AREA EMISSION ALLOCATIONS
LAND USE PLANNING
TRANSPORTATION PLANNING
REGULATIONS
MARKETING
MEETINGS
OPERATING SCHEDULES
PERMITS
PERSONNEL
CHEMISTS
CONSULTANTS
ENGINEERS
INSPECTORS
MANAGEMENT PERSONNEL
MEDICAL PERSONNEL
SANITARIANS
STUDENTS
COLLEGE STUDENTS
PRIMARY SCHOOL STUDENTS
SECONDARY SCHOOL STUDENTS
PERSONNEL QUALIFICATIONS
POPULATION
POPULATION DENSITY
PUBLIC AFFAIRS
CITIZENS GROUPS
COMPLAINTS
OPINION SURVEYS
PUBLIC INFORMATION
QUESTIONNAIRES
RESEARCH INSTITUTES
SAFETY
SALARIES
SOCIAL ATTITUDES
SOCIO-ECONOMIC FACTORS
STANDARDS
AIR QUALITY STANDARDS
MAXIMUM ALLOWABLE CONCENTRATION
DESIGN STANDARDS
EQUIPMENT STANDARDS
FUEL STANDARDS
PERFORMANCE STANDARDS
EMISSION STANDARDS
HAZARDOUS AIR POLLUTANT
STANDARDS
TALL STACK ISSUE
TAXATION
TECHNICAL SOCIETIES
TERMINOLOGY
TRADE ASSOCIATIONS
UNIVERSITIES
VARIANCES
11-3
-------
AEROSOL & PARTICULATE PHENOMENA
AEROSOL APPLICATION
AEROSOL SPRAYS (ORDINARY)
AGRICULTURAL APPLICATIONS
CBR WARFARE APPLICATIONS
POWER AND HEATING APPLICATIONS
TECHNOLOGICAL APPLICATIONS
MANUFACTURING APPLICATIONS
SURFACE FINISHING AND COATING
AEROSOLS
AEROSOL APPLICATIONS (NEC)
AEROSOL ATOMIZATION
LIQUID ATOMIZATION
ELECTROSTATIC ATOMIZATION
MECHANICAL ATOMIZATION
POWER ATOMIZATION
MONODISPERSE ATOMIZATION
AEROSOL FORMATION
AEROSOL CONDENSATION
CHEMICAL CONDENSATION
MIXED CONDENSATION
MONODISPERSE CONDENSATION
AEROSAL FORMATION (MIXED)
PARTICULATE PROPERTIES
PARTICLE SIZE, SHAPE, AND STRUCTURE
PARTICLE SHAPE
IRREGULAR PARTICLES
SPHERICAL PARTICLES
PARTICLE SIZE
PARTICLE SIZE DISTRIBUTION
AEROSOL ELECTRICAL PHENOMENA
AEROSOL DIFFUSION AND BROWNIAN MOTION
BROWNIAN MOTION
AEROSOL DIFFUSION
PHORESIS AND RELATED PHENOMENA
AEROSOL MECHANICS
AEROSOL-AEROSOL COLLISIONS
AEROSOL-MACROBODY COLLISIONS
GAS PHASE MECHANICS
NONUNIFORM AEROSOL MOTION
THEORETICAL AEROSOL MOTION
TURBULENT AEROSOL MOTION
UNIDIRECTIONAL AEROSOL MOTION
BIOLOGICAL AND MEDICINAL AEROSOLS
ANIMALS & HUMANS
ANIMALS (NON-HUMAN)
AQUATIC ANIMALS
FISH
BIRDS
DUCKS
GEESE
CATS
CATTLE
DEER
DOGS
DOMESTIC ANIMALS
GOATS
GUINEA PIGS
HAMSTERS
HOGS
HORSES
INVERTEBRATES
BEES
FLIES
INSECTS
PARAMECIA
LABORATORY ANIMALS
MICE
MULES
POULTRY
PRIMATES (NON-HUMAN)
RABBITS
RATS
SHEEP
WILDLIFE
HUMANS
ADOLESCENCE
ADULTHOOD
INFANCY
PREADOLESCENCE
FEMALES
MALES
114
-------
ATMOSPHERIC PHENOMENA
AIR POLLUTION FORECASTING
ALTITUDE
GROUND LEVEL
LOWER ATMOSPHERE
MIDDLE ATMOSPHERE
UPPER ATMOSPHERE
CLIMATE
CONDENSATION TRAILS
DEGREE-DAYS
DISPERSION
AREA SOURCES
DIFFUSION (ATMOSPHERIC)
DIFFUSION MODELS
LINE SOURCES
PLUME BEHAVIOR
.CONING
FANNING
FUMIGATION
LOFTING
LOOPING
TRAPPING
PLUME HEIGHT
POINT SOURCES
TRANSPORT
ELECTRICITY (ATMOSPHERIC)
GREENHOUSE EFFECTS
HEAT ISLANDS
HYDROSPHERE
METEOROLOGY
ATMOSPHERIC MOVEMENTS
ADVECTION
ANTICYCLONES
CONVECTION (ATMOSPHERIC)
COUNTER CURRENTS
CYCLONES (ATMOSPHERIC)
WINDS
SEA BREEZE
WIND ROSE
CONDENSATION (ATMOSPHERIC)
CLOUDS
CONDENSATION NUCLEAR
FOG
HAZE
HUMIDITY
MICROMETEOROLOGY
PRECIPITATION
HAIL
RAIN
SNOW
TUNDERSTORMS
WASHOUT
PRESSURE (ATMOSPHERIC)
TEMPERATURE (ATMOSPHERIC)
WEATHER FORECASTING
WEATHER MAPS
WEATHER MODIFICATION
CLOUD SEEDING
MIXING HEIGHT
POLLUTANT SINKS
SCATTERING (ATMOSPHERIC)
STABILITY (ATMOSPHERIC)
INVERSION
LAPSE CONDITION
NEUTRAL CONDITION
STAGNATION
TEMPERATURE GRADIENT
TOPOGRAPHIC INTERACTIONS
TURBULENCE (ATMOSPHERIC)
BIOSCIENCES & MEDICINE
BIOMEDICAL TECHNIQUES AND MEASUREMENT
ABSENTEEISM
ATTACK RATES
BIOCLIMATOLOGY
BRAIN
CULTURE MEDIA
EPIDEMIOLOGY
GENETICS
HEALTH STATISTICS
HEMATOLOGY
BLOOD CHEMISTRY
BLOOD GAS ANALYSIS
CARBOXYHEMOGLOBIN
HEMOGLOBIN
HISTOLOGY
IMMUNOLOGY
ANTIBODIES
ANTIGENS
LIFE SPAN
MORBIDITY
MORTALITY
OCCUPATIONAL HEALTH
OUTPATIENT VISITS
PATHOLOGICAL TECHNIQUES
PHYSIOLOGY
RADIOLOGICAL HEALTH
TISSUE CULTURES
TREATMENT AND AIDS
ARTIFICIAL RESPIRATION
BREATHING EXERCISES
DIAGNOSIS
AUTOPSY
BIO-ASSAY
BIOPSY
SKIN TESTS
DRUGS
ANTIDOTES
BRONCHODILATORS
INHALATION THERAPY
MEDICAL FACILITIES
PHYSICAL THERAPY
SURGERY
VETERINARY MEDICINE
BIOLOGICAL CONSTITUENTS AND PARTS
BODY FLUIDS
BLOOD SERUM
SPUTUM
BONES
CELLS (BIOLOGY)
BLOOD CELLS
ERYTHROCYTES
LEUKOCYTES
LYMPHOCYTES
CHROMOSOMES
CILIA
MACROPHAGES
MITOCHONDRIA
SPERMATOZOA
CELL WALLS
CIRCULATORY SYSTEM
BLOOD VESSELS
HEART
DIGESTIVE SYSTEM
ESOPHAGUS
INTESTINES
LIVER
MOUTH
STOMACH
TEETH
-------
ENZYMES
EPITHELIUM
EXCRETIONS
FECES
URINE
EYES
GLANDS
HISTAMINES
HORMONES
INTEGUMENTARY SYSTEM
HAIR
NAILS (ANATOMY)
KIDNEYS
LIPIDS
MEMBRANES
MUSCLES
NERVOUS SYSTEM
RESPIRATORY SYSTEM
BRONCHI
LARYNX
LUNGS
ALVEOLI
NOSE
PHARYNX
SINUSES
TRACHEA
SKIN (ANATOMY)
TISSUES
BIOLOGICAL FACTORS
BIOCHEMISTRY
CARBOHYDRATES
GLUCOSES
CELLULOSE
NUCLEIC ACIDS
RIBONUCLEIC ACIDS
DEOXYRIBONUCLEIC ACIDS
NUCLEOTIDES
NUTRIENTS
VITAMINS
AS CORBIC ACID
PROTEINS
AMINO ACIDS
BIOLOGICAL PROCESSES AND FUNCTIONS
ADAPTATION
AGE (BIOLOGY)
BLOOD PRESSURE
CELL GROWTH
CELL METABOLISM
DIGESTION
EXERCISE
GROWTH
INGESTION
INHIBITION
METABOLISM
OLFACTION
PSYCHOLOGICAL FACTORS
PULSE RATE
REPRODUCTION (BIOLOGICAL)
PREGNANCY
RESPIRATORY FUNCTIONS
BREATHING
INHALATION
COMPLIANCE (RESPIRATORY)
DEPOSITION (RESPIRATORY)
LUNG CLEARANCE
OXYGEN CONSUMPTION
PULMONARY FUNCTION
OXYGEN DIFFUSION
PULMONARY RESISTANCE
11-6
VITAL CAPACITY
VENTILATION (PULMONARY)
RETENTION
SMOKING
NON-SMOKERS
PASSIVE SMOKING
SMOKERS
SYNERGISM
THRESHOLDS
TOXICITY
TOXIC TOLERANCES
DISEASES AND DISORDERS
ALLERGIES
ANEMIA
ANOXIA
ASPHYXIATION
BERYLLIOSIS
BLINDNESS
CANCER
BRONCHIAL CANCER
LEUKEMIA
LUNG CANCER
SKIN CANCER
TRACHEAL CANCER
CARCINOGENS
CARDIOVASCULAR DISEASES
ERYTHEMA
EYE IRRITATION
FLUOROSIS
HEADACHE
HEALTH IMPAIRMENT
HYPERSENSITIVITY
HYPERVENTILATION
HYPOXIA
INFECTIOUS DISEASES
LACHRYMATION
METAL POISONING
MUTAGENESIS
NAUSEA
ORGANIC DISEASES
RESPIRATORY DISEASES
ADENOVIRUS INFECTIONS
ASTHMA
BRONCHITIS
BRONCHOCONSTRICTION
BRONCHOPNEUMONIA
COMMON COLD
COUGH
EMPHYSEMA
HAYFEVER
INFLUENZA
LARYNGITIS
PLEURISY
PNEUMOCONIOSIS
ANTHRACOSIS
ASBESTOSIS
BYSSINOSIS
FARMERS LUNG
SILICOSIS
PNEUMONIA
PULMONARY EDEMA
TUBERCULOSIS
STERILITY
THROAT IRRITATION
TUMORS
-------
CHEMICAL SUBSTANCES
ACIDS
INORGANIC ACIDS
HYDROCHLORIC ACID
HYDROFLUORIC ACID
NITRIC ACID
NITROUS ACID
PERCHLORIC ACID
PHOSPHORIC ACID
SULFURIC ACID
ORGANIC ACIDS
ACETIC ACID
ADIPIC ACID
BENZOIC ACID
FORMIC ACID
HYDROCYANIC ACID
PHTHALIC ACID
SULFONIC ACID
ALCOHOLS
ETHYL ALCOHOL
PHENOLS
ALDEHYDES
ACETALDEHYDE
ACROLEIN
BUTYRALDEHYDES
FORMALDEHYDES
PROPIONALDEHYDES
AMMONIUM COMPOUNDS
AMMONIA
AMMONIUM CHLORIDE
AMMONIUM SULFATE
ARSENIC COMPOUNDS
ARSINE
BROMINE COMPOUNDS
BROMATES
BROMIDES
CARBIDES
CARBONATES
CARBONYLS
CHLORINE COMPOUNDS
CHLORATES
CHLORIDES
CYANATES
CYANIDES
ESTERS
ETHERS
FLUORINE COMPOUNDS
FLUORIDES
HALOGEN GASES
BROMINE
CHLORINE
FLUORINE
IODINE
HALOGENATED HYDROCARBONS
BROMINATED HYDROCARBONS
CHLORINATED HYDROCARBONS
CARBON TETRACHLORIDE
CHLOROFORM
HEXACHLOROBENZENE
POLYCHLORINATED BIPHENYLS
FLUORINATED HYDROCARBONS
IODINATED HYDROCARBONS
HYDRAZINES
HYDRAZONES
HYDRIDES
HYDROCARBONS
ALIPHATIC HYDROCARBONS
BUTANES
ISOBUTANES
CYCLIC ALKANES
HEPTANES
HEXANES
METHANES
NAPHTHENES
OCTANES
OLEFINS
ACETYLENES
BUTYNES
PROPYNES
AMYLENES
BUTENES
TRANS-2-BUTENE
DIOLEFINS
ALLENES
BUTADIENES
ETHYLENE
HEPTENES
HEXENES
PENIEVES
PROPENES
PENTANES
ISOPENTANES
PROPANES
AROMATIC HYDROCARBONS
BENZENES
TRIMETHYLBENZENE
PHENYL COMPOUNDS
DIPHENYLS
STIBENE
PHENYLS
STYRENES
TETRAPHENYLS
TRIPHENYLS
TOLUENES
NITROTOLUENES
XYLENES
POLYNUCLEAR COMPOUNDS
ACENAPHTHALENES
ANTHRACENES
CHRYSENES
FLUORANTHENES
FLUORENES
NAPHTHACENES
NAPHTHALENES
PENTAPHENES
PERYLENES
PHENANTHRENES
PICENES
PYRENES
BENZOPYRENES
BENZO(3-4)PYRENE
TRIPHENYLENES
HYDROGEN
HYDROXIDES
IODINE COMPOUNDS
IODIDES
KETONES
ACETONE
QUINONES
METAL COMPOUNDS
ALUMINUM COMPOUNDS
ALUMINUM SILICATES
ANTIMONY COMPOUNDS
BARIUM COMPOUNDS
BERYLLIUM COMPOUNDS
BISMUTH COMPOUNDS
BORON COMPOUNDS
BORATES
BORIDES
CADMIUM COMPOUNDS
CALCIUM COMPOUNDS
-------
CALCIUM SULFATES
CERIUM COMPOUNDS
CESIUM COMPOUNDS
CHROMIUM COMPOUNDS
CHROMATES
COBALT COMPOUNDS
COPPER COMPOUNDS
IRON COMPOUNDS
LEAD COMPOUNDS
LEAD CHLORIDE
TETRAETHYL LEAD
TETRAMETHYL LEAD
LITHIUM COMPOUNDS
LITHIUM CHLORIDE
MAGNESIUM COMPOUNDS
MANGANESE COMPOUNDS
MANGANESE SULFATES
MERCURY COMPOUNDS
MOLYBDENUM COMPOUNDS
NICKEL COMPOUNDS
PLATINUM COMPOUNDS
PLUTONIUM COMPOUNDS
POTASSIUM COMPOUNDS
POTASSIUM CARBONATES
SILVER COMPOUNDS
SILVER IODIDE
SODIUM COMPOUNDS
SODIUM CARBONATE
SODIUM CHLORIDE
SODIUM HYDROXIDE
SODIUM HYPOCHLORITE
SODIUM SULFATE
SODIUM SULFITE
STRONTIUM COMPOUNDS
TIN COMPOUNDS
TITANIUM COMPOUNDS
URANIUM COMPOUNDS
VANADIUM COMPOUNDS
ZINC COMPOUNDS
ZIRCONIUM COMPOUNDS
NITRATES
NITROMETHANE
PEROXYACYL NITRATES
PEROXYACETYL NITRATE
PEROXYBUTYL NITRATE
PEROXYPROPYL NITRATE
NITRILES
NITRITES
NITROSO
NITROGEN
NITROGEN ORGANIC COMPOUNDS
ACRIDINES
AMIDES
AMINES
AZINES
AZOLES
CARBAZOLES
NICOTINES
PYRIDINES
QUINOLINES
QUINOXALINE
ORGANOMETALLICS
OXIDES
ALUMINUM OXIDES
BERYLLIUM OXIDES
CARBON DIOXIDE
CARBON MONOXIDE
CHROMIUM OXIDES
IRON OXIDES
NITROGEN OXIDES
NITRIC ANHYDRIDE (N205)
NITRIC OXIDE (NO)
NITROGEN DIOXIDE (NO2)
NITROGEN TRIOXIDE (NO3)
NITROUS ANHYDRIDE (N203)
NITROUS OXIDE (N20)
PEROXOIDES
SILICON DIOXIDE
SULFUR OXIDES
SULFUR DIOXIDE
SULFUR TRtOXIDE
ZINC OXIDES
OXYGEN
OZONE
PHOSPHORUS COMPOUNDS
PHOSPHATES
PHOSPHINE
PHOSPHORUS ORGANIC COMPOUNDS
RADON
SELENIUM COMPOUNDS
SILICON COMPOUNDS
SILICATES
SULFUR COMPOUNDS
SULFATES
SULFIDES
CARBON DISULFIDE
HYDROGEN SULFIDE
SULFITES
SULFUR ORGANIC COMPOUNDS
DIMETHYL DISULFIDE
MERCAPTANS
METHYL MERCAPTANS
METHYL SULFIDE
SULFHYDRYL COMPOUNDS
THIOPHENE
TELLURIUM COMPOUNDS
11-8
-------
CHEMICAL & PHYSICAL PHENOMENA
CHEMICAL AND PHYSICAL PHENOMENA
ABSORPTION PHENOMENA
ADSORPTION PHENOMENA
AERODYNAMICS
CATALYSIS
CATALYSTS
CATALYTIC ACTIVITY
CENTRIFUGATION
GAS CENTRIFUGATION
CHEMICAL BONDS
CHEMICAL REACTIONS
DECOMPOSITION
DISPLACEMENT
DISSOCIATION
HYDROGENATION
HYDROLYSIS
NITRATION
OXIDATION
PHOTOCHEMICAL REACTIONS
PHOTOLYSIS
PHOTOOXIDATION
POLYMERIZATION
PYROLYSIS
RECOMBINATION
REDUCTION
CLEANING
COALESCING
COMBUSTION
FLAMES
COMPRESSION
CONDENSATION
CRYSTALLIZATION
DEHUMIDIFICATION
DEHYDRATION
DEPOSITION PHENOMENA
DIFFRACTION
DIFFUSION PHENOMENA
DILUTION
DISINTEGRATION
DISTILLATION
DRYING
ELECTRICAL EXCITATION
ELECTROLYSIS
ELECTROMAGNETIC ABSORPTION
ELUTRIATION PHENOMENA
EMISSIVITY
ENCAPSULATION
EVAPORATION
FERMENTATION
FLUID FLOW
BOUNDARY LAYER
FLOW RATES
FLUORESCENCE
FRACTIONATION
FREE RADICALS
GAS-SOLID EQUILIBRIA
GRAVITATION
HEAT TRANSFER
CONVECTION
COOLING
FREEZING
SUPERCOOLING
MELTING
HUMIDIFICATION
HYGROSCOPICITY
INTERMOLECULAR FORCES
ION EXCHANGING
IONIZATION
PHOTOIONIZATION
IONS
ISOTOPES
KINEMATICS
LIGHT EXTINCTION
LIGHT POLARIZATION
LIGHT RADIATION
INFRARED RADIATION
SOLAR RADIATION
ULTRAVIOLET RADIATION
VISIBLE RADIATION
LIGHT REFRACTION
LIGHT SCATTERING
LIGHT TRANSMISSION
LUMINESCENCE
CHEMILUMINESCENCE
PHOSPHORESCENCE
MASS TRANSFER
MIXING
MOBILITY
MOLECULAR EXCHANGE
NUCLEAR REACTIONS
NUCLEATION
ORINETATION (DIRECTION)
PARTICLE ENTRAPMENT
PARTICLE GROWTH
PHASE TRANSFORMATION
PHOTOELECTRIC PHENOMENA
PHYSICAL STATES
DISPERSIONS
COLLOIDS
EMULSIONS
GASES
COMPRESSED GASES
STANDARD GASES
LIQUIDS
WATER
SOLIDS
ICE
POWDER (PARTICLES)
VAPORS
STEAM
WATER VAPOR
RADIOACTIVE RADIATION
ALPHA PARTICLES
BETA PARTICLES
COSMIC RAYS
FALLOUT
GAMMA RADIATION
X-RAYS
RADIO WAVES
REACTION KINETICS
REACTION MECHANISMS
RESILIENCE
SEDIMENTATION
SOLVENT EXTRACTION
SOUND
SUPERSATURATION
STERILIZATION PHENOMENA
SUBLIMATION
SURFACTANTS
THERMAL RADIATION
THERMODYNAMICS
TURBULENCE (GENERAL)
ULTRASONICS
VELOCITY
VIBRATION
WAVELENGTHS
WETTING
11-9
-------
CHEMICAL & PHYSICAL PROPERTIES
CHEMICAL AND PHYSICAL PROPERTIES
CRYSTAL STRUCTURE
DENSITY
ELECTRICAL PROPERTIES
CORONA
DIPOLE MOMENT
ELECTRICAL RESISTANCE
ELECTRIC CHARGE
VOLTAGE
HEAT CAPACITY
HEAT OF COMBUSTION
MAGNETIC PROPERTIES
OPTICAL PROPERTIES
PERMFABILITY
PH
PRESSURE
REFRACTIVE INDEX
SOLUBILITY
SURFACE PROPERTIES
ADHESION
POROSITY
SURFACE TENSION
TEMPERATURE
TENSILE STRENGTH
THERMAL CONDUCTIVITY
THERMODYNAMIC PROPERTIES
ENTHALPY
ENTROPY
FREE ENERGY
VAPOR PRESSURE
VISCOSITY
VISUAL PROPERTIES
COLOR
VOLATILITY
WEIGHT
CONTROL EQUIPMENT & METHODS
COMMERCIAL EQUIPMENT
CONTROL EQUIPMENT-GAS STEAMS
AIR CONDITIONING EQUIPMENT
COLLECTORS (MECHANICAL)
CENTRIFUGAL SEPARATORS
CENTRIFUGAL SEPARATORS (NEC)
CYCLONES (CONTROL)
GRAVITY COLLECTORS
BAFFLES
LOUVER SEPARATORS
SETTLING CHAMBERS
MIST ELIMINATORS
ROTATIONAL SEPARATORS
SONIC AGGLOMERATORS
CONTROL EQUIPMENT-GAS STEAMS (NEC)
ELECTROSTATIC PRECIPITATORS
EXHAUST SYSTEMS
FANS (BLOWERS)
FILTERS
CERAMIC AND METAL-CERAMIC FILTERS
FABRIC FILTERS
BAG FILTERS
FIBER FILTERS
FILTER FABRICS
GLASS FABRICS
TREATED FABRICS
FOAM POLYMER FILTERS
HEPA FILTERS
SCREEN FILTERS
VISCOUS FILTERS
FLARES
INCINERATORS (WASTE GASES)
CATALYTIC AFTERBURNERS
FLAME AFTERBURNERS
PROTECTIVE MASKS
OXYGEN MASKS
SCRUBBERS
FLUIDIZED BED SCRUBBERS
PACKED TOWERS
SPRAY TOWERS
TRAY TOWERS
BUBBLE CAP TOWERS
IMPINGEMENT PLATE TOWERS
STEVE PLATE TOWERS
VENTURI SCRUBBERS
FIXED THROAT VENTURI SCRUBBERS
VARIABLE THROAT VENTURI
SCRUBBERS
WET CYCLONES
VAPOR RECOVERY SYSTEMS
11-10
-------
CONTROL METHODS-ROOMS AND OBJECTS
CONTROL METHODS-OBJECTS
CONTROL METHODS-ROOMS
CONTROL METHODS
ABSORPTION (CONTROL)
ADSORPTION (CONTROL)
AUTOMOTIVE EMISSION CONTROL
ENGINE DESIGN MODIFICATION
ENGINE OPERATION MODIFICATION
AIR-FUEL RATIO
CARBURETION
SPARK TIMING
TIMED FUEL INJECTION
BY-PRODUCT RECOVERY
CATALYTIC OXIDATION
BLACK LIQUOR OXIDATION
FUEL ADDITIVES
FUEL TREATMENT
COAL CONVERSION
CARBONATION
GASIFICATION
SOLVENT'REFINING
COAL PREPARATION
BACTERIAL OXIDATION
CENTRIFUGED SEPARATION
DENSE MEDIUM SEPARATION
ELECTROSTATIC SEPARATION (COAL)
ELUTRIATION (COAL)
FROTH FLOTATION
JIGS
MAGNETIC SEPARATION
OCR PROCESSES
TABLES AND CLASSIFIERS
FUEL OIL PREPARATION
BLENDING
HYDRODE SULFURIZATION
NATURAL GAS SWEETENING
SYNTHESIS GAS CLEANING
INSPECTION
MAINTENANCE
ODOR CONTROL
ODOR COUNTERACTION
ODOR MASKING
PROCESS MODIFICATION
FIRING METHODS
AIR PREHEAT
COMBUSTION AIR
EXCESS AIR
OVERFIRE AIR
SECONDARY AIR
UNDERFIRE AIR
FUEL CHARGING
OVERFEED METHODS
STOKERS
SPREADER STOKERS
TRAVELING GRATES
UNDERFEED METHODS
FUEL PREHEAT
FUEL SUBSTITUTION
RAPPING
RECIRCULATION
SEDIMENTATION (CONTROL)
GRAVITY SETTLING (CONTROL)
INERTIAL SEPARATION (CONTROL)
VENTILATION
WASTE GAS CONTROL
AQUEOUS SOLUTION SCRUBBING
HYDROCARBON CONTROL
INORGANIC LIQUID SORPTION
INORGANIC SOLID SORPTION
NOX CONTROL
AMMONIA REDUCTION
ORGANIC LIQUID SORPTION
ORGANIC SOLID SORPTION
PHYSICAL METHODS
REDUCTION TO ELEMENTS
SOX CONTROL
ALKALINE ADDITIVES
LIME/LIMESTONE PROCESSES
SODIUM PROCESSES
ALKALIZED ALUMINA
ASARCO DIMETHYLANILINE PROCESS
CAT-OX PROCESS
COMINCO SULFUR PROCESS
DOUBLE CONTACT PROCESS (CONTROL)
GE LIQUID MEMBRANE PROCESS
GRILLO PROCESS
JOHNSTONE ZINC OXIDE PROCESS
LURGI SULFACID PROCESS
MAGNESIUM OXIDE PROCESS
MANGANESE DIOXIDE PROCESS
MOLTEN CARBONATE PROCESS
PENELEC PROCESS
PETER SPENCE PROCESS (GLAUS)
REINLUFT PROCESS
STONE AND WEBSTER PROCESS
SULFIDINE PROCESS
TELLER PROCESS
WELLMAN LORD PROCESS
11-11
-------
FOOD & PLANTS
FOOD
MILK
CHLOROPLASTS
FUNGAL EFFECTS
POWDERY MILDEWS (ERYSIPHACEAE)
RUSTS (UREDINALES)
LANDSCAPE ARCHITECTURE
GREENBELTS
LEAVES
NEEDLES
PLANT DAMAGE
BANDING
CHLOROSIS
MOTTLING
NECROSIS
STIPPLING
TIP BURN
PLANT GROWTH AND DEVELOPMENT
ABSCISSION
DWARFING
GROWTH REGULATORS
AUXINS
PHOTOSYNTHESIS
PIGMENT SYSTEMS
ANTHOCYANINS
PLANT INDICATORS
PLANT REPRODUCTION
SEED GERMINATION
SEEDLINGS
PLANTS (BOTANY)
ALGAE
AQUATIC PLANTS
CROPS
ALFALFA
BARLEY
BIRDS FOOT TREFOIL
BUCKWHEAT
CASTOR BEAN
CLOVER
CORN
COTTON
COWPEA
FLAX
GRASSES
LUPINE
OATS
PEANUTS
RAPE
RICE
RYE
SORGHUM
SOYBEANS
SUGAR CANE
TEA
TOBACCO
WHEAT
FERNS
FLOWERS
BEGONIA
CARNATION
CHRYSANTHEMUM
COLEUS
GERANIUM
GLADIOLUS
HYACINTH
IRIS
IVY
KALANCHOE
LAUREL
LILY
NARCISSUS
ORCHID
PETUNIA
POINSETTIA
ROSE
SNAPDRAGON
SUNFLOWER
SWEET PEA
TULIP
VIOLET
FRUITS
APPLES
APRICOTS
AVOCADOS
BANANAS
BLUEBERRIES
CANTALOUPES
CHERRIES
CITRUS
GRAPEFRUITS
ORANGES
COFFEE (FRUIT)
CRANBERRIES
GRAPES
LOQUATS
MANGOES
MULBERRIES
PEACHES
PEARS
PINEAPPLES
PLUMS
PUMPKINS
RASPBERRIES
STRAWBERRIES
WATERMELONS
HERBS
LICHENS
MOSSES
ORCHARDS
ORNAMENTALS
BRIDAL WREATH
LILAC
MINT
PRIVET
RHODODENDRON
SNOWBERRY
SHRUBS
11-12
-------
TREES
CONIFERS
CEDAR TREES
FIR TREES
PINE TREES
PONDEROSA PINE TREES
SCOTCH PINE TREES
SPRUCE TREES
WHITE PINE TREES
DECIDUOUS TREES
ASH TREES
BEECH TREES
BIRCH TREES
ELM TREES
MAPLE TREES
OAK TREES
REDWOOD TREES
RUBBER TREES
VEGETABLES
ARTICHOKES
BEANS
BEETS (GARDEN)
BROCCOLI
CABBAGE
CARROTS
CAULIFLOWERS
CELERY
CHARD
CUCUMBERS
ENDIVES
LENTILS
LETTUCE
ONIONS
PEAS
PEPPERS
PINTO BEANS
POTATOES (IRISH)
POTATOES (SWEET)
RADISHES
SPINACH
SQUASH
TOMATOES
TURNIPS
WEEDS
GOLDENROD
RESPIRATION (PLANTS)
ROOTS
STOMATA
TRANSPIRATION
LOCATIONS & STRUCTURES
AFRICA
EGYPT
SOUTH AFRICA
AMERICA
LATIN AMERICA
CENTRAL AMERICA
MEXICO
SOUTH AMERICA
NORTH AMERICA
CANADA
UNITED STATES
ALABAMA
BIRMINGHAM, ALABAMA
ALASKA
ARIZONA
ARKANSAS
CALIFORNIA
LOS ANGELES
SAN FRANCISCO
COLORADO
CONNECTICUT
DELAWARE
FLORIDA
GEORGIA
ATLANTA
HAWAII
IDAHO
ILLINOIS
CHICAGO
INDIANA
IOWA
KANSAS
KENTUCKY
LOUISIANA
NEW ORLEANS
MAINE
MARYLAND
MASSACHUSETTS
MICHIGAN
DETROIT
MINNESOTA
MISSISSIPPI
MISSOURI
ST LOUIS
MONTANA
NEBRASKA
NEW HAMPSHIRE
NEW JERSEY
NEW MEXICO
NEW YORK STATE
NEW YORK CITY
NORTH CAROLINA
NORTH DAKOTA
OHIO
CINCINNATI
OKLAHOMA
OREGON
PENNSYLVANIA
DONORA
PHILADELPHIA
PITTSBURGH
RHODE ISLAND
SOUTH CAROLINA
SOUTH DAKOTA
TENNESSEE
NASHVILLE
TEXAS
HOUSTON
UTAH
11-13
-------
VERMONT
VIRGINIA
WASHINGTON D C
WASHINGTON (STATE)
WEST VIRGINIA
WISCONSIN
WYOMING
ASIA
CHINA
INDIA
ISRAEL
JAPAN
CHIBA PREFECTURE
KANAGAWA PREFECTURE
YOKOHAMA
OSAKA
SAPPORO
TOKYO
YOKKAICHI
EUROPE
EASTERN EUROPE
ALBANIA
BULGARIA
CZECHOSLOVAKIA
GERMAN DEMOCRATIC REPUBLIC
HUNGARY
POLAND
POLAND
ROMANIA
USSR
YUGOSLAVIA
WESTERN EUROPE
AUSTRIA
BELGIUM
MEUSE VALLEY
FRANCE
PARIS
GERMANY, FEDERAL REPUBLIC
GREECE
GREENLAND
ICELAND
IRELAND
ITALY
NETHERLANDS
PORTUGAL
SCANDINAVIA
DENMARK
FINLAND
NORWAY
SWEDEN
SPAIN
SWITZERLAND
TURKEY
UNITED KINGDOM
GREAT BRITAIN
BIRMINGHAM, ENGLAND
LONDON
SOUTH PACIFIC
AUSTRALASIA
AUSTRALIA
NEW ZEALAND
AIRPORTS
DIRT AIR STRIPS
COMMERCIAL AREAS
INDUSTRIAL AREAS
METROPOLITAN AREAS
SUBURBAN AREAS
URBAN AREAS
NON-METROPOLITAN AREAS
FARMS
RECREATION AREAS
RURAL AREAS
PARKING FACILITIES
RESIDENTIAL AREAS
ROADS
DIRT ROADS
HIGHWAYS
LIMITED ACCESS ROADS
STREETS
STRUCTURES
BUILDINGS
GARAGES
GREENHOUSES
PUBLIC BUILDINGS
RESIDENTIAL BUILDINGS
SUBSURFACE STRUCTURES
SUBWAYS
TUNNELS
TOPOGRAPHIC LOCATIONS
BODIES OF WATER
HARBORS
LAKES
OCEANS
RIVERS
FORESTS
MOUNTAINS
PLAINS
POLAR REGIONS
SOILS
VALLEYS
11-14
-------
MATERIALS & DETERIORATION
MATERIALS
ABRASIVES
ABSORBERS (MATERIALS)
ADHESIVES
CARBON
ACTIVATED CARBON
CARBON BLACK
CHARCOAL
CERAMICS
CONSTRUCTION MATERIALS
ASPHALT
BRICKS
CEMENTS
CONCRETE
GLASS
STONE
ELECTRICAL INSULATORS
INK
LEATHER
LUBRICANTS
MATERIALS DETERIORATION
CORROSION
CRACKING
DISCOLORATION
FADING
SCALING
SOILING
METALS
ALUMINUM
BERYLLIUM
BISMUTH
CADMIUM
CHROMIUM
COPPER
COPPER ALLOYS
FERRO ALLOYS
GOLD
IRON
STEEL
STAINLESS STEEL
LEAD
LEAD ALLOYS
MAGNESIUM
MANGANESE
MERCURY
MOLYBDENUM
NICKEL
NICKEL ALLOYS
PLATINUM
TIN
TITANIUM
VANADIUM
ZINC
ZIRCONIUM
MINERAL PRODUCTS
ASBESTOS
CLAY
GRAPHITE
GYPSUM
KAOLIN
LIMESTONE
MINERAL WOOL
QUARTZ
ZEOLITES
PAPER
FILTER PAPER
PIGMENTS
PLASTICS
FIBERGLASS REINFORCED PLASTICS
TEFLON
PROTECTANTS
ANTIOXIDANTS
REFRACTORIES
ROCKS
RUBBER
SYNTHETIC RUBBER
SAND AND GRAVEL
SEALING COMPOUNDS
SEALS
SURFACE COATINGS
ENAMELS
LACQUERS
PAINTS
PRIMERS
VARNISHES AND SHELLAC
TAR (MATERIAL)
TEXTILES
CARPETS
COTTONS
RUBBERIZED FABRICS
SYNTHETIC FIBERS
NYLON
ORLON
WOOLS
TIRES
WOOD (MATERIAL)
11-15
-------
METHODS & FACILITIES
AUTOCLAVES
BASELINE DETERMINATION
BREATHING APPARATUS
CALIBRATION METHODS
CAMERAS
COMBUSTION CHAMBERS
COMPUTERS
COMPUTER TERMINALS
CONTROLLED ATMOSPHERES
SPACECRAFT ATMOSPHERES
DATA HANDLING SYSTEMS
COMPUTER PROGRAMS
DATA ANALYSIS
DATA RETRIEVAL
INFORMATION RETRIEVAL
DESIGN CRITERIA
DYNAMOMETERS
ELECTRICAL MEASUREMENT DEVICES
VOLTMETERS
ELECTRON MICROSCOPY
ELECTRONOGRAPHY
ENGINE OPERATING CYCLES
EXPERIMENTAL EQUIPMENT
EXPERIMENTAL METHODS
EXPOSURE METHODS
FIELD OPERATIONS
FIELD TESTS
FLEXOMETERS
FLOWMETERS
FLOW VISUALIZATION
FLUIDIZED BED PROCESSING
GOVERNMENT FACILITIES
HEIGHT FINDING
INSTRUMENTATION
LASERS
LIDAR
MAPPING
MATERIAL BALANCE
MATHEMATICAL ANALYSES
MATHEMATICAL MODELING
PROPORTIONAL MODELING
METEOROLOGICAL INSTRUMENTS
ANEMOMETERS
BALLOONS
BAROMETERS
HYGROMETERS
RADIOSONDES
OZONESONDES
NETWORKS
PILOT PLANTS
PLETHYSMOGRAPHY
QUALITY ASSURANCE
RADIOGRAPHY
RECORDING METHODS
DIGITAL METHODS
HOLOGRAPHIC METHODS
PHOTOGRAPHIC METHODS
MOTION PICTURES
PHOTOMICROGRAPHY
XEROGRAPHY
RESEARCH METHODOLOGIES
SAFETY EQUIPMENT
SATELLITES (ARTIFICIAL)
SIMULATION
SITE SELECTION
STACKS
MULTIPLE-SOURCE STACKS
STACK DIAMETER
STACK HEIGHT
STATISTICAL ANALYSES
TEMPERATURE SENSING INSTRUMENTS
THERMISTORS
THERMOCOUPLES
THERMOMETERS
TESTING FACILITIES
EXPOSURE CHAMBERS
IONIZATION CHAMBERS
IRRADIATION CHAMBERS
LABORATORY FACILITIES
TEST ENGINES
WIND TUNNELS
TRACERS
RADIOACTIVE TRACERS
MISCELLANEOUS
AVAILABILITY
EFFICIENCY
GROWTH RATE
OPERATING VARIABLES
THROUGHPUT
TRENDS
MODIFIERS
ACUTE
ANNUAL
AUTOMATIC (MODIFIER)
CHRONIC
CONTINUOUS
DIURNAL
HOURLY
INDOOR
IN SITU
INTERMITTENT (MODIFIER)
INTERNATIONAL
MANUAL
MOBILE
MONTHLY
PORTABLE
SEASONAL
WEEKLY
11-16
-------
POLLUTANTS & MICROORGANISMS
POLLUTANTS
ACID SMUTS
AERCALLERGENS
ENGINE EMISSIONS
ENGINE EXHAUSTS
CRANKCASE EMISSIONS
BLOWBY
CRANKCASE VENTILATION AIR
CRANKCASE LUBRICATION FUMES
FUEL EVAPORATION
FUEL TANK EVAPORATION
CARBURETOR EVAPORATION LOSSES
HOT SOAK
RUNNING EVAPORATIVE LOSSES
COMBUSTION PRODUCTS
ASHES
CINDERS
COMBUSTION GASES
ODOROUS POLLUTANTS
OXIDANTS
PARTICULATES
AEROSOLS
SETTLING PARTICLES
DUSTS
SEA SALTS
SOOT
SPRAYS
SUSPENDED PARTICULATES
DROPLETS
FLY ASH
FUMES
MISTS
POLLENS
RAGWEED POLLEN
SMOG
SMOKES
TOBACCO SMOKE
PESTICIDES
PHYTOTOXICANTS
DEFOLIANTS
HERBICIDES
POLLUTANT PRECURSORS
OXIDANT PRECURSORS
SOLVENTS
DRY CLEANING SOLVENTS
PAINT REMOVERS
TARS (POLLUTANTS)
WASTE GASES
STACK GASES
MICROORGANISMS
BACTERIA
FUNGI
PROTOZOA
SPORES
VIRUSES
11-17
-------
SAMPLING & MEASUREMENT
AIR QUALITY MEASUREMENTS
CHEMICAL COMPOSITION
ASH FRACTION
BENZENE-SOLUBLE ORGANIC MATTER
ALIPHATIC FRACTIONS
AROMATIC FRACTIONS
OXYGENATED FRACTIONS
COMBUSTIBLES AND VOLATILES
INORGANIC FRACTION
NON-METHANE HYDROCARBONS
WATER INSOLUBLE FRACTION
WATER SOLUBLE FRACTION
BUILD-UP RATES
DISSIPATION RATES
DUST FALL
EMMISSION FACTORS
EMISSION INVENTORIES
SMOG INDEX
SMOKE SHADE
RINGELMANN CHART
SOILING INDEX
COEFFICIENT OF HAZE
REFLECTANCE UNIT DENSITY
SOOT FALL
TOTAL HYDROCARBONS
VISIBILITY
ANALYTICAL METHODS
CHEMICAL METHODS
ELECTROCHEMICAL METHODS
COULOMETRIC METHODS
POLAROGRAPHIC METHODS
POTENTIOMETRIC METHODS
SOLID STATE METHODS
IODIMETRIC METHODS
CHROMATOGRAPHY
COLUMN CHROMATOGRAPHY
FLAME IONIZATION (HC)
GAS CHROMATOGRAPHY
FLAME IONIZATION DETECTOR (CO)
FLAME PHOTOMETRY
PAPER CHROMATOGRAPHY
THIN-LAYER CHROMATOGRAPHY
COLORIMETRY
MBTH METHOD (ALDEHYDES)
SALTZMAN METHOD (NOX)
WEST AND GAEKE METHOD (S02)
MINEFALOGICAL ANALYSIS
NEUTRON ACTIVATION ANALYSIS
SPECTROMETRY
ATOMIC ABSORPTION SPECTROMETRY
EMISSION SPECTROMETRY
INFRARED SPECTROMETRY
NON-DISPERSIVE INFRARED
SPECTROMETRY
MASS SPECTROMETRY
TUNED LASER SPECTROMETRY
ULTRAVIOLET SPECTROMETRY
X-RAY FLUORESCENCE SPECTROMETRY
SPECTROPHOTOMETRY
AZO DYE
QUENCHING
SPOT TESTS
TRACE ANALYSIS
X-RAY DIFFRACTION
MEASUREMENT METHODS
AUTOMATIC MEASUREMENT METHODS
CHEMILUMINESCENCE METHODS
CONDUCTIMETRIC METHODS
CRYSTAL METHODS
11-18
CUMULATIVE MEASUREMENT METHODS
DUST FALL BUCKETS
SULFATION-OF-LEAD METHODS
ELECTROSTATIC METHODS
GRAVIMETRIC METHODS
MASS DETERMINATION
MONITORING
CONTINUOUS MONITORING
INTERMITTENT MONITORING
SOURCE MONITORING
STACK MONITORING
ODORIMETRY
OPTICAL METHODS
MACRO-OPTICAL METHODS:
MICROSCOPY
ORSAT ANALYSIS
PHOTOMETRIC METHODS
OPACITY METERS
RADIATION MEASURING SYSTEMS
RADIATION COUNTERS
SMOKEMETERS
TRANSMISSOMETERS
SPECIFIC ION ELECTRODE
ORGANIC MATTER REMOVAL
LOW TEMPERATURE ASHING
MUFFLE FURNACES
PARTICLE INVESTIGATION METHODS
PARTICLE COUNTING
AITKEN COUNTERS
ELECTROSTATIC COUNTERS
KONIMETERS
OWENS JET DUST COUNTERS
PARTICLE SEPARATION
BAFFLE SEPARATION
CONDENSATION SEPARATION
ELECTROSTATIC SEPARATION
(PARTICLE)
FIBER FILTRATION
FOAM SEPARATION
IMPACTION
IMPINGEMENT
INERTIAL SEPARATION
MEMBRANE FILTRATION
POROUS, GRANULAR, AND FRITTED
FILTRATION
SOLUBLE/VOLATILE FILTRATION
THERMAL PRECIPITATION
PARTICLE SIZE CLASSIFICATION
AEROSOL SPECTROMETERS
CASCADE IMPACTORS
ELECTROSTATIC CLASSIFIERS
SEDIMENTATION CLASSIFIERS
SIEVE ANALYSIS
TURBIDIMETRY
NEPHELOMETER
TYNDALLOMETER
REMOTE SENSING
SAMPLING METHODS
GAS SAMPLING
TRAPPING (SAMPLING)
PARTICULATE SAMPLING
REPRESENTATIVE SAMPLING
SAMPLERS
ASPIRATORS
HI-VOL SAMPLERS
POLLEN COLLECTORS
TAPE SAMPLERS (REFLECTANCE)
TAPE SAMPLERS (TRANSMITTANCE)
TAPE SAMPLERS (NEC)
SAMPLING PROBES
TITRIMETRIC METHODS
-------
SOURCES (EMISSION & POWER)
SOURCES
MOBILE EMISSION SOURCES
MISSILE AND SPACECRAFT LAUNCH
VEHICLES
TRANSPORTATION METHODS
AIRCRAFT
CIVIL AIRCRAFT
COMMERCIAL AIRCRAFT
JET AIRCRAFT
SUPERSONIC AIRCRAFT
MILITARY AIRCRAFT
PROPELLER AIRCRAFT
MASS TRANSPORTATION
MOTOR VEHICLE SOURCES
BRAKE LINING ATTRITION
HEAVY-DUTY VEHICLES
BUSES
TRUCKS
LIGHT-DUTY VEHICLES
AUTOMOBILES
MOTORCYCLES
OFF-ROAD VEHICLES
TIRE ATTRITION
VEHICULAR TRAFFIC
RAILROAD VEHICLES
VESSELS (MARINE)
NON-INDUSTRIAL EMISSION SOURCES (NEC)
COSMIC AND METEORITIC SOURCES
WATER BODIES
WATER POLLUTION
POWER SOURCES
ELECTRIC POWER SOURCES
ELECTRIC BATTERIES
FUEL CELLS
HYDROELECTRIC POWER
ENGINES
EXTERNAL COMBUSTION ENGINES
RANKINE CYCLE ENGINES
STEAM ENGINES
GAS TURBINE ENGINES
TURBOFAN ENGINES
TURBOJET ENGINES
INTERNAL COMBUSTION ENGINES
DIESEL ENGINES
ROTARY ENGINES
ROTARY COMBUSTION
ENGINES
ROTARY PISTON ENGINES
SPARK IGNITION ENGINES
STRATIFIED CHARGE ENGINES
TWO-STROKE CYCLE ENGINES
ROCKET ENGINES
STIRLING CYCLE ENGINES
FLYWHEEL POWER
GEOTHERMAL POWER
HYBRID POWER
NUCLEAR POWER
FISSION POWER
FUSION POWER
POWER CYCLES
SOLAR POWER
TIDAL POWER
WIND POWER
STATIONARY EMISSION SOURCES
BOILERS
BURNING
AGRICULTURAL BURNING
FORESTRY BURNING
GOBPILE BURNING (COAL REFUSE)
OPEN BURNING
CHEMICAL PROCESSES
CHAMBER PROCESS
CONTACT PROCESS
DOUBLE CONTACT PROCESS
COMPLEX SOURCES
COOLING TOWERS
CORE OVENS
DECREASING
DIGESTERS
ELECTRICAL DISCHARGES
EVAPORATORS
EXPLOSIONS
NUCLEAR EXPLOSIONS
FUEL CHARACTERISTICS
FUEL ASH CONTENT
FUEL HEAT CONTENT
FUEL SULFUR CONTENT
FUEL RESOURCES
FUELS
AUXILIARY FUELS
BAGASSE
COAL
ANTHRACITE COAL
BITUMINOUS COAL
COKE
DIESEL FUELS
FUEL GASES
LIQUFIED PETROLEUM GAS (LPG)
NATURAL GAS
PROCESS GAS
SYNTHETIC NATURAL GAS (SNG)
FUEL OILS
CRUDE OIL
DISTILLATE OILS
RESIDUAL OILS
SHALE OIL
GASOLINES
LEADED GASOLINES
UNLEADED GASOLINES
KEROSENE
LIGNITE
PEAT
PULVERIZED FUELS
SOLID WASTE FUELS
WOOD FUELS
FUEL USAGE
FUGITIVE DUST SOURCES
FURNACES
BASIC OXYGEN FURNACES
CUPOLAS
CYCLONE FURNACES
ELECTRIC FURNACES
OIL BURNERS
GUN-TYPE OIL BURNERS
ROTARY OIL BURNERS
OPEN HEARTH FURNACES
11-19
-------
INDUSTRIAL EMISSION SOURCES
AGRICULTURE INDUSTRY
AGRICULTURAL SERVICES
CROP SERVICES
COTTON GINNING
CROP SPRAYING
PLANT PROTECTION
ORCHARD HEATERS
(FROST CONTROL)
FERTILIZER APPLICATION
FEEDLOTS
CONSTRUCTION INDUSTRY
BUILDING CONSTRUCTION
CONSTRUCTION OTHER THAN BUILD-
ING CONSTRUCTION
ASPHALT PAVING
CONSTRUCTION-SPECIAL TRADES
ABRASIVE BLASTING
ASBESTOS APPLICATION
WRECKING AND DEMOLITION
ELECTRIC, GAS, AND SANITARY SERVICES
ELECTRIC POWER GENERATION
MAGNETOHYDRODYNAMICS (MHD)
NUCLEAR POWER PLANTS
REACTORS (NUCLEAR)
STEAM ELECTRIC POWER GENERATION
GAS PRODUCTION AND DISTRIBUTION
SANITARY SERVICES
REFUSE SYSTEMS
COMPOSTING
DUMPS
INCINERATORS (REFUSE)
AGRICULTURAL INCINERATORS
AUTO BODY INCINERATORS
CONTROLLED AIR INCINERATORS
INDUSTRIAL-COMMERCIAL
INCINERATORS
LIQUID INCINERATORS
MULTIPLE CHAMBER INCIN-
ERATORS
MUNICIPAL INCINERATORS
OPEN PIT INCINERATORS
PATHOLOGICAL INCINERATORS
RESIDENTIAL INCINERATORS
APARTMENT INCINERATORS
SINGLE CHAMBER INCINERATORS
SLUDGE INCINERATORS
TEEPEE BURNERS
LANDFILLS
ORGANIC WASTES
SEWERAGE SYSTEMS
SEWAGE TREATMENT
SEWERS
SLUDGE
MANUFACTURING INDUSTRIES
CHEMICALS AND ALLIED MANUFACTURING
AGRICULTURAL CHEMICAL PLANTS
NITROGENOUS FERTILIZER PLANTS
NITRIC ACID PLANTS
PHOSPHATIC FERTILIZER PLANTS
PHOSPHORIC ACID PLANTS
SUPERPHOSPHATE PLANTS
CARBON BLACK PRODUCTION
CYCLIC CRUDES AND INTERMEDIATE
PRODUCTION
DYE MANUFACTURING
EXPLOSIVES PRODUCTION
TNT PRODUCTION
GLUE MANUFACTURING
INDUSTRIAL INORGANIC CHEMICAL.
,,20 PLANTS
ALKALIES AND CHLORINE PLANTS
HYDROCHLORIC ACID PLANTS
PHOSPHOROUS PLANTS
SULFURIC ACID PLANTS
PAINTS AND ALLIED PRODUCTION
PLASTICS MATERIALS AND SYNTHETIC
PLANTS
PLASTICS MATERIALS AND RESINS
PLANTS
SYNTHETIC RUBBER PLANTS
SOAP AND DETERGENT PLANTS
DETERGENT MANUFACTURING
SOAP MANUFACTURING
SULFUR PRODUCTION
ELECTRICAL AND ELECTRONIC EQUIPMENT
PLANTS
BATTERY MANUFACTURING
FOOD AND KINDRED PRODUCTS INDUSTRY
BAKERIES
BEVERAGE INDUSTRY
CANNING
COFFEE ROASTING
DAIRY PRODUCTS INDUSTRY
FAT AND OIL PRODUCTION
RENDERING PLANTS, GREASE AND
TALLOW
FISH MEAL PRODUCTION
FISH AND SEAFOOD PREPARATION
GRAIN PROCESSING
FEED PROCESSING
FLOUR PROCESSING
MEAT PRODUCTS INDUSTRY
MEAT PACKING PLANTS
SLAUGHTERING PLANTS
SUGAR AND CONFECTIONARY PRODUCTS
INDUSTRY
FURNITURE INDUSTRY
LEATHER AND LEATHER PRODUCTS INDUSTRY
LUMBER AND WOOD PRODUCTS INDUSTRY
MACHINERY (EXCEPT ELECTRICAL) MANU-
FACTURING
METAL FABRICATION
COATING, ENGRAVING AND ALLIED
SERVICES
PLATING AND POLISHING
-------
METAL INDUSTRIES
BLAST FURNACE AND BASIC STEEL PRODUCTS
MILLS
BESSEMER CONVERTERS
BLAST FURNACES AND STEEL MILLS
BLAST FURNACES
FERROALLOY PRODUCTION-BF
COKE OVENS
BEEHIVE COKE OVENS
CHEMICAL RECOVERY COKE
OVENS
COKE QUENCHING
OXYGEN LANCING
SINTERING
ELECTROMETALLURGICAL PRODUCTS
MILLS
FERROALLOY PRODUCTION-E
FERROCHROMIUM PRODUCTION
FERROMANGANESE PRO-
DUCTION-E
FERROMOLYBDENUM PRO-
DUCTION
FERROPHOSPHORUS PRO-
DUCTION
FERROSILICON PRODUCTION-E
FERROTITANIUM PRODUCTION
FERROTUNGSTEN PRODUCTION
FERROVANADIUM PRODUCTION
MANGANESE PRODUCTION
MOLYBDENUM SILICON PRO-
DUCTION-E
NONFERROUS ADDITION ALLOY
PRODUCTION
STEEL PRODUCTION-E
IRON AND STEEL FOUNDRIES
GRAY IRON FOUNDRIES
MALLEABLE IRON FOUNDRIES
STEEL INVESTMENT FOUNDRIES
NONFERROUS FOUNDRIES
BRASS, BRONZE, AND COPPER FOUNDRIES
PRIMARY SMELTING AND REFINING OF NON-
FERROUS METALS
ALUMINUM PRIMARY PRODUCTION
COPPER PRIMARY SMELTING AND-
REFINING
LEAD PRIMARY SMELTING AND REFINING
ZINC PRIMARY SMELTING AND REFINING
SECONDARY SMELTING AND REFINING OF
NONFERROUS METALS
ALUMINUM SECONDARY SMELTING AND
REFINING
BRASS AND BRONZE SECONDARY
SMELTING AND REFINING
LEAD SECONDARY SMELTING AND
REFINING
PAPER AND ALLIED MANUFACTURING
BUILDING PAPER AND BOARD MILLS
PAPERBOARD MILLS
PAPER MILLS
PULP MILLS
KRAFT (SULFATE) PULPING
MECHANICAL PULPING
SEMI-CHEMICAL PULPING
SULFITE PULPING
PETROLEUM AND COAL PRODUCTS INDUSTRY
PAVING AND ROOFING MATERIALS PRO-
DUCTION
ASPHALT CONCRETE PLANTS (NON-
REFINERIES)
PETROLEUM REFINING
PRINTING AND PUBLISHING
RUBBER AND MISCELLANEOUS PLASTICS PRO-
DUCTION
PLASTICS PRODUCTION
RUBBER PRODUCTION
STONE, CLAY, GLASS, AND CONCRETE PRO-
DUCTION
ASBESTOS PRODUCTS PLANTS
BRICK AND STRUCTURAL CLAY TILE WORKS
CEMENT PLANTS (HYDRAULIC)
GLASS MANUFACTURING AND PROCESSING
FIBER GLASS PRODUCTION
LIME PLANTS
TEXTILE MILLS
TOBACCO MANUFACTURES
TRANSPORTATION EQUIPMENT MANUFACTURING
MOTOR VEHICLE ASSEMBLY PLANTS
MINERAL PROCESSING
MINING
COAL CLEANING PLANTS
PETROLEUM PRODUCTION
PETROLEUM DISTRIBUTION
REAL PROPERTY OPERATIONS
NON-RESIDENTIAL OPERATIONS
SHOPPING CENTERS
SPORTS COMPLEXES
RESIDENTIAL OPERATIONS
RETAIL TRADE
COOKING (RETAIL)
GASOLINE SERVICE STATIONS
FUEL OIL DEALERS
LIQUEFIED PETROLEUM GAS DEALERS
SCRAP YARDS
SERVICE INDUSTRIES
CREMATORIES
DRY CLEANING PLANTS (EXCEPT RUG)
HOTELS AND OTHER LODGING PLACES
LAUNDRIES
PEST CONTROL (BUILDINGS)
STORAGE FACILITIES (BULK LIQUID)
POL STORAGE
FIXED ROOF TANKS
FLOATING ROOF TANKS
KILNS
LIME KILNS
MATERIALS HANDLING
NON-INDUSTRIAL EMISSION SOURCES
(STATIONARY)
NATURAL EMISSION SOURCES
BIOLOGICAL DECAY
BOTANICAL SOURCES
FOREST FIRES
VOLCANOES
RESIDENTIAL SOURCES
STRUCTURE FIRES
PIPE LINES
SPACE HEATING
SURFACE COATING OPERATIONS
SPRAY COATING
11-21
-------
PART III
DESCRIPTORS
-------
PART III - DESCRIPTORS
ABATEMENT
ABRASIVE BLASTING
ABRASIVES
ABSCISSION
ABSENTEEISM
ABSORBERS (MATERIALS)
ABSORPTION *
ABSORPTION (CONTROL)
ABSORPTION (GENERAL)
ABSORPTION PHENOMENA
ACENAPHTHALENES
ACETALDEHYDE
ACETIC ACID
ACETONE
ACETYLENES
ACID SMUTS
ACIDS
ACRIDINES
ACROLEIN
ACTIVATED CARBON
ACUTE
ADAPTATION
ADENOVIRUS INFECTIONS
ADHESION
ADHESIVES
ADIPIC ACID
ADMINISTRATION
ADOLESCENCE
ADSORPTION * '
ADSORPTION (CONTROL)
ADSORPTION (GENERAL)
ADSORPTION PHENOMENA
ADULTHOOD
ADVECTION
ADVISORY SERVICES
AEROALLERGENS
AERODYNAMICS
AEROSOL APPLICATIONS
AEROSOL APPLICATIONS (NEC)
AEROSOL ATOMIZATION
AEROSOL CONDENSATION
AEROSOL DIFFUSION
AEROSOL DIFFUSION AND BROWNIAN MOTION
AEROSOL ELECTRICAL PHENOMENA
AEROSOL FORMATION
AEROSOL FORMATION (MIXED)
AEROSOL MECHANICS
AEROSOL PHENOMENA
AEROSOL SPECTROMETERS
AEROSOL SPRAYS (ORDINARY)
AEROSOL-AEROSOL COLLISIONS
AEROSOL-MACROBODY COLLISIONS
AEROSOLS
AFRICA
AFRIKAANS
AGE *
AGE (BIOLOGY)
'SUPERSEDED TERM
AGRICULTURAL APPLICATIONS
AGRICULTURAL BURNING
AGRICULTURAL CHEMICAL PLANTS
AGRICULTURAL INCINERATORS
AGRICULTURAL SERVICES
AGRICULTURE INDUSTRY
AIR CONDITIONING EQUIPMENT
AIR POLLUTION EPISODES
AIR POLLUTION FORECASTING
AIR POLLUTION INDICES
AIR PREHEAT
AIR QUALITY CRITERIA
AIR QUALITY MAINTENANCE AREAS
AIR QUALITY MEAS *
AIR QUALITY MEASUREMENT PROGRAMS
AIR QUALITY MEASUREMENTS
AIR QUALITY STANDARDS
AIR QUALITY SURVEYS
AIR RESOURCE MANAGEMENT
AIR-FUEL RATIO
AIRCRAFT
AIRPORTS
AITKEN COUNTERS
ALABAMA
ALASKA
ALBANIA
ALBANIAN
ALCOHOLS
ALDEHYDES
ALERTS
ALFALFA
ALGAE
ALIPHATIC *
ALIPHATIC FRACTIONS
ALIPHATIC HYDROCARBONS
ALKALIES AND CHLORINE PLANTS
ALKALINE ADDITIVES
ALKALIZED ALUMINA
ALLENES
ALLERGIES
ALPHA PARTICLES
ALTITUDE
ALUMINUM
ALUMINUM COMPOUNDS
ALUMINUM OXIDES
ALUMINUM PRIMARY PRODUCTION
ALUMINUM SECONDARY SMELTING AND REFINING
ALUMINUM SILICATES
ALVEOLI
AMERICA
AMIDES
AMINES
AMINO ACIDS
AMMONIA
AMMONIA REDUCTION
AMMONIUM CHLORIDE
AMMONIUM COMPOUNDS
1-1
-------
DESCRIPTORS
AMMONIUM SULFATE
AMYLENES
ANALYTICAL METHODS
ANEMIA
ANEMOMETERS
ANIMALS
ANIMALS (NON-HUMAN)
ANNUAL
ANOXIA
ANTHOCYANINS
ANTHRACENES
ANTHRACITE COAL
ANTHRACOSIS
ANTIBODIES
ANTICYCLONES
ANTIDOTES
ANTIGENS
ANTIMONY COMPOUNDS
ANTIOXIDANTS
APARTMENT INCINERATORS
APPLES
APRICOTS
AQUATIC ANIMALS
AQUATIC PLANTS
AQUEOUS SOLUTION SCRUBBING
ARABIC
AREA EMISSION ALLOCATIONS
AREA SOURCES
AREA SURVEYS
ARIZONA
ARKANSAS
ARMENIAN
AROMATIC FRACTIONS
AROMATIC HYDROCARBONS
ARSENIC COMPOUNDS
ARSINE
ARTICHOKES
ARTIFICIAL RESPIRATION
ASARCO DIMETHYLANILINE PROCESS
ASBESTOS
ASBESTOS APPLICATION
ASBESTOS PRODUCTS PLANTS
ASBESTOSIS
ASCORBIC ACID
ASH FRACTION
ASH TREES
ASHES
ASIA
ASPHALT
ASPHALT CONCRETE PLANTS (NON-REFINERIES)
ASPHALT PAVING
ASPHYXIATION
ASPIRATORS
ASTHMA
ATLANTA
ATMOS INTERACT *
ATMOSPHERIC INTERACTION
ATMOSPHERIC INTERACTION (CHEMICAL AND PHYSICAL)
ATMOSPHERIC INTERACTION (METEOROL AND
CLIMATOL AND TOPOGR)
ATMOSPHERIC MOVEMENTS
ATMOSPHERIC PHENOMENA
ATOMIC ABSORPTION SPECTROMETRY
ATTACK RATES
AUSTRALASIA
AUSTRALIA
AUSTRIA
•SUPERSEDED TERM
AUTO BODY INCINERATORS
AUTOCLAVES
AUTOMATIC *
AUTOMATIC (MODIFIER)
AUTOMATIC MEASUREMENT METHODS
AUTOMOBILES
AUTOMOTIVE EMISSION CONTROL
AUTOPSY
AUXILIARY FUELS
AUXINS
AVAILABILITY
AVOCADOS
AZERBAIDZHAN
AZINES
AZO DYE
AZOLES
BACTERIA
BACTERIAL OXIDATION
BAFFLE SEPARATION
BAFFLES
BAG FILTERS
BAGASSE
BAKERIES
BALLOONS
BANANAS
BANDING
BARIUM COMPOUNDS
BARLEY
BAROMETERS
BASELINE DETERMINATION
BASIC OXYGEN FURNACES
BASIC SCI-TECH *
BASIC SCIENCE AND TECHNOLOGY
BATTERY MANUFACTURING
BEANS
BEECH TREES
BEEHIVE COKE OVENS
BEES
BEETS (GARDEN)
BEGONIA
BELGIUM
BENGALI
BENZENE-SOLUBLE ORGANIC MATTER
BENZENES
BENZO(3-4)PYRENE
BENZOIC ACID
BENZOPYRENES
BERYLLIOSIS
BERYLLIUM
BERYLLIUM COMPOUNDS
BERYLLIUM OXIDES
BESSEMER CONVERTERS
BETA PARTICLES
BEVERAGE INDUSTRY
BIBLIOGRAPHIES
BIO-ASSAY
BIOCHEMISTRY
BIOCLIMATOLOGY
BIOLOGICAL AND MEDICINAL AEROSOLS
BIOLOGICAL CONSTITUENTS AND PARTS
BIOLOGICAL DECAY
BIOLOGICAL FACTORS
BIOLOGICAL PROCESSES AND FUNCTIONS
BIOMEDICAL TECHNIQUES AND MEASUREMENT
BIOPSY
BIRCH TREES
BIRDS
1-2
-------
DESCRIPTORS
BIRDS FOOT TREFOIL
BIRMINGHAM, ALABAMA
BIRMINGHAM, ENGLAND
BISMUTH
BISMUTH COMPOUNDS
BITUMINOUS COAL
BKS
BLACK LIQUOR *
BLACK LIQUOR OXIDATION
BLAST FURNACE AND BASIC STEEL PRODUCTS MILLS
BLAST FURNACES
BLAST FURNACES AND STEEL MILLS
BLENDING
BLINDNESS
BLOOD CELLS
BLOOD CHEMISTRY
BLOOD GAS ANALYSIS
BLOOD PRESSURE
BLOOD SERUM
BLOOD VESSELS
BLOWBY
BLUEBERRIES
BODIES OF WATER
BODY FLUIDS
BOILERS
BONES
BORATES
BORIDES
BORON COMPOUNDS
BOTANICAL SOURCES
BOUNDARY LAYER
BRAIN
BRAKE LINING ATTRITION
BRASS AND BRONZE SECONDARY SMELTING AND
REFINING
BRASS, BRONZE, AND COPPER FOUNDRIES
BREATHING
BREATHING APPARATUS
BREATHING EXERCISES
BRICK AND STRUCTURAL CLAY TILE WORKS
BRICKS
BRIDAL WREATH
BROCCOLI
BROMATES
BROMIDES
BROMINATED HYDROCARBONS
BROMINE
BROMINE COMPOUNDS
BRONCHI
BRONCHIAL *
BRONCHIAL CANCER
BRONCHITIS
BRONCHOCONSTRICTION
BRONCHODILATORS
BRONCHOPNEUMONIA
BROWNIAN MOTION
BUBBLE CAP TOWERS
BUBBLE TOWERS *
BUCKWHEAT
BUDGETING
BUILD-UP RATES
BUILDING CONSTRUCTION
BUILDING PAPER AND BOARD MILLS
BUILDINGS
BULGARIA
BULGARIAN
BURNING
'SUPERSEDED TERM
BUSES
BUTADIENES
BUTANES
BUTENES
BUTYNES
BUTYRALDEHYDES
BY-PRODUCT RECOVERY
BYELORUSSIAN
BYSSINOSIS
CABBAGE
CADMIUM
CADMIUM COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM SULFATES
CALIBRATION METHODS
CALIFORNIA
CAMERAS
CANADA
CANCER
CANNING
CANTALOUPES
CAPITAL
CARBAZOLES
CARBIDES
CARBOHYDRATES
CARBON
CARBON BLACK
CARBON BLACK PRODUCTION
CARBON DIOXIDE
CARBON DISULFIDE
CARBON MONOXIDE
CARBON TETRACHLORIDE
CARBONATES
CARBONATION
CARBONYLS
CARBOXYHEMOGLOBIN
CARBURETION
CARBURETOR EVAPORATION LOSSES
CARCINOGENS
CARDIOVASCULAR DISEASES
CARNATION
CARPETS
CARROTS
CASCADE IMPACTORS
CASTOR BEAN
CAT-OX PROCESS
CATALYSIS
CATALYSTS
CATALYTIC ACTIVITY
CATALYTIC AFTERBURNERS
CATALYTIC OXIDATION
CATS
CATTLE
CAULIFLOWERS
GBR WARFARE APPLICATIONS
CEDAR TREES
CELERY
CELL GROWTH
CELL METABOLISM
CELL WALLS
CELLS *
CELLS (BIOLOGY)
CELLULOSE
CEMENT PLANTS (HYDRAULIC)
CEMENTS
CENTRAL AMERICA
CENTRIFUGAL SEPARATORS
1-3
-------
DESCRIPTORS
CENTRIFUGAL SEPARATORS (NEC)
CENTRIFUGATION
CENTRIFUGED SEPARATION
CERAMIC AND METAL-CERAMIC FILTERS
CERAMICS
CERIUM COMPOUNDS
CESIUM COMPOUNDS
CHAMBER *
CHAMBER PROCESS
CHARCOAL
CHARD
CHEMICAL *
CHEMICAL AND PHYSICAL PHENOMENA
CHEMICAL AND PHYSICAL PROPERTIES
CHEMICAL BONDS
CHEMICAL COMPOSITION
CHEMICAL CONDENSATION
CHEMICAL METHODS
CHEMICAL PROCESSES
CHEMICAL PROCESSING *
CHEMICAL REACTIONS
CHEMICAL RECOVERY COKE OVENS
CHEMICALS AND ALLIED MANUFACTURING
CHEMILUMINESCENCE
CHEMILUMINESCENCE METHODS
CHEMISTS
CHERRIES
CHIBA PREFECTURE
CHICAGO
CHINA
CHINESE
CHLORATES
CHLORIDES
CHLORINATED HYDROCARBONS
CHLORINE
CHLORINE COMPOUNDS
CHLOROFORM
CHLOROPLASTS
CHLOROSIS
CHROMATES
CHROMATOGRAPHY
CHROMIUM
CHROMIUM COMPOUNDS
CHROMIUM OXIDES
CHROMOSOMES
CHRONIC
CHRYSANTHEMUM
CHRYSENES
CILIA
CINCINNATI
CINDERS
CIRCULATORY SYSTEM
CITIZENS GROUPS
CITRUS
CITY *
CITY GOVERNMENTS
CIVIL AIRCRAFT
CLAY
CLEAN AIR ACT
CLEANING
CLIMATE
CLOUD SEEDING
CLOUDS
CLOVER
COAL
COAL CLEANING PLANTS
COAL CONVERSION
'SUPERSEDED TERM
COAL PREPARATION
COALESCING
COATING, ENGRAVING AND ALLIED SERVICES
COBALT COMPOUNDS
CODES
CODES OF PRACTICE
COEFFICIENT OF HAZE
COFFEE (FRUIT)
COFFEE ROASTING
COKE
COKE OVENS
COKE QUENCHING
COLEUS
COLLECTION
COLLECTORS *
COLLECTORS (MECHANICAL)
COLLEGE STUDENTS
COLLOIDS
COLOR
COLORADO
COLORIMETRY
COLUMN CHROMATOGRAPHY
COMBUSTIBLES AND VOLATILES
COMBUSTION
COMBUSTION AIR
COMBUSTION CHAMBERS
COMBUSTION GASES
COMBUSTION PRODUCTS
COMINCO SULFUR PROCESS
COMMERCIAL *
COMMERCIAL AIRCRAFT
COMMERCIAL AREAS
COMMERCIAL EQUIPMENT
COMMERCIAL FIRMS
COMMON COLD
COMPILATIONS
COMPLAINTS
.COMPLEX SOURCES
COMPLIANCE *
COMPLIANCE (RESPIRATORY)
COMPLIANCE SCHEDULES
COMPOSTING
COMPRESSED GASES
COMPRESSION
COMPUTER PROGRAMS
COMPUTER TERMINALS
COMPUTERS
CONCRETE
CONDENSATION
CONDENSATION (ATMOSPHERIC)
CONDENSATION NUCLEI
CONDENSATION SEPARATION
CONDENSATION TRAILS
CONDUCTIMETRIC METHODS
CONIFERS
CONING
CONNECTICUT
CONSTRUCTION INDUSTRY
CONSTRUCTION MATERIALS
CONSTRUCTION OTHER THAN BUILDING
CONSTRUCTION
CONSTRUCTION-SPECIAL TRADES
CONSULTANTS
CONTACT *
CONTACT PROCESS
CONTACT PROCESSING *
CONTINUOUS
1-4
-------
DESCRIPTORS
CONTINUOUS AIR MONITORING PROGRAM (CAMP)
CONTINUOUS MONITORING
CONTRACT
CONTRACTING
CONTROL AGENCIES
CONTROL EQUIPMENT *
CONTROL EQUIPMENT-GAS STREAMS
CONTROL EQUIPMENT-GAS STREAMS (NEC)
CONTROL METHODS
CONTROL METHODS (CATEGORICAL)
CONTROL METHODS (FUEL TREATMENT AND FUEL
CONVERSION)
CONTROL METHODS (GENERAL STATIONARY SOURCE)
CONTROL METHODS (MOBILE SOURCE)
CONTROL METHODS (SPECIFIC STATIONARY SOURCE)
CONTROL METHODS (CATEGORY) *
CONTROL METHODS-OBJECTS
CONTROL METHODS-ROOMS
CONTROL METHODS-ROOMS AND OBJECTS
CONTROL PROGRAMS
CONTROLLED AIR INCINERATORS
CONTROLLED ATMOSPHERES
CONVECTION
CONVECTION (ATMOSPHERIC)
COOKING (RETAIL)
COOLING
COOLING TOWERS
COPPER
COPPER ALLOYS
COPPER COMPOUNDS
COPPER PRIMARY SMELTING AND REFINING
CORE OVENS
CORN
CORONA
CORROSION
COSMIC AND METEORITIC SOURCES
COSMIC RAYS
COST ANALYSIS
COSTS
COTTON
COTTON GINNING
COTTONS
COUGH
COULOMETRIC METHODS
COUNTER CURRENTS
COUNTY GOVERNMENTS
COWPEA
CRACKING
CRANBERRIES
CRANKCASE EMISSIONS
CRANKCASE LUBRICATION FUMES
CRANKCASE VENTILATION AIR
CREMATORIES
CRITERIA
CROP SERVICES
CROP SPRAYING
CROPS
CRUDE OIL
CRYSTAL METHODS
CRYSTAL STRUCTURE
CRYSTALLIZATION
CUCUMBERS
CULTURE MEDIA
CUMULATIVE MEASUREMENT METHODS
CUPOLAS
CYANATES
CYANIDES
"SUPERSEDED TERM
CYCLIC ALKANES
CYCLIC CRUDES AND INTERMEDIATE PRODUCTION
CYCLONE FURNACES
CYCLONES *
CYCLONES (ATMOSPHERIC)
CYCLONES (CONTROL)
CZECH
CZECHOSLOVAKIA
CZECHOSLOVAKIAN
DAIRY PRODUCTS INDUSTRY
DANISH
DATA ANALYSIS
DATA HANDLING SYSTEMS
DATA RETRIEVAL
DECIDUOUS TREES
DECISIONS
DECOMPOSITION
DEER
DEFOLIANTS
DEGREASING
DEGREE-DAYS
DEHUMIDIFICATION
DEHYDRATION
DELAWARE
DENMARK
DENSE MEDIUM SEPARATION
DENSITY
DEOXYRIBONUCLEIC ACIDS
DEPOSITION
DEPOSITION (RESPIRATORY)
DEPOSITION PHENOMENA
DESIGN CRITERIA
DESIGN STANDARDS
DETERGENT MANUFACTURING
DETROIT
DIAGNOSIS
DIESEL *
DIESEL ENGINES
DIESEL FUELS
DIFFRACTION
DIFFUSION *
DIFFUSION (ATMOSPHERIC)
DIFFUSION MODELS
DIFFUSION PHENOMENA
DIGESTERS
DIGESTION
DIGESTIVE SYSTEM
DIGITAL METHODS
DILUTION
DIMETHYL DISULFIDE
DIOLEFINS
DIPHENYLS
DIPOLE MOMENT
DIRECTORIES
DIRT AIR STRIPS
DIRT ROADS
DISCOLORATION
DISEASES AND DISORDERS
DISINTEGRATION
DISPERSION
DISPERSIONS
DISPLACEMENT
DISSIPATION RATES
DISSOCIATION
DISTILLATE *
DISTILLATE OILS
DISTILLATION
11-5
-------
DESCRIPTORS
DIURNAL
DOGS
DOMESTIC ANIMALS
DOMESTIC HEATING
DONORA
DOUBLE CONTACT PROCESS
DOUBLE CONTACT PROCESS (CONTROL)
DROPLETS
DRUGS
DRY CLEANING PLANTS (EXCEPT RUG)
DRY CLEANING SOLVENTS
DRYING
DUCKS
DUMPS
DUST FALL
DUST FALL BUCKETS
DUSTS
DWARFING
DYE MANUFACTURING
DYES *
DYNAMOMETERS
EASTERN EUROPE
ECONOMIC ASPECTS
ECONOMIC LOSSES
ECONOMICS
EDUCATION
EFFECTS (HUMAN HEALTH) .
EFFECTS (ON MATERIALS)
EFFECTS (ON PLANTS AND LIVESTOCK)
EFFECTS (OTHER THAN HUMAN HEALTH)
EFFECTS-HUM HLTH '
EFFECTS-MATERIALS *
EFFECTS-PLANTS, LIVEST *
EFFICIENCY
EGYPT
ELECTRIC *
ELECTRIC BATTERIES
ELECTRIC CHARGE
ELECTRIC FURNACES
ELECTRIC POWER GENERATION
ELECTRIC POWER PRODUCTION *
ELECTRIC POWER SOURCES
ELECTRIC, GAS, AND SANITARY SERVICES
ELECTRICAL AND ELECTRONIC EQUIPMENT PLANTS
ELECTRICAL DISCHARGES
ELECTRICAL EXCITATION
ELECTRICAL INSULATORS
ELECTRICAL MEASUREMENT DEVICES
ELECTRICAL PROPERTIES
ELECTRICAL RESISTANCE
ELECTRICITY (ATMOSPHERIC)
ELECTROCHEMICAL METHODS
ELECTROLYSIS
ELECTROMAGNETIC ABSORPTION
ELECTROMETALLURGICAL PRODUCTS MILLS
ELECTRON MICROSCOPY
ELECTRONOGRAPHY
ELECTROSTATIC *
ELECTROSTATIC ATOMIZATION
ELECTROSTATIC CLASSIFIERS
ELECTROSTATIC COUNTERS
ELECTROSTATIC METHODS
ELECTROSTATIC PRECIPITATORS
ELECTROSTATIC SEPARATION (COAL)
ELECTROSTATIC SEPARATION (PARTICLE)
ELM TREES
ELUTRIATION
'SUPERSEDED TERM
ELUTRIATION (COAL)
ELUTRIATION PHENOMENA
EMERGENCIES
EMISSION *
EMISSION FACTORS
EMISSION INVENTORIES
EMISSION SOURCES
EMISSION SOURCES (FUEL COMPOSITION)
EMISSION SOURCES (MOBILE)
EMISSION SOURCES (STATIONARY)
EMISSION SPECTROMETRY
EMISSION STANDARDS
EMISSIVITY
EMPHYSEMA
EMULSIONS
ENAMELS
ENCAPSULATION
ENDIVES
ENFORCEMENT PROCEDURES
ENGINE DESIGN MODIFICATION
ENGINE EMISSIONS
ENGINE EXHAUSTS
ENGINE OPERATING CYCLES
ENGINE OPERATION MODIFICATION
ENGINEERS
ENGINES
ENGLISH
ENTHALPY
ENTROPY
ENZYMES
EPIDEMIOLOGY
EPITHELIUM
EQUIPMENT CRITERIA
EQUIPMENT STANDARDS
ERYTHEMA
ERYTHROCYTES
ESOPHAGUS
ESPERANTO
ESTERS
ESTONIAN
ETHERS
ETHNIC FACTORS
ETHYL ALCOHOL
ETHYLENE
EUROPE
EVAPORATION
EVAPORATORS
EXCESS AIR
EXCRETIONS
EXERCISE
EXHAUST SYSTEMS
EXPERIMENTAL EQUIPMENT
EXPERIMENTAL METHODS
EXPLOSIONS
EXPLOSIVES PRODUCTION
EXPOSURE CHAMBERS
EXPOSURE METHODS
EXTERNAL COMBUSTION ENGINES
EYE IRRITATION
EYES
FABRIC FILTERS
FADING
FALLOUT
FANNING
FANS (BLOWERS)
FARMERS LUNG
FARMS
111-6
-------
DESCRIPTORS
FAROESE
FAT AND OIL PRODUCTION
FEASIBILITY STUDIES
FECES
FEDERAL
FEED PROCESSING
FEEDLOTS
FEES
FELL GRT
FEMALES
FERMENTATION
FERNS
FERROALLOY PRODUCTION-BF
FERROALLOY PRODUCTION-E
FERROALLOYS
FERROCHROMIUM PRODUCTION
FERROMANGANESE PRODUCTION-E
FERROMOLYBDENUM PRODUCTION
FERROPHOSPHORUS PRODUCTION
FERROSILICON PRODUCTION-E
FERROTITANIUM PRODUCTION
FERROTUNGSTEN PRODUCTION
FERROVANADIUM PRODUCTION
FERTILIZER APPLICATION
FIBER FILTERS
FIBER FILTRATION
FIBER GLASS PRODUCTION
FIBERGLASS REINFORCED PLASTICS
FIELD OPERATIONS
FIELD TESTS
FILTER FABRICS
FILTER PAPER
FILTERS
FINANCING
FINLAND
FINNISH
FIR TREES
FIRING METHODS
FISH
FISH AND SEAFOOD PREPARATION
FISH MEAL PRODUCTION
FISSION POWER
FIXED ROOF TANKS
FIXED THROAT VENTURI SCRUBBERS
FLAME *
FLAME AFTERBURNERS
FLAME IONIZATION (HC)
FLAME IONIZATION DETECTOR (CO)
FLAME PHOTOMETRY
FLAMES
FLARES
FLAX
FLEMISH
FLEXOMETERS
FLIES
FLOATING ROOF TANKS
FLORIDA
FLOUR PROCESSING
FLOW RATES
FLOW VISUALIZATION
FLOWERS
FLOWMETERS
FLUID FLOW
FLUIDIZED BED PROCESSING
FLUIDIZED BED SCRUBBERS
FLUORANTHENES
FLUORENES
'SUPERSEDED TERM
FLUORESCENCE
FLUORIDES
FLUORINATED HYDROCARBONS
FLUORINE
FLUORINE COMPOUNDS
FLUOROSIS
FLY ASH
FLYWHEEL POWER
FOAM POLYMER FILTERS
FOAM SEPARATION
FOG
FOOD
FOOD AND KINDRED PRODUCTS INDUSTRY
FOODS *
FOREST FIRES
FORESTRY BURNING
FORESTS
FORMALDEHYDES
FORMIC ACID
FRACTIONATION
FRANCE
FREE ENERGY
FREE RADICALS
FREEZING
FRENCH
FRENCH AND FLEMISH *
FROTH FLOATATION
FRUITS
FUEL ADDITIVES
FUEL ASH CONTENT
FUEL CELLS
FUEL CHARACTERISTICS
FUEL CHARGING
FUEL CRITERIA
FUEL EVAPORATION
FUEL GASES
FUEL HEAT CONTENT
FUEL OIL DEALERS
FUEL OIL PREPARATION
FUEL OILS '
FUEL PREHEAT
FUEL RESOURCES
FUEL STANDARDS
FUEL SUBSTITUTION
FUEL SULFUR CONTENT
FUEL TANK EVAPORATION
FUEL TREATMENT
FUEL USAGE
FUELS
FUGITIVE DUST SOURCES
FUMES
FUMIGATION
FUNGAL EFFECTS
FUNGI
FURNACES
FURNITURE INDUSTRY
FUSION POWER
GAELIC
GAMMA RADIATION
GARAGES
GAS *
GAS CENTRIFUGATION
GAS CHROMATOGRAPHY
GAS PHASE MECHANICS
GAS PRODUCTION AND DISTRIBUTION
GAS SAMPLING
GAS TURBINE ENGINES
11-7
-------
DESCRIPTORS
GAS-SOLID EQUILIBRIA
GASES
GASIFICATION
GASOLINE SERVICE STATIONS
GASOLINES
GE LIQUID MEMBRANE PROCESS
GEESE
GENERAL *
GENERAL AND MISCELLANEOUS
GENETICS
GEORGIA
GEORGIAN
GEOTHERMAL POWER
GERANIUM
GERMAN
GERMAN DEMOCRATIC REPUBLIC
GERMANY *
GERMANY, FEDERAL REPUBLIC
GLADIOLUS
GLANDS
GLASS
GLASS FABRICS
GLASS MANUFACTURING AND PROCESSING
GLOSSARIES
GLUCOSES
GLUE MANUFACTURING
GOATS
GOBPILE BURNING (COAL REFUSE)
GOLD
GOLDENROD
GOVERNMENT FACILITIES
GOVERNMENTAL PARTICIPATION
GOVERNMENTAL PARTICIPATION (AIR POLLUTION
PROGRAMS)
GOVERNMENTAL PARTICIPATION (LEGAL, LAWS AND
LITIGATION)
GOVERNMENTS
GRAIN PROCESSING
GRANTS
GRAPEFRUITS
GRAPES
GRAPHITE
GRASSES
GRAVIMETRIC METHODS
GRAVITATION
GRAVITY COLLECTORS
GRAVITY SETTLING (CONTROL)
GRAY IRON FOUNDRIES
GREAT BRITAIN
GREECE
GREEK
GREENBELTS
GREENHOUSE EFFECTS
GREENHOUSES
GREENLAND
GRILLO PROCESS
GROUND LEVEL
GROWTH
GROWTH RATE
GROWTH REGULATORS
GUINEA PIGS
GUJARATI
GUN-TYPE OIL BURNERS
GYPSUM
HAIL
HAIR
HALOGEN GASES
"SUPERSEDED TERM
HALOGENATED HYDROCARBONS
HAMSTERS
HANDBOOKS AND MANUALS
HARBORS
HAWAII
HAYFEVER
HAZARDOUS AIR POLLUTANT STANDARDS
HAZE
HEADACHE
HEALTH IMPAIRMENT
HEALTH STATISTICS
HEALTH SURVEYS
HEARINGS
HEART
HEAT CAPACITY
HEAT ISLANDS
HEAT OF COMBUSTION
HEAT TRANSFER
HEAVY-DUTY VEHICLES
HEBREW
HEIGHT FINDING
HEMATOLOGY
HEMOGLOBIN
HEPA FILTERS
HEPTANES
HEPTENES
HERBICIDES
HERBS
HEXACHLOROBENZENE
HEXANES
HEXENES
HI-VOL SAMPLERS
HIGHWAYS
HINDI
HISTAMINES
HISTOLOGY
HISTORICAL ASPECTS
HOGS
HOLOGRAPHIC METHODS
HORMONES
HORSES
HOT SOAK
HOTELS AND OTHER LODGING PLACES
HOURLY
HOUSE HEARINGS
HOUSTON
HUMANS
HUMIDIFICATION
HUMIDITY
HUNGARIAN
HUNGARY
HYACINTH
HYBRID POWER
HYDRAZINE *
HYDRAZINES
HYDRAZONES
HYDRIDES
HYDROCARBON CONTROL
HYDROCARBONS
HYDROCHLORIC *
HYDROCHLORIC ACID
HYDROCHLORIC ACID PLANTS
HYDROCYANIC ACID
HYDRODESULFURIZATION
HYDROELECTRIC POWER
HYDROFLUORIC ACID
HYDROGEN
111-8
-------
DESCRIPTORS
HYDROGEN SULFIDE
HYDROGENATION
HYDROLYSIS
HYDROSPHERE
HYDROXIDES
HYGROMETERS
HYGROSCOPICITY
HYPERSENSITIVITY
HYPERVENTILATION
HYPOXIA
ICE
ICELAND
ICELANDIC
IDAHO
ILLINOIS
IMMUNOLOGY
IMPACT STATEMENTS
IMPACTION
IMPINGEMENT
IMPINGEMENT PLATE TOWERS
IMPLEMENTATION PLANS
IN SITU
INCENTIVES
INCINERATION *
INCINERATORS *
INCINERATORS (REFUSE)
INCINERATORS (WASTE GASES)
INDIA
INDIANA
INDONESIAN
INDOOR
INDUSTRIAL *
INDUSTRIAL AREAS
INDUSTRIAL EMISSION SOURCES
INDUSTRIAL INORGANIC CHEMICAL PLANTS
INDUSTRIAL-COMMERCIAL (NCINERATORS
INERTIAL SEPARATION
INERTIAL SEPARATION (CONTROL)
INERTIAL SEPARATION (MEASUREMENT)
INFANCY
INFECTIOUS DISEASES
INFLUENZA
INFORMATION RETRIEVAL
INFRARED *
INFRARED RADIATION
INFRARED SPECTROMETRY
INGESTION
INHALATION
INHALATION THERAPY
INHIBITION
INHOUSE
INK
INORGANIC *
INORGANIC ACIDS
INORGANIC FRACTION
INORGANIC LIQUID SORPTION
INORGANIC SOLID SORPTION
INSECTS
INSPECTION
INSPECTORS
INSTRUCTORS
INSTRUMENTATION
INTEGUMENTARY SYSTEM
INTERLINGUA
INTERMITTENT *
INTERMITTENT (MODIFIER)
INTERMITTENT MONITORING
•SUPERSEDED TERM
INTERMOLECULAR FORCES
INTERNAL COMBUSTION ENGINES
INTERNATIONAL
INTERNATIONAL AGENCIES
INTESTINES
INVERSION
INVERTEBRATES
IODIDES
IODIMETRIC METHODS
IODINATED HYDROCARBONS
IODINE
IODINE COMPOUNDS
ION EXCHANGING
IONIZATION
IONIZATION CHAMBERS
IONS
IOWA
IRELAND
IRIS
IRON
IRON AND STEEL FOUNDRIES
IRON COMPOUNDS
IRON OXIDES
IRRADIATION CHAMBERS
IRREGULAR PARTICLES
ISOBUTANES
ISOPENTANES
ISOTOPES
ISRAEL
ITALIAN
ITALY
IVY
JAPAN
JAPANESE
JAPANSES *
JET *
JET AIRCRAFT
JIGS
JOB ANALYSIS
JOHNSTONS ZINC OXIDE PROCESS
KALANCHOE
KANAGAWA PREFECTURE
KANSAS
KAOLIN
KAZAKH
KENTUCKY
KEROSENE
KETONES
KIDNEYS
KILNS
KINEMATICS
KIRGIZ
KONIMETERS
KOREAN
KRAFT (SULFATE) PULPING
KRAFT PULPING *
LABORATORY ANIMALS
LABORATORY FACILITIES
LACHRYMATION
LACQUERS
LAKES
LAND AREA
LAND USE *
LAND USE PLANNING
LANDFILLS
LANDSCAPE ARCHITECTURE
LAPSE CONDITION
11-9
-------
LARYNGITIS
LARYNX
LASERS
LATIN
LATIN AMERICA
LATVIAN
LAUNDERING
LAUNDRIES
LAUREL
LEAD
LEAD ALLOYS
LEAD CHLORIDE
LEAD COMPOUNDS
LEAD PRIMARY SMELTING AND REFINING
LEAD SECONDARY SMELTING AND REFINING
LEAD TIME
LEADED GASOLINES
LEATHER
LEATHER AND LEATHER PRODUCTS INDUSTRY
LEAVES
LEGAL *
LEGAL AND ADMIN *
LEGAL ASPECTS
LEGISLATION
LENTILS
LETTUCE
LEUKEMIA
LEUKOCYTES
LICHENS
LIDAR
LIFE SPAN
LIGHT EXTINCTION
LIGHT POLARIZATION
LIGHT RADIATION
LIGHT REFRACTION
LIGHT SCATTERING
LIGHT TRANSMISSION.
LIGHT-DUTY VEHICLES
LIGNITE
LILAC
LILY
LIME *
LIME KILNS
LIME PLANTS
LIME/LIMESTONE PROCESSES
LIMESTONE
LIMITED ACCESS ROADS
LINE SOURCES
LIPIDS
LIQUEFIED PETROLEUM GAS (LPG)
LIQUEFIED PETROLEUM GAS DEALERS
LIQUID ATOMIZATION
LIQUID INCINERATORS
LIQUIDS
LITHIUM CHLORIDE
LITHIUM COMPOUNDS
LITHUANIAN
LITIGATION
LIVER
LOCAL GOVERNMENTS
LOFTING
LONDON
LOOPING
LOQUATS
LOS ANGELES
LOUISIANA
LOUVER SEPARATORS
•SUPERSEDED TERM
DESCRIPTORS
LOW TEMPERATURE ASHING
LOWER ATMOSPHERE
LUBRICANTS
LUMBER AND WOOD PRODUCTS INDUSTRY
LUMINESCENCE
LUNG *
LUNG CANCER
LUNG CLEARANCE
LUNGS
LUPINE
LURGI SULFACID PROCESS
LYMPHOCYTES
M/S-CONTRACT
M/S-FEDERAL
M/S-FELL CRT
M/S-INHOUSE
M/S-NONE
M/S-PROG GRT
M/S-RES GRT
MACEDONIAN
MACHINERY (EXCEPT ELECTRICAL) MANUFACTURING
MACRO-OPTICAL METHODS
MACROPHAGES
MAGNESIUM
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDE PROCESS
MAGNETIC PROPERTIES
MAGNETIC SEPARATION
MAGNETOHYDRODYNAMICS (MHD)
MAINE
MAINTENANCE
MALAY
MALES
MALLEABLE IRON FOUNDRIES
MANAGEMENT PERSONNEL
MANGANESE
MANGANESE COMPOUNDS
MANGANESE DIOXIDE PROCESS
MANGANESE PRODUCTION
MANGANESE SULFATES
MANGOES
MANUAL
MANUFACTURING APPLICATIONS
MANUFACTURING INDUSTRIES
MAPLE TREES
MAPPING
MARKETING
MARYLAND
MASS *
MASS DETERMINATION
MASS SPECTROMETRY
MASS TRANSFER
MASS TRANSPORTATION
MASSACHUSETTS
MATERIAL BALANCE
MATERIALS
MATERIALS DETERIORATION
MATERIALS HANDLING
MATHEMATICAL ANALYSES
MATHEMATICAL ANALYSIS *
MATHEMATICAL MODELING
MAXIMUM ALLOWABLE CONCENTRATION
MBTH METHOD (ALDEHYDES)
MEASUREMENT METH *
MEASUREMENT METHODS
MEASUREMENT METHODS (AMBIENT AIR AND
EMISSIONS)
11-10
-------
DESCRIPTORS
MEASUREMENT METHODS (CATEGORICAL)
MEASUREMENT METHODS (OTHER THAN AMBIENT AIR
AND EMISSIONS)
MEAT PACKING PLANTS
MEAT PRODUCTS INDUSTRY
MECHANICAL ATOMIZATION
MECHANICAL PULPING
MEDICAL FACILITIES
MEDICAL PERSONNEL
MEETINGS
MELTING
MEMBRANE FILTRATION
MEMBRANES
MERCAPTANS
MERCURY
MERCURY COMPOUNDS
METABOLISM
METAL COMPOUNDS
METAL FABRICATING AND FINISHING *
METAL FABRICATION
METAL FABRICATION AND FINISHING *
METAL INDUSTRIES
METAL POISONING
METALS
METEOROLOGICAL INSTRUMENTS
METEOROLOGY
METHANES
METHYL MERCAPTANS
METHYL SULFIDE
METROPOLITAN AREAS
MEUSE VALLEY
MEXICO
MICE
MICHIGAN
MICROMETEOROLOGY
MICROORGANISMS
MICROSCOPY
MIDDLE ATMOSPHERE
MILITARY AIRCRAFT
MILK
MINERAL PROCESSING
MINERAL PRODUCTS
MINERAL WOOL
MINERALOGICAL ANALYSIS
MINING
MINNESOTA
MINT
MISSILE AND SPACECRAFT LAUNCH VEHICLES
MISSILES AND ROCKETS *
MISSISSIPPI
MISSOURI
MIST ELIMINATORS
MISTS
MITOCHONDRIA
MIXED CONDENSATION
MIXING
MIXING HEIGHT
MOBILE
MOBILE EMISSION SOURCES
MOBILITY
MOLDAVIAN
MOLECULAR EXCHANGE
MOLTEN CARBONATE PROCESS
MOLYBDENUM
MOLYBDENUM COMPOUNDS
MOLYBDENUM SILICON PRODUCTION-E
MONGOLIAN
•SUPERSEDED TERM
MONITORING
MONODISPERSE ATOMIZATION
MONODISPERSE CONDENSATION
MONTANA
MONTHLY
MORBIDITY
MORTALITY
MOSSES
MOTION PICTURES
MOTOR VEHICLE ASSEMBLY PLANTS
MOTOR VEHICLE SOURCES
MOTORCYCLES
MOTTLING
MOUNTAINS
MOUTH
MUFFLE FURNACES
MULBERRIES
MULES
MULTIPLE CHAMBER INCINERATORS
MULTIPLE-SOURCE STACKS
MUNICIPAL INCINERATORS
MUSCLES
MUTAGENESIS
NAILS (ANATOMY)
NAPHTHACENES
NAPHTHALENES
NAPHTHENES
NARCISSUS
NASHVILLE
NATIONAL AIR SAMPLING NETWORK (NASN)
NATIONAL GOVERNMENTS
NATURAL EMISSION SOURCES
NATURAL GAS
NATURAL GAS SWEETENING
NAUSEA
NEBRASKA
NECROSIS
NEEDLES
NEPHELOMETER
NERVOUS SYSTEM
NETHERLANDISH
NETHERLANDS
NETWORKS
NEUTRAL CONDITION
NEUTRON ACTIVATION *
NEUTRON ACTIVATION ANALYSIS
NEVADA
NEW HAMPSHIRE
NEW JERSEY
NEW MEXICO
NEW ORLEANS
NEW YORK CITY
NEW YORK STATE
NEW ZEALAND
NICKEL
NICKEL ALLOYS
NICKEL COMPOUNDS
NICOTINES
NITRATES
NITRATION
NITRIC *
NITRIC ACID
NITRIC ACID PLANTS
NITRIC ANHYDRIDE (N2O5)
NITRIC OXIDE (NO)
NITRILES
NITRITES
111-11
-------
DESCRIPTORS
NITROGEN
NITROGEN DIOXIDE (NO2)
NITROGEN ORGANIC COMPOUNDS
NITROGEN OXIDES
NITROGEN TRIOXIDE (NO3)
NITROGENOUS FERTILIZER PLANTS
NITROMETHANE
NITROSO
NITROTOLUENES
NITROUS ACID
NITROUS ANHYDRIDE (N203)
NITROUS ANHYDRIDE (N2O3)
NITROUS OXIDE (N2O)
NON-DISPERSIVE INFRARED SPECTROMETRY
NON-INDUSTRIAL EMISSION SOURCES *
NON-INDUSTRIAL EMISSION SOURCES (NEC)
NON-INDUSTRIAL EMISSION SOURCES (STATIONARY)
NON-METHANE HYDROCARBONS
NON-METROPOLITAN AREAS
NON-RESIDENTIAL OPERATIONS
NON-SMOKERS
NONE
NONFERROUS ADDITION ALLOY PRODUCTION
NONFERROUS FOUNDRIES
NONUNIFORM AEROSOL MOTION
NORTH AMERICA
NORTH CAROLINA
NORTH DAKOTA
NORWAY
NORWEGIAN
NOSE
NOX CONTROL
NUCLEAR *
NUCLEAR EXPLOSIONS
NUCLEAR POWER
NUCLEAR POWER PLANTS
NUCLEAR REACTIONS
NUCLEATION
NUCLEIC ACIDS
NUCLEOTIDES
NUTRIENTS
NYLON
OAK TREES
OATS
OCCUPATIONAL HEALTH
OCEANS
OCR PROCESSES
OCTANES
ODOR CONTROL
ODOR COUNTERACTION
ODOR MASKING
ODORIMETRY
ODOROUS POLLUTANTS
OFF-ROAD VEHICLES
OHIO
OIL BURNERS
OKLAHOMA
OLEFINS
OLFACTION
ONIONS
OPACITY METERS
OPEN BURNING
OPEN HEARTH FURNACES
OPEN PIT INCINERATORS
OPERATING *
OPERATING COSTS
OPERATING CRITERIA
'SUPERSEDED TERM
OPERATING SCHEDULES
OPERATING VARIABLES
OPINION SURVEYS
OPTICAL METHODS
OPTICAL PROPERTIES
ORANGES * •", '
ORCHARD HEATERS (FROST CONTROL)
ORCHARDS
ORCHID
OREGON
ORGANIC *
ORGANIC ACIDS
ORGANIC DISEASES
ORGANIC LIQUID SORPTION
ORGANIC MATTER REMOVAL
ORGANIC SOLID SORPTION
ORGANIC WASTES
ORGANOMETALLICS
ORIENTATION (DIRECTION)
ORIGINAL (FIELD)
ORIGINAL (LABORATORY)
ORIGINAL (THEORETICAL)
ORLON
ORNAMENTALS
ORSAT ANALYSIS
OSAKA
OUTPATIENT VISITS
OVERFEED METHODS
OVERFIRE AIR
OWENS JET DUST COUNTERS
OXIDANT PRECURSORS
OXIDANTS
OXIDATION
OXIDES
OXYGEN
OXYGEN CONSUMPTION
OXYGEN DIFFUSION
OXYGEN LANCING
OXYGEN MASKS
OXYGENATED FRACTIONS
OZONE
OZONESONDES
PACKED TOWERS
PAINT REMOVERS
PAINTS
PAINTS AND ALLIED PRODUCTION
PANJABI w
PAPER
PAPER AND ALLIED MANUFACTURING
PAPER CHROMATOGRAPHY
PAPER MILLS
PAPERBOARD MILLS
PARAMECIA
PARIS
PARKING FACILITIES
PARTICLE COUNTING
PARTICLE ENTRAPMENT
PARTICLE GROWTH
PARTICLE INVESTIGATION METHODS
PARTICLE SEPARATION
PARTICLE SHAPE
PARTICLE SIZE
PARTICLE SIZE CLASSIFICATION
PARTICLE SIZE DISTRIBUTION
PARTICLE SIZE, SHAPE, AND STRUCTURE
PARTICULATE PROPERTIES
PARTICULATE SAMPLING
,1-12
-------
DESCRIPTORS
PARTICULATES
PASSIVE SMOKING
PATENTS
PATHOLOGICAL INCINERATORS
PATHOLOGICAL TECHNIQUES
PAVING AND ROOFING MATERIALS PRODUCTION
PEACHES
PEANUTS
PEARS
PEAS
PEAT
PENELEC PROCESS
PENNSYLVANIA
PENTANES
PENTAPHENES
PENTENES
PEPPERS
PERCHLORIC ACID
PERFORMANCE STANDARDS
PERMEABILITY
PERMITS
PEROXIDES
PEROXYACETYL NITRATE
PEROXYACYL NITRATES
PEROXYBUTYL NITRATE
PEROXYPROPYL NITRATE
PERSIAN
PERSONNEL
PERSONNEL QUALIFICATIONS
PERYLENES
PEST CONTROL (BUILDINGS)
PESTICIDES
PETER SPENCE PROCESS (CLAUS)
PETROLEUM AND COAL PRODUCTS INDUSTRY
PETROLEUM DISTRIBUTION
PETROLEUM PRODUCTION
PETROLEUM REFINING
PETUNIA
PH
PHARYNX
PHASE TRANSFORMATION
PHENANTHRENES
PHENOLS
PHENYL COMPOUNDS
PHENYLS
PHILADELPHIA
PHORESIS AND RELATED PHENOMENA
PHOSPHATES
PHOSPHATIC FERTILIZER PLANTS
PHOSPHINE
PHOSPHORESCENCE
PHOSPHORIC *
PHOSPHORIC ACID
PHOSPHORIC ACID PLANTS
PHOSPHOROUS ORGANIC COMPOUNDS *
PHOSPHORUS COMPOUNDS
PHOSPHORUS ORGANIC COMPOUNDS
PHOSPHORUS PLANTS
PHOTOCHEMICAL REACTIONS
PHOTOELECTRIC PHENOMENA
PHOTOGRAPHIC METHODS
PHOTOIONIZATION
PHOTOLYSIS
PHOTOMETRIC *
PHOTOMETRIC METHODS
PHOTOMICROGRAPHY
PHOTOOXIDATION
'SUPERSEDED TERM
PHOTOSYNTHESIS
PHTHALIC ACID
PHYSICAL METHODS
PHYSICAL STATES
PHYSICAL THERAPY
PHYSIOLOGY
PHYTOTOXICANTS
PICENES
PIGMENT SYSTEMS
PIGMENTS
PILOT PLANTS
PINE TREES
PINEAPPLES
PINTO BEANS
PIPELINES
PITTSBURGH
PLAINS
PLANNING AND ZONING
PLANS AND PROGRAMS
PLANT DAMAGE
PLANT GROWTH *
PLANT GROWTH AND DEVELOPMENT
PLANT INDICATORS
PLANT PROTECTION
PLANT REPRODUCTION
PLANTS (BOTANY)
PLASTICS
PLASTICS MATERIALS AND RESINS PLANTS
PLASTICS MATERIALS AND SYNTHETIC PLANTS
PLASTICS PRODUCTION
PLATING AND POLISHING
PLATINUM
PLATINUM COMPOUNDS
PLETHYSMOGRAPHY
PLEURISY
PLUME BEHAVIOR
PLUME HEIGHT
PLUMS
PLUTONIUM COMPOUNDS
PNEUMOCONIOSIS
PNEUMONIA
POINSETTIA
POINT SOURCES
POL STORAGE
POLAND
POLAR REGIONS
POLAROGRAPHIC METHODS
POLISH
POLLEN COLLECTORS
POLLENS
POLLUTANT PRECURSORS
POLLUTANT SINKS
POLLUTANTS
POLLUTION DATA
POLLUTION DATA (AIR QUALITY MEASUREMENTS)
POLLUTION DATA (EMISSION INVENTORIES AND
COMPENDIA)
POLLUTION PRECURSORS *
POLYCHLORINATED BIPHENYLS
POLYMERIZATION
POLYNUCLEAR COMPOUNDS
PONDEROSA PINE TREES
POPULATION
POPULATION DENSITY
POROSITY
POROUS, GRANULAR, AND FRITTED FILTRATION
PORTABLE
11-13
-------
DESCRIPTORS
PORTUGAL
PORTUGESE *
PORTUGUESE
POTASSIUM CARBONATES
POTASSIUM COMPOUNDS
POTATOES *
POTATOES (IRISH)
POTATOES (SWEET)
POTENTIOMETRIC METHODS
POULTRY
POWDER (PARTICLES)
POWDER ATOMIZATION
POWDERY MILDEWS (ERYSIPHACEAE)
POWER AND HEATING APPLICATIONS
POWER CYCLES
POWER SOURCES
PREADOLESCENCE
PRECIPITATION
PREGNANCY
PREPRINT
PRESSURE
PRESSURE (ATMOSPHERIC)
PRIMARY SCHOOL STUDENTS
PRIMARY SMELTING AND REFINING OF NONFERROUS
METALS
PRIMATES (NON-HUMAN)
PRIMERS
PRINTING *
PRINTING AND PUBLISHING
PRIVET
PROCEEDINGS
PROCESS GAS
PROCESS MODIFICATION
PROG GRT
PROPANES
PROPELLER AIRCRAFT
PROPENES
PROPIONALDEHYDES
PROPORTIONAL MODELING
PROPOSALS
PROPYNES
PROTECTANTS
PROTECTIVE MASKS
PROTEINS
PROTOZOA
PSYCHOLOGICAL FACTORS
PUBLIC AFFAIRS
PUBLIC BUILDINGS
PUBLIC INFORMATION
PULMONARY EDEMA
PULMONARY FUNCTION
PULMONARY RESISTANCE
PULP MILLS
PULSE RATE
PULVERIZED FUELS
PUMPKINS
PYRENES
PYRIDINES
PYROLYSIS
QUALITY ASSURANCE
QUARTZ
QUENCHING
QUESTIONNAIRES
QUINOLINES
QUINONES
QUINOXALINE
RABBITS
•SUPERSEDED TERM
RADIATION COUNTERS
RADIATION MEASURING SYSTEMS
RADIO WAVES
RADIOACTIVE RADIATION
RADIOACTIVE TRACERS
RADIOGRAPHY
RADIOLOGICAL HEALTH
RADIOSONDES
RADISHES
RADON
RAGWEED POLLEN
RAILROAD VEHICLES
RAIN
RANKINE CYCLE ENGINES
RAPE
RAPPING
RASPBERRIES
RATS
REACTION KINETICS
REACTION MECHANISMS
REACTORS (NUCLEAR)
REAL PROPERTY OPERATIONS
RECIRCULATION
RECOMBINATION
RECORDING METHODS
RECREATION AREAS
REDUCTION
REDUCTION TO ELEMENTS
REDWOOD TREES
REFLECTANCE UNIT DENSITY
REFRACTIVE INDEX
REFRACTORIES
REFUSE SYSTEMS
REGIONAL GOVERNMENTS
REGULATIONS
REINLUFT PROCESS
REMOTE SENSING
RENDERING PLANTS, GREASE AND TALLOW
REPRESENTATIVE SAMPLING
REPRODUCTION *
REPRODUCTION (BIOLOGICAL)
RES GRT
RESEARCH INSTITUTES
RESEARCH METHODOLOGIES
RESEARCH PROGRAMS
RESIDENTIAL *
RESIDENTIAL AREAS
RESIDENTIAL BUILDINGS
RESIDENTIAL INCINERATORS
RESIDENTIAL OPERATIONS
RESIDENTIAL SOURCES
RESIDUAL OILS
RESILIENCE
RESPIRATION *
RESPIRATION (PLANTS)
RESPIRATORY DISEASES
RESPIRATORY FUNCTIONS
RESPIRATORY SYSTEM
RETAIL TRADE
RETENTION
RETROFIT PROGRAMS
REVIEWS (GENERAL)
REVIEWS (TECHNICAL)
RHODE ISLAND
RHODODENDRON
RIBONUCLEIC ACIDS
RICE
1-14
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DESCRIPTORS
RINGELMANN CHART
RIVERS
ROADS
ROCKET ENGINES
ROCKS
ROMANIA
ROMANIAN
ROOTS
ROSE
ROTARY COMBUSTION ENGINES
ROTARY ENGINES
ROTARY OIL BURNERS
ROTARY PISTON ENGINES
ROTATIONAL SEPARATORS
RUBBER
RUBBER AND MISCELLANEOUS PLASTICS PRODUCTION
RUBBER PRODUCTION
RUBBER TREES
RUBBERIZED FABRICS
RUMANIAN *
RUNNING EVAPORATIVE LOSSES
RURAL AREAS
RUSSIAN
RUSTS (UREDINALES)
RYE
SAFETY
SAFETY EQUIPMENT
SALARIES
SALTZMAN METHOD (NOX)
SAMPLERS
SAMPLING METHODS
SAMPLING PROBES
SAN FRANCISCO
SAND AND GRAVEL
SANITARIANS
SANITARY SERVICES
SAPPORO
SATELLITES (ARTIFICIAL)
SCALING
SCANDINAVIA
SCATTERING *
SCATTERING (ATMOSPHERIC)
SCOTCH PINE TREES
SCRAP YARDS
SCREEN FILTERS
SCRUBBERS
SEA BREEZE
SEA SALTS
SEALING COMPOUNDS
SEALS
SEASONAL
SECONDARY *
SECONDARY AIR
SECONDARY SCHOOL STUDENTS
SECONDARY SMELTING AND REFINING OF
NONFERROUS METALS
SEDIMENTATION *
SEDIMENTATION (CONTROL)
SEDIMENTATION CLASSIFIERS
SEDIMENTATION PHENOMENA
SEED GERMINATION
SEEDLINGS
SELENIUM COMPOUNDS
SEMI-CHEMICAL PULPING
SENATE HEARINGS
SERBO CROATIAN *
SERBO-CROATIAN
'SUPERSEDED TERM
SERVICE INDUSTRIES
SETTLING CHAMBERS
SETTLING PARTICLES
SEWAGE TREATMENT
SEWERAGE SYSTEMS
SEWERS
SHALE OIL
SHEEP
SHOPPING CENTERS
SHRUBS
SIEVE ANALYSIS
SIEVE PLATE TOWERS
SILICATES
SILICON COMPOUNDS
SILICON DIOXIDE
SILICOSIS
SILVER COMPOUNDS
SILVER IODIDE
SIMULATION
SINGLE CHAMBER INCINERATORS
SINTERING
SINUSES
SITE SELECTION
SKIN *
SKIN (ANATOMY)
SKIN CANCER
SKIN TESTS
SLAUGHTERING PLANTS
SLOVAK
SLOVENIAN
SLUDGE
SLUDGE INCINERATORS
SMOG
SMOG INDEX
SMOKE SHADE
SMOKEMETERS
SMOKERS
SMOKES
SMOKING
SNAPDRAGON
SNOW
SNOWBERRY
SO2 REMOVAL (COMBUSTION PRODUCTS) *
SOAP AND DETERGENT PLANTS
SOAP MANUFACTURING
SOCIAL ASPECTS *
SOCIAL ASPECTS AND PUBLIC INVOLVEMENT
SOCIAL ATTITUDES
SOCIO-ECONOMIC FACTORS
SODIUM CARBONATE
SODIUM CHLORIDE
SODIUM COMPOUNDS
SODIUM HYDROXIDE
SODIUM HYPOCHLORITE
SODIUM PROCESSES
SODIUM SULFATE
SODIUM SULFITE
SOILING
SOILING INDEX
SOILS
SOLAR *
SOLAR POWER
SOLAR RADIATION
SOLID STATE METHODS
SOLID WASTE FUELS
SOLIDS
SOLUBILITY
1-15
-------
SOLUBLE/VOLATILE FILTRATION
SOLVENT EXTRACTION
SOLVENT REFINING
SOLVENTS
SONIC AGGLOMERATORS
SOOT
SOOT FALL
SORGHUM
SOUND
SOURCE MONITORING
SOURCES
SOUTH AFRICA
SOUTH AMERICA
SOUTH CAROLINA
SOUTH DAKOTA
SOUTH PACIFIC
SOX CONTROL
SOYBEANS
SPACE HEATING
SPACECRAFT ATMOSPHERES
SPAIN
SPANISH
SPARK IGNITION ENGINES
SPARK TIMING
SPECIFIC ION ELECTRODE
SPECTROMETRY
SPECTROPHOTOMETRY
SPERMATOZOA
SPHERICAL PARTICLES
SPINACH
SPORES
SPORTS COMPLEXES
SPOT TESTS
SPRAY COATING
SPRAY TOWERS
SPRAYS
SPREADER STOKERS
SPRUCE TREES
SPUTUM
SQUASH
ST LOUIS
STABILITY (ATMOSPHERIC)
STACK DIAMETER
STACK GASES
STACK HEIGHT
STACK MONITORING
STACKS
STAGNATION
STAINLESS STEEL
STANDARD GASES
STANDARDS
STANDARDS AND CRITERIA
STATE *
STATE GOVERNMENTS
STATIONARY EMISSION SOURCES
STATISTICAL ANALYSES
STDS AND CRIT *
STEAM
STEAM ELECTRIC POWER GENERATION
STEAM ENGINES
STEEL
STEEL INVESTMENT FOUNDRIES
STEEL PRODUCTION-E
STERILITY
STERILIZATION PHENOMENA
STILBENE
STIPPLING
•SUPERSEDED TERM
DESCRIPTORS
STIRLING CYCLE ENGINES
STOKERS
STOMACH
STOMATA
STONE
STONE AND WEBSTER PROCESS
STONE, CLAY, GLASS, AND CONCRETE PRODUCTION
STORAGE FACILITIES (BULK LIQUID)
STRATIFIED CHARGE ENGINES
STRAWBERRIES
STREETS
STRONTIUM COMPOUNDS
STRUCTURE FIRES
STRUCTURES
STUDENTS
STYRENES
SUBLIMATION
SUBSURFACE STRUCTURES
SUBURBAN AREAS
SUBWAYS
SUGAR AND CONFECTIONARY PRODUCTS INDUSTRY
SUGAR CANE
SULFATES
SULFATION-OF-LEAD METHODS
SULFHYDRYL COMPOUNDS
SULFIDES
SULFIDINE PROCESS
SULFITE PULPING
SULFITES
SULFONIC ACID
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR ORGANIC COMPOUNDS
SULFUR OXIDES
SULFUR PRODUCTION
SULFUR TRIOXIDE
SULFURIC *
SULFURIC ACID
SULFURIC ACID PLANTS
SUNFLOWER
SUPERCOOLING
SUPERPHOSPHATE PLANTS
SUPERSATURATION
SUPERSONIC AIRCRAFT
SURFACE COATING OPERATIONS
SURFACE COATINGS
SURFACE FINISHING AND COATING AEROSOLS
SURFACE PROPERTIES
SURFACE TENSION
SURFACTANTS
SURGERY
SURVEY METHODS
SUSPENDED PARTICULATES
SWEDEN
SWEDISH
SWEET PEA
SWITZERLAND
SYNERGISM
SYNTHESIS GAS CLEANING
SYNTHETIC *
SYNTHETIC FIBERS
SYNTHETIC NATURAL GAS (SNG)
SYNTHETIC RUBBER
SYNTHETIC RUBBER PLANTS
TABLES AND CLASSIFIERS
TADZHIK
TAGALOG
1-16
-------
DESCRIPTORS
TALL STACK ISSUE
TAPE SAMPLERS (NEC)
TAPE SAMPLERS (REFLECTANCE)
TAPE SAMPLERS (TRANSMITTANCE)
TAR (MATERIAL)
TARS (POLLUTANTS)
TAXATION
TEA
TECHNICAL SOCIETIES
TECHNOLOGICAL APPLICATIONS
TEEPEE BURNERS
TEETH
TEFLON
TELLER PROCESS
TELLURIUM COMPOUNDS
TEMPERATURE
TEMPERATURE (ATMOSPHERIC)
TEMPERATURE GRADIENT
TEMPERATURE SENSING INSTRUMENTS
TENNESSEE
TENSILE STRENGTH
TERMINOLOGY
TEST ENGINES
TESTING FACILITIES
TETRAETHYL LEAD
TETRAMETHYL LEAD
TETRAPHENYLS
TEXAS
TEXTILE MILLS
TEXTILES
THAI
THEORETICAL AEROSOL MOTION
THERMAL CONDUCTIVITY
THERMAL PRECIPITATION
THERMAL RADIATION
THERMISTORS
THERMOCOUPLES
THERMODYNAMIC PROPERTIES
THERMODYNAMICS
THERMOMETERS
THESIS
THIN-LAYER CHROMATOGRAPHY
THIOPHENE
THRESHOLDS
THROAT IRRITATION
THROUGHPUT
THUNDERSTORMS
TIDAL POWER
TIMED FUEL INJECTION
TIN
TIN COMPOUNDS
TIP BURN
TIRE ATTRITION
TIRES
TISSUE CULTURES
TISSUES
TITANIUM
TITANIUM COMPOUNDS
TITRIMETRIC METHODS
TNT PRODUCTION
TOBACCO
TOBACCO MANUFACTURES
TOBACCO SMOKE
TOKYO
TOLUENES
TOMATOES
TOPOGRAPHIC INTERACTIONS
'SUPERSEDED TERM
TOPOGRAPHIC LOCATIONS
TOTAL HYDROCARBONS
TOXIC TOLERANCES
TOXICITY
TRACE ANALYSIS
TRACERS
TRACHEA
TRACHEAL CANCER
TRADE ASSOCIATIONS
TRANS-2-BUTENE
TRANSLATED
TRANSMISSOMETERS
TRANSPIRATION
TRANSPORT
TRANSPORTATION *
TRANSPORTATION CONTROL PLANS
TRANSPORTATION EQUIPMENT MANUFACTURING
TRANSPORTATION METHODS
TRANSPORTATION PLANNING
TRAPPING
TRAPPING (SAMPLING)
TRAVELING GRATES
TRAY TOWERS
TREATED FABRICS
TREATMENT AND AIDS
TREES
TRENDS
TRIMETHYLBEN2ENE
TRIPHENYLENES
TRIPHENYLS
TRUCKS
TUBERCULOSIS
TULIP
TUMORS
TUNED LASER SPECTROMETRY
TUNNELS
TURBIDIMETRY
TURBOFAN ENGINES
TURBOJET ENGINES
TURBULENCE (ATMOSPHERIC)
TURBULENCE (GENERAL)
TURBULENT AEROSOL MOTION
TURKEY
TURKISH
TURKMEN
TURNIPS
TWO-STROKE CYCLE ENGINES
TYNDALLOMETER
UKRAINIAN
UKRANIAN *
ULTRASONICS
ULTRAVIOLET *
ULTRAVIOLET RADIATION
ULTRAVIOLET SPECTROMETRY
UNDERFEED METHODS
UNDERFIRE AIR
UNIDIRECTIONAL AEROSOL MOTION
UNITED KINGDOM
UNITED STATES
UNIVERSITIES
UNLEADED GASOLINES
UPPER ATMOSPHERE
URANIUM COMPOUNDS
URBAN AREAS
URDU
URINE
USSR
1-17
-------
DESCRIPTORS
UTAH
UZBEK
VALLEYS
VANADIUM
VANADIUM COMPOUNDS
VAPOR PRESSURE
VAPOR RECOVERY SYSTEMS
VAPORS
VARIABLE THROAT VENTURI SCRUBBERS
VARIANCES
VARNISHES AND SHELLAC
VEGETABLES
VEHICULAR TRAFFIC
VELOCITY
VENTILATION
VENTILATION (PULMONARY)
VENTURI *
VENTURI SCRUBBERS
VERMONT
VESSELS (MARINE)
VETERINARY MEDICINE
VIBRATION
VIETNAMESE
VIOLET
VIRGINIA
VIRUSES
VISCOSITY
VISCOUS FILTERS
VISIBILITY
VISIBLE RADIATION
VISUAL PROPERTIES
VITAL CAPACITY
VITAMINS
VOLATILITY
VOLCANOES
VOLTAGE
VOLTMETERS
WASHINGTON (STATE)
WASHINGTON D C
WASHOUT
WASTE GAS CONTROL
WASTE GASES
WATER
WATER BODIES
WATER INSOLUBLE FRACTION
WATER POLLUTION
WATER SOLUBLE FRACTION
WATER VAPOR
WATERMELONS
WAVELENGTHS
WEATHER FORECASTING
WEATHER MAPS
WEATHER MODIFICATION
WEEDS
WEEKLY
WEIGHT
WELLMAN LORD PROCESS
WEST AND GAEKE METHOD (SO2)
WEST VIRGINIA
WESTERN EUROPE
WET CYCLONES
WETTING
WHEAT
WHITE PINE TREES
WILDLIFE
WIND POWER
WIND ROSE
WIND TUNNELS
WINDS
WISCONSIN
WOOD *
WOOD (MATERIAL)
WOOD FUELS
WOOLS
WRECKING AND DEMOLITION
WYOMING
X-RAY DIFFRACTION
X-RAY FLUORESCENCE SPECTROMETRY
X-RAYS
XEROGRAPHY
XYLENES
YOKKAICHI
YOKOHAMA
YUGOSLAVIA
YUGOSLAVIAN
ZEOLITES
ZINC
ZINC COMPOUNDS
ZINC OXIDES
ZINC PRIMARY SMELTING AND REFINING
ZIRCONIUM
ZIRCONIUM COMPOUNDS
•SUPERSEDED TERM
11-18
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