United State*              -   , EPA-600/7-85-004
            Environmental Protection '
            A««ncv                      February 1985
&EPA     Research and
            Development
            SURVEY OF TOWN GAS AND

            BY-PRODUCT PRODUCTION AND

            LOCATIONS IN THE U. S.  (1880 - 1950)
            Prepared for
            Office of Environmental Engineering and Technology
            Prepared by
            Air and Energy Engineering Research
            Laboratory
            Research Triangle Park NC 27711

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                 RESEARCH REPORTING SERIES


Research report* of the Office of Research and Development U.S. Environmental
Protection Agency, have been grouped into nine tariet. These nine broad cate-
gories were established to facilitate further development and application of en-
vironmental technology. Elimination  of  traditional grouping was consciously
planned to foster technology transfer and a maximum interface in  related fields.
The nine aeries are:

    1. Environmental Health Effects Research

    2. Environmental Protection Technology

    3. Ecological Research

    4. Environmental Monitoring

    5. Soctoeconomic Environmental Studies

    6. Scientific and Technical Assessment Reports (STAR)

    7. Interagency Energy-Environment Research and Development

    0. •Special" Reports

    g. Miscellaneous Reports

This report has been assigned to the INTERAGENCY ENERGY-ENVIRONMENT
RESEARCH AND  DEVELOPMENT series. Reports in this series result from 'the
effort funded under  the 17-sgency Federal Energy/Environment Research and
Development Program. These studies relate to EPA's mission to protect the public
health and welfare from adverse effects of pollutants associated with energy sys-
tems. The goal of the Program is to assure the rapid development of domestic
energy supplies in an environmentally-compatible manner by providing the nec-
essary environmental data and control technology. Investigations include analy-
ses of the transport  of energy-related pollutants and their health and ecological
effects', assessments of. and development of. control technologies for energy
systems; and integrated assessments of a wide range of energy-related environ-
mental issues.
                       EPA REVIEW NOTICE
This report has been reviewed by the participating Federal Agencies, and approved
for publication. Approval does not signify that the contents necessarily reflect
the views and policies of the Government, nor does mention of trade names or
commercial products constitute endorsement or recommendation for use.

This document is available to the public through the National Technical Informa-
tion Service, Springfield. Virginia 22161.

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                                    EPA-600/7-85-004
                                    February 1985
       SURVEY OF TOWN GAS AND BY-PRODUCT

     PRODUCTION AND LOCATIONS IN THE U.S.

                  (1880-1950)
                      by

              Radian Corporation
           7655 Old Springhouse Road
            McLean, Virginia  22102
          EPA Contract No. 68-02-3137
                Project Officer

               William J. Rhodes
           Advanced Processes Branch
Air and Energy Engineering Research Laboratory
 Research Triangle Park, North Carolina  27711
AIR AND ENERGY ENGINEERING RESEARCH LABORATORY
      OFFICE OF RESEARCH AND DEVELOPMENT
     U.S. ENVIRONMENTAL PROTECTION AGENCY
 RESEARCH TRIANGLE PARK, NORTH CAROLINA  27711

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                               FOREWORD
     This work was initiated due to several questions asked of this .
office regarding the potential environmental problems from waste
disposal of previous gasification-type activities.  From our knowledge
of synthetic fuels' production, we were aware that tars were generated
and were likely disposed of from at least some of the old gas works,
such as town gas producers.  In order to obtain a firmer basis for
deciding what level of effort might be appropriate to evaluate the
potential problem, a quick survey to determine the quantities of
waste tars and general locations of sites was initiated.

     As the survey progressed, the interest in this area grew.  How-
ever, with a few exceptions, the original intent was held firm, for
it quickly became apparent that there were many questions being
.raised which could take considerable time and effort to answer.  Some
of these are:  what are exact locations of disposal sites within each
town; for what is the land now being used; what and how much wastes
were disposed of at each site; what disposal method was used; what
were, are, or will be the environmental and health impacts of disposal;
should remedial action be taken; and are waste recovery and reuse
options feasible.  The intent was not to answer these questions but
to provide information to allow responsible individuals to decide
whether there is sufficient concern to warrant additional activity.
Thus, what is presented here is an attempt to present facts with some
scientific extrapolations, where necessary, and to avoid emotion and
conjecture in an effort to present to policy and decision makers a
sound basis for their consideration.
                                  /
                    Frank T. Princiotta, Director
             Air and Energy Engineering Research Laboratory
                 Research Triangle Park, N.C.   27711
                                ii

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                            CONTENTS

Foreword	ii
Figures	iv
Tables 	   v
Conversion Factors and Definitions of Symbols	vi
Abstract	vii
    1.   Introduction		   1
              Background 	   1
              Project Overview 	   2
    2.   Approach and Results	   5
              General Section Description	   5
              Source of Data	   5
              Site Identification Tables and Maps	   7
              Estimation of Tar Production	33
              Other By-Products	39
References .	41
Appendices
    A.   Background Information on Data Source
         and  Processes	A-1
    B.   Identification of Town Gas Manufacturing
         Sites - All Plants (1890-1950)	B-1

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                             FIGURES
Nupiber                                                     Page
  1       States vs.  EPA Regions	    4
  2       Map of All  Gas Manufacturing Sites in
           U.S. (1890)	22
  3       Map of Gas  Manufacturing Sites in EPA
           Region 1  (1890)	23
  4       Map of Gas  Manufacturing Sites in EPA
           Region 2  (1890)	24
  5       Map of Gas  Manufacturing Sites in EPA
           Region 3  (1890)	25
  6       Map of Gas  Manufacturing Sites in EPA
           Region 4  (1890)	26
  7       Map of Gas  Manufacturing Sites in EPA
           Region 5  (1890)	27
  8       Map of Gas  Manufacturing Sites in EPA
           Region 6  (1890)	28
  9       Map of Gas  Manufacturing Sites in EPA
           Region 7  (1890)	29
 10       Map of Gas  Manufacturing Sites in EPA
           Region 8  (1890)	30
 11       Map of Gas  Manufacturing Sites in EPA
           Region 9  (1890)	31
 12      Map of Gas  Manufacturing Sites in EPA
           Region 10 (1890)	32
A-1       Sample Page from Brown's 1890 Edition	A-2
A-2      Sample Page from Brown' s 1950-51 Edition	A-3
A-3       Description of Processes from Brown's ......  A-9
                              iv

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                             TABLES

Number                                                     Page

  1      Summary of Town Gas Sites and Production
           by State (1880-1950) 	   8

  2      Summary of Town Gas Manufacturing Sites and
           Average for Large Plants  O200 MM scf/yr.).  .  .  12

  3      History of Number of Sites and Production of
           Town Gas for 1889 to 1950	21

  4      Summary of Town Gas and Tar Production
           by State (1880 to 1950)	34

  5      Rank of U.S.  States/Territories According to
           Estimated Tar Production for the Time Period,
           1880 to 1950	36

  6      By-Product Disposition 	  41

B-1      Identification of Town Gas Manufacturing
           Sites - All Plants (1890-1950)	B-8'

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          CONVERSION FACTORS AND DEFINITIONS OF SYMBOLS

BTU     = British Thermal Unit (quantity of heat required to
          raise the temperature of one pound of water one degree
          Fahrenheit) = approximately 252 calories
BTU/scf = Heating value of a gas
gal     = U.S. gallons
Ibs     = Mass pounds (5 x 10~4 tons)
M       = One Thousand (1,000)
MM      = One Million (1,000,000)
scf     = Standard cubic feet measured at 60 °F and 30 in. Hg.
ton     = Short ton (2,000 Ibs)
yr      = Year
Joule   = 9.486 x 10~4 BTU
kg      r 2.20462 Ibs
m3    = 35.3145 ft3 = 264.17 gal
Standard conditions:  273 K, 1 atm
                               VI

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                            ABSTRACT
         This report presents data compiled from available
literature identifying plants that manufactured town gas from
fossil fuels (e.g., coal, oil) and that existed in the U.S.
during the 1889 to 1950 time period.  The results are the first
step of a preliminary study to investigate the fate and poten-
tial environmental impact of by-products (such as tar) from the
manufactured gas industry.  A list of gas manufacturing sites
and company names was compiled by reviewing published gas sta-
tistics.  It is estimated that more than 1,500 manufactured gas
facilities existed between the years 1889 and 1950.  In addi-
tion, available gas and by-product production data and gasifier/
process information are reported.

         Based on these data, a rough (order of magnitude) esti-
mate for the total production of tar by the U.S. manufactured
gas industry was developed.  It is estimated that approximately
15 trillion cubic feet of gas was manufactured in the United
States between the years 1880 and 1950, resulting in the
production of 11 billion gallons of tar as a by-product.  Of
this estimated tar production, some tars were consumed at the
plant site or sold and any excess discarded.  Excess quantities
of other by-products, such as coke and ammonia,  may have been
disposed of also.  However, this study focused on tar because it
is considered the more potentially significant waste disposal
problem.  The explanations and assumptions used in compiling the
data as well as those used in developing the tar estimates are
also discussed in this report.
                              vii

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THIS PAGE INTENTIONALLY LEFT BLANK
               Vlll

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                            SECTION 1

                          INTRODUCTION

BACKGROUND

         Prior to the widespread use of natural gas, the United
States relied, in part, on town gas produced from fossil fuels
(predominantly coal) for heating and lighting purposes during
the 1800s and early 1900s.  The manufacture of town gas typi-
cally resulted in the production of by-products (including tar)
from the gas purification processes.  These by-products would
have been sold or utilized to the extent possible; however, any
excess may have been disposed of in some manner.  The potential
environmental impact of the disposal' of solid wastes (particu-
larly unsold and non-utilized by-product tars) from the manufac-
ture of town gas has become a recent area of interest.  Because
of the large size of this industry, this may be one of the larg-
est generic sources of waste (in terms of number of disposal
sites).  As a preliminary step in evaluating the potential prob-
lems,  a literature search and subsequent data compilation have
been completed in order to identify the gas manufacturing sites
that existed and the amount of by-products (especially tars)
that were produced.

         Historically, the term town gas was used to generically
refer to any combination of combustible gases distributed from
localized sources to end users.  Town gas could be either
natural gas or gas produced from the heating of fossil fuels.
However, in this report, it is used to refer only to manufac-
tured gas.  Manufactured gas is of concern in this study because
of the significant amounts of wastes that could be associated
with typical gas manufacturing processes.  These processes can

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be classified as either carbonization or gasification,  which are
distinguished primarily by the type of gas produced and the feed-
stock.  Carbonization,  or the heat treatment of coal in the
absence of oxygen,  produced a predominantly methane/hydrogen gas
called coal gas.  Primary by-products that resulted from purifi-
cation were tar, coke,  and ammonia.  Passing steam through hot
coal or coke, a process known as gasification,  produced water
gas, which is comprised mainly of hydrogen and  carbon monoxide.
Tar, coke, and ammonia  by-products were formed, however in
lesser amounts than formed during carbonization.  Water gas
could be enriched with  oil gas to form "carburetted water gas"
to give it a higher heating value.  Oil gas was produced by the
thermal cracking of oil achieved by spraying oil onto hot
brickwork or a bed of hot catalyst.  Typical by-products result-
ing from oil gasification were oil derivatives, tar, and
naphthalene.

PROJECT OVERVIEW

         The purpose of this study is to review and summarize
pertinent data available in the open literature on the manu-
factured gas industry so that a preliminary assessment can be
made of the quantities  of solid wastes that may have been
disposed of at gas manufacturing sites.  The following steps
(listed in chronological order) were taken to accomplish this
purpose within the scope of the project:

         1.   A literature search was performed to identify
              possible  sources of data, with special attention
              to sources containing detailed site 'and by-product
              information.
         2.   Based on  the available information found in the
              open literature, data were compiled on plant loca-
              tion, manufacturing process type, and gas and
              by-product production rates.

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         3.   A rough estimate for the total tar produced in the
              U.S. manufactured gas industry was developed based
              on the compiled data.
         4.   This summary report was prepared to present the
              data and provide documentation of assumptions used
              in the development of the data tables and the tar
              production estimates.

         Details regarding the first three steps just mentioned
are given in Section 2 (Approach and Results).  Summary data
tables are arranged according to EPA regions, as shown in Figure
1, and are presented in Section 2.  Regional maps are presented
individually in Section 2.  Appendix A contains sample pages
from the primary data source and descriptions of the different
manufactured gas types and water gas processes.  A detailed data
table which presents the site-by-site information collected
during the data compilation phase is presented in Appendix 3.

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SMniMCSCO
                                                                            MSTM
     HnrTOMOTT



InNUKlMtt
a
.WASHINGTON, O.C.
                                                                   O MTIOMlQFnCC

                                                                   • KSMMM.
                                    TWSTTOBnwrW

                                    TNEMCRKUMK
STATE/TERRITORT
ALABAMA
ALASKA
AMERICAN SAMOA
ARIZONA
ARKANSAS
CALIFORNIA
COLORADO
CONNECTICUT
DELAWARE
DIST.OF COL.
FLORIDA
GEORGIA
GUAM
HAWAII
IDAHO
ILLINOIS
INDIANA
IOWA
KANSAS
EPA
REGION
4
10
9
9
6
9
8
1
3
3
4
4
9
9
10
5
5
7
7
STATE/TERRITORY
KENTUCKY
LOUISIANA
MAINE
MARYLAND
MASSACHUSETTS
MICHIGAN
MINNESOTA
MISSISSIPPI
MISSOURI
MONTANA
NEBRASKA
NEVADA
NEW HAMPSHIRE
NEW JERSEY
NEW MEXICO
NEW YORK
NORTH CAROLINA
NORTH DAKOTA

EPA
REGION
4
6
1
3
1
5
5
4
7
8
7
9
1
2
6
2
4
8

STATE/TERRITORY
OHIO
OKLAHOMA
OREGON
PENNSYLVANIA
PUERTO RICO
RHODE ISLAND
SOUTH CAROLINA
SOUTH DAKOTA
TENNESEE
TEXAS
UTAH
VERMONT
VIRGIN ISLANDS
VIRGINIA
WASHINGTON
WEST VIRGINIA
WISCONSIN
WYOMING

EPA
REGION
5
6
10
3
2
1
4
8
4
6
8
1
2
3
10
3
5
8

                      Figure 1.   States vs. EPA  Regions

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                            SECTION 2

                      APPROACH AND RESULTS
GENERAL SECTION DESCRIPTION

         This section presents summaries of the compiled data in
tabular and graphical form, as well as discussion of the general
approach to the data compilation and tar production estimation.
The comprehensive data table, which represents the detailed
results of this study, is included in Appendix B.  Section 2 is
divided into four parts.  The first part is concerned with the
source of data and the general approach taken to compile useful
data.  The second part presents the summary data tables and
discusses points to consider in using the data, as well as
corresponding explanations of column headings and assumptions
made in data compilation for each of the tables.  This part also
includes maps showing the plant sites reported in the year 1890
to give the reader an overall visual impression of the breadth
and number of these sites.  The main map is broken down into 10
individual maps, each showing a separate EPA region.  The third
part discusses the steps and assumptions used to develop the tar
production estimate.  The final part briefly discusses gas
manufacturing by-products/wastes other than tar.

SOURCE OF DATA

         The primary source of information in this study- was
Brown's Directpry of American Gas Companies (referred to here-
after as Brown's)f an annual publication (since 1887) that con-
tains statistics for the U.S. gas industry.  It was the only
source found which allowed identification of individual plant

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sites over a wide time period.   In addition,  gas and by-product
production data were reported (although the latter was not
reported until later years - circa 1920).   Example pages from
the 1890 and 1950-1951 editions of Brown's are presented in
Appendix A to show the extent and detail of the information
reported.  The information in Brown's is based primarily on
surveys completed by each gas company.   The data were compiled
and published in the directory.  The use of surveys most likely
resulted in some degree of inconsistency and  incompleteness in
the reported information.

         Based on the scope of the study and  the available time
and information, data were compiled from Brown's for every tenth
year beginning in 1890 and ending in 1950, for a maximum of
seven years of data for each site.  This approach should include
almost all manufactured gas plants reported in Brown's because •
it is reasonable to believe that most plants  operated for at
least 10 years.  It should be noted that production data
reported in Brown1s refer to the previous year's operation
(e»g«» gas production reported in the 1900 edition referred to
production for the year 1899).   Throughout the remainder of this
report, the term "decennial years" will be used to refer to the
years Cor volumes of Brown's) in which data were reported (1890,
1900, 1910, 1920, 1930, 1940, and 1950).

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SITE IDENTIFICATION TABLES AND MAPS

         This section presents the summary data tables and cor-
responding discussion for each table,  including the main data
table (Table B-1) found in Appendix B.  Table 1 shows site
tallies and total gas productions by state/territory for the
time period, 1880 to 1950.  Table 2 shows average production
rates for plants having an average total production greater than
200 million scf/year.  In order to simplify the anticipated use
and evaluation of the data shown in Tables 1  and 2, the states/
territories are arranged according to their respective EPA
regions.  Figure 1 shows the correspondence between the states/
territories and EPA regions, as well as the EPA regional
offices.  Details for each table are described below.

Production Rate bv Stgte/Territory

         Table 1 presents two important pieces of information
for each state:  the total number of sites reported and the
estimated manufactured gas production, both for the time period
1880 to 1950.  The STATE/TERRITORY column includes all 50 U.S.
states as well as U.S. territories which are  part of EPA
regions.  The NUMBER OF SITES indicates the number of plants for
each state/territory which were reported to manufacture gas
during at least one of the decennial years.  As shown in the
total, approximately 1,500 manufactured gas sites were identi-
fied between 1890 and 1950.  Details regarding the gas and
by-product production data may be found in Table B-1 and its
discussion in Appendix B.

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-------
         Caveats and uncertainties associated with Table 1  are
listed and explained below.

         •    The number of  identified sites is based solely on
              the total number of entries reported in Brown* s
              for every tenth year.
         •    Estimated gas  production for 1880 to 1950 is
              simply the sum of all reported data (for every
              tenth year) multiplied by 10 years.
         Because the number  of sites is based solely on the
total number of entries found in every tenth Brown's publication
between the years 1890 and 1950, the total number of sites  is
probably underestimated.  One reason is that not all existing
sites or plants may have been identified by Brown's.  In
addition, other sites may have been identified in some of the
annual publications not reviewed in this program.  Finally,
although there was generally a one-to- one correspondence
between reported entries and individual plant sites, a single
entry was occasionally reported for a plant or company which had
multiple plant sites.  The best estimate for the number of
separate sites was included  in the site tally shown in Table 1.
Usually these separate sites were consolidated into a larger
plant/company (for which the single entry was found) and were
already counted as individual sites in previous years.

         The estimated gas production for 1880 to 1950 is based
on the sum of all reported data for the decennial years and
multiplied by 10.  This should minimize any bias in extrapolat-
ing these data to account for plants or years in which gas  was
determined to be manufactured but data were not reported.  Thus,
the reported gas production  estimate may be low.  However,  most
instances in which no data were reported involved relatively
small plants whose manufactured gas productions probably repre-
sent a minor contribution to the total production.
                               10

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Production From Largest Plants

         Table 2 provides an intermediate summary of the
detailed data presented in Table B-1, showing average annual
values for gas and by-product production rates for plants with
total average gas productions greater than 200 million cubic
feet/year.  For states or territories which do not have plants
with productions above this cut-off, data for the plant with the
largest production are presented in this table and marked with
an asterisk.  The yearly gas production rates for each type of
gas manufactured were calculated by averaging the quantity
produced only over the years for which that type of gas was
manufactured.  Total gas production rates were determined by
adding the amount of all types of gas produced during a
decennial year, and calculating the average production over all
decennial years in which any gas was produced.  For example,
Denver,  Colorado manufactured coal gas over four decennial years
(1890, 1900, 1910, and 1920) and water gas over two decennial
years (1910 and 1920).  Therefore, coal gas production is
averaged over four years and water gas over only two years.
Average total gas production is the sum of all gas produced,
both coal and water, divided by 4, the number of decennial years
during which any type of gas was produced.  The production rates
for each type of gas and by-product are presented in Table 2.
Uncertainties described later for Table B-1 also apply to Table
2.

Detailed Plant Data

         Table B-1 in Appendix B,  which represents the detailed
product of this study, shows data reported for each plant in
each decennial year as well as the average production rates for
gas and  by-products.  The legend for the table provides a key to
                               11

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-------
abbreviations and units for the by-product data.   Several  cave-
ats and uncertainties to keep in mind while using this table
are:
         •    The reported data are as factual  as possible.   A
              minimum amount of interpretation  was involved  in
              transposition of data from Brown* s  to Table B-1.
              However,  there was some subjectiveness in  deter-
              mining the gas type in some cases as explained in
              Appendix  B.

         •    The data  entries in Table B-1  include some coke
              oven-based gas associated with plants which pro-
              duced conventional manufactured gas (coal,  water,
              oil) either while producing coke  oven gas  or in
              preceding years.  These entries are under  the
              column marked coke.

         •    By-product production data were only available
              after 1920 and were not as abundant as gas pro-
              duction data.  This was especially  true for ammo-
              nia and "other" by-products.   Average production
              rates were not calculated for  ammonia or "other"
              by-products due to the scarcity of  these data.

         •    Each city entry represents an  individual manu-
              factured  gas site in almost all cases.   Occasion-
              ally, an  individual city entry had  multiple sites,
              especially for larger cities and  in later  years
              where consolidation was a common  occurrence.   In
              these cases, if the separate plant  locations were
              reported, they are shown in the MISCELLANEOUS
              INFORMATION column.

         •    Data are  shown in Table B-1 only  for years in
              which it  could be ascertained  that  gas was manufac-
              tured (as compared to being purchased and  re-sold)
              by the plant.

              In cases  in which gas was reported  to be pur-
              chased, data were not compiled because the.source
              and type  of the purchased gas  was usually  not
              specified.  The purchased gas  may have been manu-
              factured  at another facility and,  thereby,  already
              considered.  Inclusion of this  purchased gas would
              have resulted in double counting.   It was  assumed
              that purchased gas did not require  further purifi-
              cation which would produce by-products. Another
                               19

-------
              possibility is that the purchased gas was non-
              manufactured gas,  which is not being considered in
              this study.  Production rates were not estimated
              for years in which no information was found
              (indicated by "0"  in status column).  When two
              consecutive ffO"s were determined (i.e.,  no
              information reported for two consecutive decennial
              years) it was usually assumed that the plant no
              longer manufactured gas.

         The detailed explanations for each type of data entry
and assumptions used in compiling the data are presented for
each column heading in Appendix  B.

Growth and Location of Manufactured Gas Industry

         As shown in Table 3,  the number of manufactured gas
sites decreased markedly from 1890 to 1950.  However,  during
this same time period, actual  production of manufactured gas
increased dramatically.  This  drop in number of sites accompan-
ied by increased gas production  was probably due to the shut
down of some plants, consolidation of small facilities into
larger ones, and increase in capacity of then existing plants.

         Figure 2 is a reproduction of a map found in the 1890
edition of Brown* s. which shows towns containing gas manufac-
turing plants in the U.S. for  1889.  It is not intended that
individual names on the map be legible.  The density of names in
various areas is an indication of where the most sites were
located.   Figures 3 through 12 present maps for each of the 10
EPA regions based on dissection  of the main map shown in Figure
2.  The intent of these maps is  to provide a perspective on the
wide distribution of plants across the country and to show areas
of highest site location.
                               20

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           TABLE 3.  HISTORY OF SITES AND PRODUCTION
                      OF TOWN GAS FOR 1889 TO  1950

DECENNIAL YEAR
1890
1900
1910
1920
1930
1940
1950
(D
NUMBER
OF SITES
989
912
942
918
737
381
194
(2)
PRODUCTION (MM scf)
24,000
59,000
132,000
283,000
365,000
261,000
331,000
FOOTNOTES:  1. Only sites marked with an asterisk or a  "C"
               in Table B-1 were counted.
            2. The production presented here is  the sum of
               actual production listed in Table B-1.
                               21

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                                               01
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22

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  Reprinted with permission of Harcourt Brace Jovanovich
  Publications from Brown's Directory.
Note:  Site names are only intended to show general location on
       the map and density of sites.
    Figure 3.   Map of Gas Manufacturing Sites in EPA Region 1
                                (1890)
                              23

-------
                                   Reprinted  with  permission  of
                                   Harcourt Brace  Jovanovich
                                   Publications  from  Brown's
                                   Directory.
Note:  Site names are only intended to show general  location on
       the map and density of sites.
    Figure 4.   Map of Gas Manufacturing Sites  in  EPA Region 2
                             (1890)
                              24

-------
     Reprinted with permission of Harcourt Brace Jovanovich
     Publications from Brown's Directory.
                       ~V	~-:-r-
                           E N N S Y LVA N I A
Note:  Site names are only intended to show general  location on
       the map and density of sites.


    Figure 5.  Map of Gas Manufacturing Sites in EPA Region 3
                             (1890)
                              25

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                          MACOM9
                          G E O R Q
Reprinted with permission of
Harcourt Brace Jovanovich
Publications from Brown*s
Directory.
Note:  Site names are only intended to show general location on
       the map and density of sites.
    Figure 6.  Map of Gas Manufacturing Sites in EPA Region 4
                             (1890)
                               26

-------
          Reprinted with  permission of  Harcourt  Brace  Jovanovich
          Publications  from  Brown's Directory.
Note:  Site names are only intended to show general location on
       the map and density of sites.
    Figure 7.  Map of Gas Manufacturing Sites in EPA Region 5
                             (1890)
                               27

-------
                                                     o
                                                     c%
                                                     CO

                                                     V—'

                                                     vo

                                                     c
                                                     o
                                                     •H
                                                     hO
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                                                     a.
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                                                     n
                                                     60
                                                     C
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                                                     3
                                                     WJ
                                                     O
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                                                     C
                                                     
-------
       Reprinted with  permission  of  Harcourt  Brace  Jovanovlch
       Publications  from  Brown's  Directory.
Note:  Site names are only intended to show general location on
       the map and density of sites.


    Figure 9.  Map of Gas Manufacturing Sites in EPA Region 7
                             (1890)
                               29

-------
      Reprinted with permission of  Harcourt Brace Jovanovich
      Publications from Brown's Directory.
                        ANA
                   Y   O  M  1  N
                          ^Glenwood Sprinos
                                •
                        Gunnicono

                      C  0  L  0
  A  0  0
"Puebto
Note:  Site names are  only  intended to show general  location on
       the map and  density  of sites.
   Figure 10.  Map  of  Gas  Manufacturing Sites in EPA  Region 8
                              (1890)
                                30

-------
      Reprinted with permission of Harcourt Brace Jovanovich
      Publications from Brown* s Directory.

Note:  Site names are only intended to show general  location on
       the map and density of sites.
   Figure 11.   Map of Gas Manufacturing Sites in EPA Region 9
                             (1890)
                               31

-------
       ALASKA
      Reprinted with permission of Harcourt Brace Jovanovich
      Publications from Brown's Directory.        ••

Note:  Site names are only intended to show general location on
       the map and density of sites.
   Figure 12.  Map of Gas Manufacturing Sites in EPA Region 10
                             (1890)
                                32

-------
ESTIMATION OF TAR PRODUCTION

         This part presents a rough estimate for the total tar
produced by the manufactured gas industry in the U.S. between
the years 1880 and 1950 and summarizes the calculations and
assumptions used in obtaining this estimate.  This time period
covers the years for which the compiled data can be most reli-
ably used.  The total amount of tar produced by U.S. manufac-
tured gas plants up to the year 1950 was also estimated.  The
first year in which gas was manufactured in the U.S. was assumed
to be 1820 because the first gas manufacturing facility in the
United States (believed to be in Baltimore, MD) began producing
gas circa 1820.  This second estimate was based on extending the
tar production estimate from the period 1880 to 1950 to cover
the years 1820 to 1950, thereby representing a considerable
extrapolation.  The amount of tar produced after 1949 was not
estimated because of the large gas production rate in 1949 and •
the significant uncertainty concerning how quickly this pro-
duction r.ate fell off.  In addition, the proportion of tar sold
as a by-product or disposed of in an environmentally acceptable
manner probably increased following 1949.  Thus, in the absence
of more reliable data, the amount of tar produced after 1949 was
not estimated in this report.  It should be noted again that the
reported estimate does not include tar produced from coke-oven
plants.  However, it is recognized that coke-oven plants did
produce tars and that some of these may have been disposed of
via the land path during the early years of this period.

         Table 4 presents information found in Table 1 along
with the total estimated tar production for the time period
1880-1950.  Table 5 presents these tar productions by state/
territory in descending order based on quantity.  These esti-
mated tar production values should be viewed with the following
caveat in mind:
                               33

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n92flJtO 5 O fH 4) 01-33.£!tUCD
s O. ».Id 01 E H S <-.
I . .
•-CM m a-

••
CO
Ed
H
0
Z
H
O
O
k.
                                               35

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TABLE  5.   RANK  OF  U.S.  STATES/TERRITORIES ACCORDING  TO
             ESTIMATED TAR PRODUCTION FOR THE TIME  PERIOD,
                                  1880 TO 1950
RANK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
3"»
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
STATE/
TERRITORY
NEW YORK
HEW JERSEY
PENNSYLVANIA
MASSACHUSETTS
MICHIGAN
ILLINOIS
CALIFORNIA
INDIANA
MARYLAND
WISCONSIN
CONNECTICUT
DIST.OF COL.
RHODE ISLAND
MISSOURI
OREGON
VIRGINIA
IOWA
WASHINGTON
FLORIDA
MINNESOTA
OHIO
GEORGIA
NEBRASKA
KENTUCKY
TENNESEE
NORTH CAROLINA
MAINE
NEW HAMPSHIRE
COLORADO
SOUTH CAROLINA
TEXAS
HAWAII
LOUISIANA
DELAWARE
ALABAMA
VERMONT
ARIZONA
NORTH DAKOTA
SOUTH DAKOTA
UTAH
MISSISSIPPI
WEST VIRGINIA
KANSAS
MONTANA
PUERTO RICO
ARKANSAS
NEVADA
IDAHO
NEW MEXICO
WYOMING
OKLAHOMA
VIRGIN ISLANDS
AMERICAN SAMOA
GUAM
ALASKA
EPA
REGION
2
2
3
1
5
5
9
5
3
5
1
3
1
7
10
3
7
10
4
5
5
4
7
4
4
4
1
1
8
4
6
9
6
3
4 .
1
9
8
8
8
4
3
7
8
2
6
9
10
6
3
6
2
9
9
10
(1)
ESTIMATED TAR
PRODUCTION (M GAL)
2,825,000
890,000
827,000
805,000
456,000
452,000
355,000
340,000
289,000
261,000
241,000
203,000
175,000
163,000
162,000
153,000
138,000
125,000
110,000
97,000
7»,000
73,000
69,000
66,000
59,000
54,000
'49,000
34,000
33,000
33,000
29,000
23,000
21,000
21,000
19,000
14,000
11,000
10,000
10,000
7,000
7,000
6,000
5,000
4,000
3,000
2,000
2,000
1,000
1,000
1,00ff
1,000
NR
NR
NR
NR

       FOOTNOTES:  1. The estimated tar production are obtained by
                   multiplying the corresponding estimated manufactured
                   gas productions shown in Table 1 by the constant tar
                   production factor of 730 gallons/MM scf.
                 2. "NR" signifies that data were not reported.
                                 36

-------
         •    Tar production was estimated from the manufactured
              gas production based on a constant factor of 730
              gal/MM scf.
This factor was derived from 1930 BrownTs data by estimating the
tar production rate as a function of gas production for that
year.  That year was chosen because of a relatively ample
availability of by-product data (reported for approximately 40
percent of plants).  This constant factor was calculated as the
total tar production divided by total gas production (for plants
reporting tar production), resulting in a value of 730 gallons
of tar per million cubic feet of gas produced.

              The tar factor does not account for changes in the
makeup of the manufactured gas in years other than 1930.  In
addition, this factor should vary with the type of gas produced
(e.g., coal gas produces more tar per MM so than water gas);
type of feedstock, in particular the type of coal (e.g.,
bituminous or anthracite); equipment design;  operating
conditions; and extent of gas cleaning.  Therefore, the actual
tar production (i.e., gal tar per MM scf of gas) is highly
variable by site, state, and region.

              However, the tar production estimates made in this
report use the same factor (730 gal tar/MM scf of gas) for all
states; and therefore, the reader should use these estimates
carefully (i.e.,  recognizing the uncertainties described above).
It is believed that this factor is sufficiently accurate for the
intended use in this report which is an order of 'magnitude
estimate for obtaining an idea of the potential quantities that
may be involved.

              This factor was applied to the total gas
production for each state for the time period, 1880 to 1950,
                               37

-------
shown in Table 4,  to obtain state-by-state tar production esti-

mates.  The total  of these tar production estimates represents

the total tar produced by the U.S.  gas manufacturing industry
from 1880 to 1950.  The total tar produced as a by-product by

U.S. gas manufacturers between 1880 and 1950 is estimated to be

approximately 11 billion gallons.  This total estimated tar

production for the period 1880 to 1950 was extended to cover

1820 to 1880 based on a "zero linear interpolation" assumption,

as explained in the following discussion.  The tar production

estimate for the 1820 to 1950 time period is 11.5 billion

gallons.


Procedure For 1820 To 1880 Tar Estimates


         The 1880  to 1950 tar production estimate was extrapo-

lated to include the early years of the U.S. manufactured gas

industry (1820 to  1880) as follows:


         1.   The  tar productions for the end years of the time
              period for which tar production was not yet
              estimated (1820 to 1880) were established.  It was
              assumed that no tar was produced in the first year
              of the manufactured gas industry, 1820.  The tar
              production for 1879 was based on applying the tar
              factor (730 gallons tar/MM cubic feet of gas) to
              the  total gas production for the year, 1889.  The
              1889 gas production was calculated as the total of
              reported data for the year, 1889, or 23,600 MM
              scf.  The resulting quantity of tar estimated to
              have been produced in 1889 is 17 million gallons.

         2.   Next, it was assumed that the tar production from
              1820 to 1880 could be linearly interpolated based
              on the productions established in the preceding
              step.  The resulting estimate is 0.5 billion
              gallons of tar produced between 1820 and 1880.
                               38

-------
OTHER BY-PRODUCTS

         This part discusses the production and fate of by-
products (other than tar) resulting from the manufacture of gas.
In this preliminary study, however, the focus is primarily on
tar.  Analyses of the other by-products were not performed in
this study although future evaluation of the potential tar dis-
posal environmental impact may warrant further investigation
into the fate of these other by-products.  These other by-
products include:

            coke
         -  ammonia
         -  naphthalene
         -  crude light oil and derivatives
         -  coal screenings and residue
            spent iron oxide (contains sulfur)
            spent lime (dry or in solution)

         The above by-products usually had some commercial value
for further recovery or consumption.  Table 6 presents percent-
ages of by-products sold which were calculated from data for
four years (1925, 1927, 1929,  and 1931) as reported in the
Census of Manufacturers: 1931  for the manufactured gas industry.
These particular years were selected solely on the basis of data
availability.  Data were unavailable for spent iron oxide and
lime, which were used to remove hydrogen sulfide from the
manufactured gas.  Additional  information regarding the sources
and production of these by-products may be found elsewhere
(Reference 3).
                               39

-------
                TABLE 6.   BY-PRODUCT DISPOSITION
Bv-Product

Tar
Coke
Ammonia
Naphthalene,  Crude
Crude Light Oil
Light Oil Derivatives
Screenings and Breeze
Spent Iron Oxide
Spent Lime
     Amount Sold
Percent of Total
as
Produced
(1)
            76
            62
            (2)
            46
            26
            55
            13
            (2)
            (2)
FOOTNOTES:  (1) Average of the years 1925,  1927,  1929, and 1931.
            (2) No data reported.

Source of data:  Census of Manufacture:   1931 (U.S.  Dept.  of
                 Commerce)
                               40

-------
                           REFERENCES
1.       Brown's Directory of American Gas Companies,. Moore
         Publishing Company, Inc., New York, N.Y., 1890, 1900,
         1910,  1920,  1930, 1940 and 1950-51 editions.

2.       Bureau of the Census (U.S. Department of Commerce),
         Census of Manufacture:  1911 - Manufactured Gas;
         Cofee-Oven Products; Fuel Briquets, U.S. Government
         Printing Office, Washington, D.C., 1934.

3.       Steward, E.G., Town Gas - Its Manufacture and
         Distribution,. Her Majesty's Stationary Office, London,
         1958.
                                41

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THIS PAGE INTENTIONALLY LEFT BLANK
                42

-------
                           Appendix A

                 BACKGROUND INFORMATION ON DATA
                      SOURCE AND PROCESSES
SAMPLE PAGES FROM BROWN'S DIRECTORY OF
AMERICAN GAS COMPANIES
         This part contains example pages from the 1890 and
1950-1951 editions of Brown's Directory of American Gas
Companies.  These example pages show the extent and detail to
which data are reported by Brown'sf as well as the changes in
the reported data from 1890 to 1950.  These example pages, which
are copyrighted,  are used here with the permission of Harcourt
Brace Jovanovich Publications, the publishers of Brown1s
Directory of American Gas Companies.
                            A-l

-------
                            BROWN'S

                 DIRECTORY
                                        or
AMERICAN    GAS     COMPANIES.
                       GAS   STATISTICS.
                                ALABAMA.
      hut Gas. Qectria  Uoftt  4
  lirauaafta*.
   Capital Koek.
   Total bond* ottutaaUiaif.. 1940,000.
   Preideat. J. F. B. Jacfcjo*.
   Treasurer, B. F. Rodea.
   •ternary, B. F. Rorteo.
   Purcaasiay Ajrat. & F. Rodea.
   SuperiateaUeat. T. Byre*,
   Price* o/ Manufacture. CoaL              .
   Population, AO.OOO.
   Price of Gas ia 1890. 41. JO.
   Xumber of public lamp*, si
   Price received for public laatpa. 11.23 per moattu
   Approximate annual output. •40.00U.OUO.
   Cud!* power. 14.
   Operate Thomjoo-Houston E«tr1c Sfiteta.
   27uab«r of Liebu. 470 Arc aod l.dOO Lacaadcs*
 •tcatv U«nt 4 Power C*, Oteatar. '
    Ctpilal ttoek. |t20.00lt.
    Toi«J boodj ouitikadiar.
    PrcudfBt. W. \T Littlijoaa.
    Trnaunr. lit 5*fL B«ak.
    S*cm»rr. JM. X. SCMC
    PureaMiaf Agcai. JM. M. Score
    ^upenateodeat, JM JL Scort.
    PrpctM of X*du£*cntr«. Coal
    PopuiMloa. 8.000.
    Pnct of GM ia JUrt. |3.00. 10 p«r ctat.
    Xumber of public lamp*.  73.
    Price received for public t*ape. tSS.OO per year.
    ApproftiiMM aoaual output aot Mated.
    Caadle powtr, U.

       84*. Electric U«(it u4 Power Ce.,
    Capital Jtocfc. 130.000.
    Total boodj ouutaadlaf. I
    Prmdeat. Joha vr. TiUUa.
                      Treasurer. A. Bena-^vr.
                      Secrvtarr. X Berin«r.
                      PurciuMae A^irac. 4»Uo W. TullU.
                      Sttperiaieocleot. J*n>c» ferrier.
                      Procn* of Xaau/acran. CoaL
                      Poptilatioa. 7..XX).
                      Price of G«» ia 196°. «--.50. lew 10 per eeas.
                      Xumber of public !AO»P», $1.
                      Price rrccirfil for public lampe.
                    •• Approsimaf* inauJJ output, d. 000.000.
                      Caadle power.
                      Operate Taooaoa-Houstoe Uectric Sfvea. 90
                        Arc aad 50 lacaadexeat Lig ha.

                   HvattvilU 6«« Uaat «nd C«k« CA, Hontjvillt.
                      Capital wock. 477.000.
                      Total beads ouutaadio j 137.900.
                      Pmtileet. Robe. £. Cok*.
                      Secrefarr. L \V. Murdoch.
                      9.00 to $1.73,
                      Dumber of public lamp*. 30.
                      Pnce recnred for public latapa.
                      Jlppmrioute annual output. 10,000.000.
                      C««!> po*er. 14,
                   Mebile &aa U««t aatf Coko C«, Mobile,
                      Capital stock. IT4.000.
                      Total boada outttaadiaf. 9
                      Pmideat. 3. i Robira.
                      Treaaiucr. H. XT. Shieide.
                      Secretary. H. XT. SUiekla.
                      Purchaatav A«eat. H. \V. Saieida,
                      5 ttperiateedeat. Jotta 0*8nea.
                      Proem of Manufacture. CoaL
                      Populatioa. 40.000.
                      Pnce of Gaa la idW. $1.75 to 42.23.
                      Xumber tt public lamp*, aoaa.
                      Price recetr«d for public laopa.
                      Approziavate aaaual output. 14.000.000.
                                  IS.
 Reprinted with  permission  of Harcourt  Brace  Jovanovich
 Publications  from  Brown's  Directory.
     Figure  A-1
Sample  Page  from  Brown's  1890 Edition

              A-2

-------
           GAS  COMPANY   STATISTICS
                NATURAL, MANUFACTURED AND
                     BUTANE  GAS COMPANIES
        Statistics for the Calendar Year 1949 Arranged Alphabetical!} Accord-
                                ing lo States and Cities
                                  ALABAMA
                             CAS COMPANIES AND MAIN OFFICE
        Alabama Ga» Corp.             Birmingham
        Alexander City Municipal Gas Co.   Alexander City
        Andalusia Gas System    .         Andalusia
        Apex Gas Co., Inc.       . .     Birmingham
        Atmore Ga» Dept., City of             Atmore
        Bay Minettr Natural Gas Oept      Ba> Mmrttr
        Brewton Cat Dept.                Brewton
        Colbert Gas Co., Inc.   .            Sheffield
        Drcatur Ga< System                Decarur
        Huffman  Gas System              Huffman
        Huntwille Gas System             Huntevillc
        Jacksonville Water Works &
          Gas Board                  Jacksonville
Mobile Gas Sen-ice Corp.  .
National Utilities Co.
Ozark Municipal Gas Plant
PHI Cit> Ga-. System
Phenn City Natural Gas Co.
Atlanta, Ca.
. .  Florence
     Ozark
   Pell City
 Fhenix Cit>
Piedmont Water Works and Gaj Board  Piedmont
PU-asant Grove Municipal Gas Co   Pleasant Grove
Ragland Gas System      .  .      Ragland
Southern Natural Gas Co.         Birmingham
Sxlarauga Ga* System   .  .       . Sylacauga
TalU.«ee Ga< System             . Tallaiwe
Troy Gas Dept.. City of     .          Troy
Union Springs Ga; Co., City of     Union Springs
                    COMMUNITIES SERVED AND INDEX TO OPERATING DATA
Alexander City-
Andalusia
Annitton
Atmore
Attalla
Auburn
Bay Minette
Bessemer
Birmingham
Blue Mountain
Brewlon
Brighton
Chickasavr
Decarur
F airfield
Florence
Gadsden
Heflm
Homrwood
Hueytnwn
Alexander City
Andalusia
. Anniston
Atmore
. Gadsden
Auburn
Bay Minette
Birmingham
Birmingham
Anniston
Brewton
Birmingham
Mobile
Decarur
Birmingham
Florence
Gadsden
Heflm
Birmineham
Pleasant GroTe
Huffman
Hunfcville
Irondalc
Jacksonville
Leeds
Lincoln
Lipscomb
Mobile
Montgomery
Mountain Brook
Northport
Notasulga
Opelika
Oxford
Ozark
Pell Cit>
Pbenw City
Piedmont
Pleasant Grnvr
Prattville
Huffman
Hunts vi lie
Birmingham
Jacksonville
Leeds
Lincoln
Birmingham
Mobile
Montgomery
Birmingham
Tuscaloosa
Notasulga
Opelika
Anniston
Ozark
Pell City
Phemi City
Piedmont
Pleasant Grove
Prattville
Prichard
Ragland
Reform
Selma
Sheffield
Spring Hill
Sylacauga
Talladega
Tallassee
Tarranl City
Troy
Trussville
Tuscaloosa
Tuscumbia
Tuskegee
Union Springs
Wetumpka
Whistler


                                                                        Mobile
                                                                        Ragland
                                                                        Reform
                                                                         Selma
                                                                        Sheffield
                                                                        Mobile
                                                                     .  Sylacauga
                                                                   .  .  Talladega
                                                                        Tallassee
                                                                     Birmingham
                                                                   . .  . .   Troy
                                                                        Huffman
                                                                     . Tuscaloosa
                                                                      .  Sheffield
                                                                       Tuikegee
                                                                    Union Springs
                                                                      Wetumpka
                                                                     .   . Mobile
                              OPERATING DATA
                   ALEXANDER CITY
         Akxasdcr City Municipal Cat Co. llrm iButunt-Air)
Municipal plant
Population. 7,000
Supplie-i. Andalusia.
(No detailed information available from city, data
  compiled from other sources.)

             ANNISTON
Alabina Cu Corporation 
1221 Noble St.
For officers  and directors, aee company's  report.
  Birmingham.
 Reprinted  with  permission of  Harcourt Brace  Jovanovich
 Publications  from  Brown's Directory.

Figure  A-2.   Sample  Page from Brown»s  1950-51  Edition.
                                      A-3

-------
   2    ALABAMA
           OPERATING GAS  COMPANIES
   Local mir.: E. H. MilUf.
   Calorific  value: Average, 1,028 B.t.u.
   Average specific gravity: .60.
   Cai  purchased trom Southern Natural Cas Co.
   Miles of  mains: 113.34;  3 in., equiv.
   Numbet  of services ID pound:  7,262.
   Annual sales:  1.450.070,000  cu.  ft.
   Sales divided.  Dom., 3595; com. and  indus., 64% ;
      space  heating, I'/i.
   Gas  unaccounted for: 4.67%.
   Population: 40,500.
   Number  of meters: Dom., 6,372, com. and indus. ,
      742; space  beating, 22.
      PRICE OF GAS: Sre rates for Alabama Gas Corpora-
   tion, Alabama Dry.. Birmingham
   Unit salrs of appliances, 1949:  678, all types.
   Company operates  one retail store.
   Supplies: Anniston. Blue Mountain and Oxford.
   Number  of employees: 55.

                      ATMURE
   City of Atmorc. Cm* Department (.VafiiraO
   Municipal plant.
   Administrators . Mayor H. H. Dees and City Council.
   Supt.: W. K. McConmco.
   Calorific value: 1,050  to 1,070 B.t.u.
   Average  specific gravity. .60.
   Miles of maim: 19, pressure, 10 Ibs.
   Number  ol sen ices in ground: 635.
   Annual salrs. 28.500.0OO cu. ft.
   Population.  District, 5,000.
   Number of consumers: Dom., 596, com., 149;  total
      745, including space heating, 85.
      PUCE or CAS: First 200 cu. ft., »1.25; next 3,800
   cu.  ft.. 13.80, nest 5.000 cu. ft., $4.50; next 5,000
   cu.  ft., 14.00. additional, 70c. per M.
   Company does not sell appliances.
   Supplies: Atmore, altitude  281 ft.

                       AUBURN
    Alabama Kmt Corp*raltos>
    N. College St
    For officers  and directors,  see company's  report,
      Birmingham.
    Local mgr.: Howard Higgins.
    Calorific value.  Average,  1,028 B.t.u.
    Average specific gravity: .60.
    Cas purchased from Southern Natural Gas Co.
    Miles of m«im;  22.35,  3  in. equiv.
    Number of services in ground: 1,214.
    Annual sales: 268.984,000 cu. ft.
    Sales divided: Dom, 49'/< , com. and indus. , 44%,
      space heating, 7M .
    Gas overaccounted for: 96%
    Population: District.  7,300.
    Number of meters. Dum . 1,564,  com.  and indus.,
      133, space heating.  26.
      PUCE OF  CAI.  See  rates for Alabama  Cas Cor-
    poration, Alabama  Div., Birmingham.
    Unit sales  of appliances, 1049:  88. all types.
    Company operates  one  retail store.
    Supplies: Auburn.
    Number of employees:  7.


                    BAY  MINETTE
    Bay MlB.ll. Natural CM Drpl. (Nmlurml)
    Municipal  plant.
    Calorific value:  1.070  B.t.u.
    Average specific gravity:  .60.
    Population: 2.000.
    Supplies: Bay Miaene. 300 customers (est. ).
    (No detailed information  available horn city, data
      compiled from other  sources.)
                 BIRMINGHAM

Alabama G«  Corporation,  Alabama VlvM.ii {Hml-
mrmlt
Watts Building.
Owned by Southern Natural Gas Co.
Directors:  C,  T. Chenery, Harold J. Mahnken, New
  York, Chas. B Gamble, J. N. Greene, C. P. Mather,
  C. van drn Berg, H. R. Derrick,  Raymond Bren>,
  Birmingham, Ala., Jesse L. Terry, Princeton, N. J.
Chni.: C. T. Chenery.
Vice chm.: C. van den  Berg.
Pres.: J. N. Greene.
Sec.-treav: Raymond Beeny.
Vin-|>re».: 11. K.  Derru.k, H  M.  Erskine,  C.  II
  Home, K.  A. Pur><-ar, jr.
Asst. sec.  and asst. trtas.:  Wm. II.  Kennedy, N. R.
  Kerredge. R. C. Wirtz, Elizabeth C.  Ham.
  PUCE OF NATURAL GAS: Available  to resident™,
individual family apartments and commercial estab-
lishments using less than 35,000 cu. ft. in  any day.
Gas service under this schedule shall  be through a
single point  of delivery  and such  gas shall not lie
resold. This  schedule is not available to  multiple
bousing projects. First 300 cu. ft.  or  less  per mo.,
(1.00; next 2,700 cu. ft., 95r. per M;  next 2,000
cu.  ft.. 50c.  per M; next  45,000  cu.  ft.,  45c. per
M;  next  50,000  cu. ft.. 35c. per M;  additional,
30c. per  M.  Minimum  monthly bill: $1.00. Pay-
ment: Bills for service rendered are payable within
ten days  from  due date,  and if  not paid  within
such  penod  become  delinquent  and  subject   to
charges as set forth  in  the rules  of  the  Alabama
Public Service  Commission.  Effective  Much  22,
1949.
Supplies:  Anniston, 7,136*, Auburn, 1,723*; Cads-
  den, 10,980*;  Heflin, 301*; Leeds, 761*;  Liu-
  coin. 117*;  MontKomery,  19,962*;  Nofasulga,
  177*; Opelika, 2,286*;  Prattville, 687*; Reform.
  264*;  Selma. 4,487*. Talladrga, 1,977*,  TUSCA-
  loosa. 8,933*; Tuskegee, 936*;  Wetumpka, 832*.
For operating statistics, see separate reports  for towns
  listed above.
* Indicates number of meters.

                 BIRMINGHAM
Alabama  Ca>  Corporation.  Birmingham  Dlrld.it
< M oaK/at-Urea* mud Nmtur*!)
1918-20 N. 1st Ave.; plant, 410 S.  10th St.
For officers and directors see company's report, Ala-
  bama Division, Birmingham.
Cas purchased: Natural gas,  8,864,814,000 cu.  ft.
  from Southern Natural Gas Co., Birmingham, coke
  oven gas. 6,706,157,000 cu. ft.  from Slo»s-Shef-
  field  Steel and Iron  Co.. Alabama By-Products
  Corp., and Woodward Iron  Co.
Calonnc  value: Avrraur, natural  gas, 1,028 B.t.u.;
  coke  oven gas, 524  B.t.u.
Average specific gravity: .4.
Gas holder  capacity:  Storage, 11,356,000 cu.  ft.;
  LP-Cas standby plant, 980,000 gals.
Miles of mains:  1.379.45; 3 in. equiv.
Number of services in  ground: 65,926; av. diam.,
  !',« in.
Annual sales: 15.202.161,000 cu.  ft.
Sales divided: Dom., 5,159.333,000  cu. ft.; com.,
   1.262.976.000  cu. ft.; indus., 8,554,932,000 cu.
  ft., heating. 224,920,000 cu. ft.
Maximum day's send-out.  86,490,000 cu.  ft.
Gas unaccounted  for: .67',;.
Population.  City, 318,500, district, 510,000.
Number of consumers:  Dom.,  77,980, com., 4.972,
  indus.,  136, heating.  689.
Number of meters: 83,777.
  PUCK OF  GAS. Schedule BM-1.  Residential. First
1,000 cu. ft. per mo., 8Oc. per M, next 3,000 cu. ft..
Reprinted  with  permission   of   Harcourt  Brace  Jovanovich
Publications  from  Brown's   Directory.
                                 Figure  A-2   (continued)
                                                 A-A

-------
         OPERATING GAS COMPANIES
                              ALABAMA    3
         Wit. per M, next 3O.INM) cu. (t., 4Oc. per M; addi-
         tional. 2Sc. per M  EH<-.tiM- March 22. 1949  Sched-
         ule BN-1. Residential, natural gas. First l.UOU cu. It.
         prr mo.. Ibt.  per C. uexl l.MH) cu. It.,  12c. per C.
         nrit 15.(K)0 cu (I., (k. IKT C. additional, 5c. per C.
         Effective March 22, 1949. The following  general pro-
         visions art- applicable In Schedules BM-1  mill  BN-1:
         Minimum nionllil>  liill: 7IH. Bills tint- ami payable on
         dale of bill ami delinquent lit days thereafter.
           Schedule BM-2. Optional. Available In residential
         customers  and at  the  o|Xiiin  al  (he  customers  for
         gas used in a central-firctl healing plant or it*  ctpiix -
         alcnl First lO.OOO in  t|  |H-i  inn.. -IV  pi-r M, in xl
         20.WM) iu. It., 35i  pi-r  M.  aililitiini.il.  25c  per  M.
         Effective  March 22. 1949. Stliediilc BN-2. Natural
         gas: first 5.000 cu. It. per mil., 9i  IHT C, next 10.00O
         cu. it., 7c  per C, addiliun.il, 5c per C. Effective-
         March 22, 19-19. Tlie following general provisions arc
         applicable to  Schedules BM-2 and BN-2. Minimum
         monthly charge: $2.00 lor tin- months of Novcmlicr
         to Apnl, inclusive,  which charge will  be accumu-
         lated  and credited  In  the  charge for  gun.  When
         thari.'t-''  l<" gas i"  "»X  <>'»•  season hnvr exceeded
         $12.00 no further minimum  chare will  he required.
         Bilk rendered monhtl>.  Tl«  terms  "month"  anil
         "monthl)" mean  the period lietweeii regular meter
         readings, which shall U- made us nearly us  practic-
         able every 30 da>s.
         Unit sain of appliances, 19-19.  Hand's,  1,985, re-
            frigerators, 864,  water healers,  856, miscellane-
            ous, 111.
         District has. three  retail stores.
         Supplies:  Bessemer, Birmingham, Brighton, Fair-
            field, Homewood. Irondale, Lipscnmh, Mountain
            Brook, Tarrant  Cil>.
         Number  of employet-.:  6O4.
                           BIRMINGHAM
          Afti Cm* C*a«pan>, Inc. (fialurmD
          Watts Building. Biranniiham, Ala.
          Snbiidivy of Soutliern Natural Cas Company, Watts
            Building, Birmingham, Ala.
          Com. of bd.: C. T. Chrnery.
          he*.: C. P. Rather.
          Vice-pres. and sec.: H. D. McHt-nry.
          Vire-pres.: H. H. Ulnch anil H. M. Erskmc.
          Aut. >ec.: R. C. Kenan.
          Treas. and rompt.: H.  E. Jackson.
          Aut. treas.: Loren Fitch and Langslon W MiCallry
          Calorific value: 1,025 B.t.u.
          Average specific  era\ity: .620.
          Miles of mains: 34.23.
          Annual tain. 1,372.240,000 cu. it.
          Numher of mrters.  12.
          Cai is sold to Gulf Public Servire Company,  Nalchi-
            toches. La., and Mansfield, La., and Sabme Cas
            Co., Rushton.  La.
                           BIRMINGHAM
          SMlhera Nalnral CM Co. tHmlurmlt
          Watts Bldg.. P. O. Box 2563.
          Directors: C. T.  Chenery,  H. M  Ersl.me. Edgar  C.
             Hill and Beverly Bogrrt.  New York; William  H.
            Hemmel, Pittsburgh, Pa.; Basil Manly, Washington,
             C. van den Berg. C. P. Rather,  H.  D. Mi-Henry,
             H.  H. Ulrich  and J. N. Greene, Birmingham.
           Chm of bd.: C.  T. Chenery. New York.
           Vice chm of IK!.. C.  van  den Berg.
           Pres : C. P. Rather.
           Vice-pres. and sec.: H. O.  McHenry-
           Vicr-pres..  R. H. Ulrich, Basil  Manly, H. M.  Er-
             fkine, R  H. Burdick and  J B Milmoe.
           Treas. and compt.: H  E  Jackson.
           Asst  iec   Rol>rrt C.  Kenan  and P.  S   Conlon,
             Birmingham, and E. C.  Ham,  New York.  N.  Y.
           Asst. treas.: Loren Fitch,  Lcngston  W. McCalley
             ud  W. U. Jahnel.
Chief engr.. R. 11. Burdick.
Pipe line supt.. O. A. Tooley.
Sales mgr.: j. B. Milmoe.
Supt. of operations: J. \V. Yeldell.
Supt measurements: C  E. Terrell.
Statistician: W. T. Key.
Kate engr.: Marc  Baum.
Pur. agt.:  J. D. Kenned).
Gas  purchased  from following companies.  United
  Carixm  Co., Charleston,  W. Va.;  United  Cas
  Pipe  Line  Co.,   Shrrvepurt, La.;  Hope  Pru-
  iliuing  Co.. MonriK. La.. Interstate  Natural  Gas
  (.<>.. 1m . MniiriM-. l.a .  Suuthern  Pnuliuliitn  Cu .
  tin , Shretcpnrl. La.. Tin Suix-nor Oil Co, Hous-
  ton. To.,  Humble Oil Co.,  Houston, Tex., Mag-
  nolia Petroleum Co.. Dallas, Tex., S.  W. Richard-
  sim. Furl Worth,  Tex., Sun Oil Co.,  Dallas, Tex.;
  anil others.
Gas purchased.   120,925,714,000   cu. ft.  (8  s-
    tem, Vicksburg. Miss.
  Miles of  gas pipe line, total as of January 1. 1950.
    2.217.3  miles;  size (outside  diameter)  24 in..
    130.4  miles. 22 in 451.1  miles.  20 in. 218.1
    miles,  18 in.. 62.5 miles,  16 in.. 86.7 miles,  14
    in.,  130.0 miles. 12). in.  349.3 miles. 10V in..
    202.0  miles.  8% in.. 181.1 miles,  6S in.. 251.7
    miles; 4'.7 in., 139.4  miles, 34 in.,  10.8 miles,
    2H  in., 4.2 miles.
  Miles of  gas pipe field lines included in  total above
    68.80  miles, size (outside diameter)  22  in..  .15
    miles, 18 in., .31 miles, 12%. in., 6.84 miles, 10).
    in.. 3.15  miles;  8*» in.. 9 00 miles.  6\ in.,  32.34
    miles; 4',-: in.,  16.12 miles, 34  m., .44  miles,
    2\ in., .45 miles.
  These figures include multiple river  crossing lines
    and parallel hues.
  Num!>er of  compressor stations: 14. 104,170 hp.
  Number of  employees. 720.


                     ME« TON
          Ga.  Offl.
  Municipal plant.
Reprinted   with  permission  of  Harcourt  Brace  Jovanovich
Publications  from  Brown's  Directory.

                                   Figure   A-2   (continued)
                                                   A-5

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DESCRIPTION OF VARIOUS MANUFACTURED GAS TYPES

         This part briefly describes the various manufactured
gas types and their distinguishing characteristics.   There are
three different major types of manufactured gas:

         1.  Coal
         2.  Water
         3.  Oil

Manufactured gas can also be sold as a mixture of the above
gases.  These three types are distinguished by their composition
and respective processes of manufacture.  This study is primar-
ily concerned with coal and water gases because the  large major-
ity of manufactured gas consists of these two types.  Each gas
type is described separately below.

Coal Gas

         Coal gas is produced from the heat treatment of coal in
a closed vessel, or retort, a process known as carbonization.
This process produces a combustible gas comprised mainly of
hydrogen and methane which has a typical heating value between
400 and 550 British Thermal Units (BTU)/cubic foot.   The primary
by-products that result from carbonization are coke, tar, and
ammonia.

Water Gas

         Water gas was usually used to supplement the production
of coal gas in order for gas manufacturers to meet cyclic
demands.  Water gas is produced from passing steam (thus the
term "water gas") through hot coke to form a gas comprised
                               A-6

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mainly of hydrogen and carbon monoxide.  Heat treatment of coke
or oil to produce gas was known as gasification, whereas carboni-
zation referred to the heat treatment of coal.  Water gas
typically has a heating value of approximately 300 BTU/cubic
foot and is non-luminous (i.e., it has negligible illuminance
when combusted) due to the lack of rich hydrocarbons.  Because
town gas was used primarily for lighting purposes in the 1800s,
it was desired to "enrich" the water gas, usually by the addi-
tion of gas produced from the cracking of oil, to form "carbur-
etted water gas".  The oil gas, having a higher heating value
(approximately 1,700 BTU/cubic foot) and hydrocarbon content
than water gas, resulted in a gas mixture that was comparable to
coal gas (in terms of heating and illuminating values).  The
carburetted water gas was also amenable to the same purification
processes as coal gas although less coke, tar, and ammonia pro-
duction were characteristic of water gas production compared
with coal gas production.

Oil Gas

         Gas produced from oil as the main raw material was less
commonly used compared with coal and water gas due to the rela-
tively high cost of oil gas production.  As described above, oil
gas was typically used to enrich water gas.  Oil gas was usually
produced from the thermal cracking of oil, a process known as
oil gasification.  The cracking was achieved by the spraying of
oil via a carburettor (thus the term "carburetted water gas")
onto hot brickwork or a bed of selected catalyst.  The primary
by-products resulting from oil gasification were typically oil
derivatives, tar, and naphthalene.

         Additional discussion of the manufacturing processes
and gas types may be found elsewhere (Reference 3).
                               A-7

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DESCRIPTIONS OF VARIOUS WATER GAS PROCESSES
(FROM BROWN'S DIRECTORY)

         This part contains descriptions of water gas processes
copied from the 1890 edition of Brown's Directory of American
gas Companies.  The intent of presenting this is to give the
reader a better understanding of the kind of material that is
available and was used in this survey.   The following
reproductions contained in the remainder of Appendix A,  which
are copyrighted, are used with the permission of  Harcourt Brace
Jovanovich Publications, the publishers of Brown'? Directory of
American Gas Companies.
                             A-8

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                       EXPLANATIONS
       Various  "Processes"  Mentioned  in  this  Work.

    For the information of those seeking further knowledge of the methods simply designated dv
the names  of systems following "Process of M«uufacture" as used in this work, ire  rto>
herewith a brief  outline of  the character of the sev^rnl principal  processes.  Such  ilescn|>-
u'ons. however, are of the water gas pnxw** only. «.« from '.he great uniformity in the proce-*o
of coal and oil gas manufacture no detail description of the differences could be made without *n
undue elaboration of the subject.
    It should be borne in mind that there are three distinct systems of water gas manufacture.
Tix.:
    1st. Generator-superheater type, in which water gns is made, and enriched and  fixed all in
one apparatus, internally fired.                             "
    id. Generator-retort type, iu which water gas is made in internally fired generators, but en-
riched and the product fixed in a second and separate apparatus i usually retorts internally fiml)
and in  a second operation.
    3d. Retort type, in which water gas is made and enriched entirely in special (usually verti-
cal) retorts externally fired. •
    We give a brief description of the several leading forms of apparatus, arranged alphabetically,
as below.
    For more extended  information we would recommend consulting of Progressive Age for
Nor. 1st, 1889 (article " Illuminating Water Gas." by >fr. F. H. Shelton), and " Water Ga* in the
United States," by Alex. C. Humphreys, M. £., published by Progressive Age Publishing Co..
18 Broadway, New York, bound book form, price $1.00.
                    GENERATOR-SUPERHEATER PROCESSES.


    Invention of Joseph Flannery, controlled and built by the Bay State Gas Company of Boa-
 ton, Mass.  Distinctive features are the placing of the  generator and superheater in a wrought
 rectangular shell (in place of the usual cylindrical shells), building the same in pairs, and passing
 the enriching oil through a long vaporizing retort before admlwon to the superheater.
    First Flannery Works built at Middletown, Pa., in  1881.  Since introduced on a large scale
 in the Standard Gas Light  Co.'s Works, New York, Bay State Co., Boston, etc.  Total  plants
 erected about fifteen.
    Invention of A. 0. Granger and Jos. H. Collins, Jr.  Controlled and built by The United
 GM Improvement Co. of Philadelphia.  Distinctive  featum are the  location of the genera-
 tor below floor level, or in a pit,  with superheater taping generator, in order to gain advan-
 tages of cupola siugle shell type of construction, and yet retain complete access to generator, and
 the introduction of th« oil in form of spray under high pressure, at ba»e of superheater.  Designed
 for convenience of operation, small floor space, and chiefly for the use of naphtha.  Total plants
 erected about fifty.

 Reprinted with  permission  of  Harcourt Brace  Jovanovich
 Publications  from Brown's  Directory.


         Figure  A-3.   Description of  Processes  from  Brown \s

                                        A-9

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BjJOOK-LlkDUET :
    Invention of John Banlon and           Leadley.  Controlled by the United Cod tad
OO Gaa  Co.. New York.  Distinctive feature a the use of two or three generators on a com-
mon connecting base.  In making water gas steam is passed down one generator and op the nest,
and this course reversed the next and alternate runs.
    This process hat become more or less celebrated through  the recent patent right litigation be-
tween its promoters and the owners of the Lowe patents. resulting in a victory for the last namwd
parties.
    Previously to this some fifteen plants had been erected, the first at  Passaic. N. J.. in 1864 ;
the largest for the Philadelphia Gas Bureau, capacity 6,000,000 per diem.
LOO MM:
    Invention of Burden Loomis.  Controlled by the Loomis Gas Machinery Co., Philadelphia,
Pa.  This apparatus  as  built  for illuminating gas,  chiefly distinctive in  the use of soft  coal in
generator-— with  a downward blast or exhaust draught, and peculiar filling of superheater for
caring for the soot  and ash from  the use of soft coal.   Built in rectangular wrought shell.
First plant erected at Cottage City. Mass., 1SW.  Since then about six others of thin form.
    The Loomis  system  as now pushed by its promoters is  for an apparatus chiefly for fuel gas.
This form consists of but a simple generator to make "producer gas," and non-illuminating fuel
gas.  This, if desired for  Uluminatiou, is afterward*  passed through retorts and enriched and fixed,
as in the next class of water gas apparatus.  A number of plants of this form have heen erected,
almost entirely, however, for industrial manufacturing purposes, such as mills, iron working
establishments, etc.

Low*:
    Invention of Prof. T. 8. C. Lowe.  Controlled  and built by The Unitwl Gas Improvement
Co., Philadelphia, Pa.  Distinctive features of this process* are the use of ay generator in connec-
tion with a superheating or fixing chamber, fired by the internal combustio  of  the gases formed
in " blowing up" the generator : also the introduction  of oil, or  other enriching substances into
the hydrogen gas, and the fixing of the two by passage through  the superheater : also the use of
the superheater fur superheating steam if desired.   This process has lately been upheld at length,
in the courts, as a base patent prooevs covering the generator-superheater system of water gas
manufacture.
    The Lowe apparatus has been built in various forms, of one principle, but differing in design
and detail.  (Double deck, " Gooseneck," Chicago, " Humphreys," Double superheater, etc. ) JLt
now built it is perhaps the ouly apjtaratua satitfactorily handling crude Lima oils, or distillates,
etc., for high candle power fixed ga*.  Hits type of  apparatus is adapted to the largest nr smallest
 works, and has been erected In about  123 throughout the country.  First works  operated  in 1874,
in Phcenixville, Pa.
     Invention of Peter English, but commonly known under the name of McKay-Cr-ichiow,
 from its UM in connection with the patent of that name, for the carbureting of natural gas.  Con-
 trolled by Tbe United Gas Improvement Co.  Distinctive feature is the use of a sinele  vertical
 •hell, with superheater in upper half — generator in lower— separated by solid arch.  Case* pass
 around same, through suitable flues, from generator to superheater.   For use to enrich  natural
 gas steam is partially replaced by natural gas, which is decomposed and enriched and fixed, as in
 making water  gas.   First plant  erected in Londou, One.  1882.   Total  plants  erected  about
 forty.
     Invention of Thomas Martin.    Controlled by Wni. Henry \Thite, Xev York.   Distinctive
 feature is the introduction of the  oil in an expansion of the connection between generator and
 superheater.  Otherwise, almost identical with "Gooseneck " early Lowe form.   Four plants of
 this form have been erected.

 Reprinted with permission  of  Harcourt  Brace Jovanovich
 Publications from  Brown's  Directory.

                             Figure  A-3  (continued)

                                         A-10

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Purr
    Invention of Messsn. Pratt &  Ryan, of Chicago.  Controlled by the same.  Diktinctiv.
feature is the generator and superheater in single vertical shell ia» in McKay and Spring*n.  i,Uilt
in pain, for  reversing  course  of steam in alternate  runs, and  the introduction of .the oil
through cored Are brick arches in the superheater.  Some five plants hare been erected  of Ui»
form.
8PR15OCK:
    Invention of T. 6. Springer.   Controlled  by the National G*a Light  and Fuel Co..  of
Chicago.  Principal features are the combination of the generator and superheater in one verti-
eal shell, commonly called the  " cupola" form, to conserve floor space and radiation.  Lat»r
forms of this  apparatus are fitted with external  flues, etc., to rererse the course of flow of sn;-»
through the Apparatus.  Oil is  admitted by  !.t**m jet  First  plant  erected  in Chicago, is-2
Total plants erected about fifty, chiefly in the West and Mississippi Valley territory.

VA.T STEEMCKOH :
    Invention of B. Van Stetnburgh, New York, by whom controlled.  Distinguish ing feature
it the use of space abov» coal in  generator for superheater, by interposition of fire brick tilt; or,
in other words, making water gas all in  one chamber.  Adapted for naphtha only.  Some dozeii
plants or so of this form were erected in the Muddle.States'from 1SS1 to 1889.
                           GENERATOR-RETORT SYSTEM.
EDOERTOS •.
    Invention of H.  H.  Edgerton,  Dan bury,  Conn., by  whom controlled.  Distinguishing;
feature of this process is the us* of vertical  retorts for the enriching (by the addition of oil), ami
fixing of water gas, passed thrt ^h them ; which retorts are externally fired by the gases formed
in blowing up the generator . Jr making the  water gas.  Some four or five plants hare been
erected of this form.
ETA*!:
    Hardly a distinct process, but rather a combination of coal and water gns apparatus.  Coal is
carbonued in an ordinary bench of retort*.   The coke when withdrawn is charged into genera-
ton, located near by, in which non-luminous water gas is made.  The mixture of water gas ami
eo»l gas is practically non-luminous, and is sold for fuel gaa.  WLen desired for illumination an
incandescent burner is necessary.  This " process "(is in use in but one or two places only.
    Invention of E. J. Jerxraauowaki.  Controlled by U. S. Equitable Co., New York City.  This
 system  is, strictly speaking, a cross between this and the preceding type of water gas manu-
 facture, as the primary generating apparatus consists of a generator and (being chamber (filled
 with limestone) with blasts, steam and oil inlets, aa  in the Lowe process.  In this  a gas  of mod-
 erate candle power is made, which is afterwards led off, passed over oil vapors, and finally fixetl
 by passing through retorts externally fired. _ This process is in use on a  large scale in New York.
 Chicago, Baltimore, etc.  Limited to the use of naphtha, and best adapted to large works.
    Invention of - Meeie, of England.  Controlled by the International Gas  Co.,
 York.  In this system non-luminous water gas is made in generators, independently — aa in all of
 this class.  Oil pa is made separately in  retorts of peculiar construction, and the water gas ad-
 mixed with same,  at that point, or beyond.  This process has been introduced  in some three or
 four works only.

 Reprinted  with  permission  of Harcourt Brace Jovanovich
 Publications from Brown's  Directory.

                              Figure  A-3  (continued)

                                         A- 11

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TtSBtS DC MOTAT:
    Invention of M. Teasie du Motay, of France.  Controlled and built by the Continent*] Iron
Works. Brooklyn, N. T.   Distinguishing features of this process are the making of a non-lumin-
ous w»t«r gas in generator* (gasogvnesj which is afterwards passed  over oil vapor*, and thence
through retorts for fixing.  This while malting an excellent and uniform grade, limits to the  use
of naphtha or other volatile oils—« disadvantage as compared with the use of crude Lima oils, at
the present day. This process sometimes called the " Municipal,'"from its first use by the com-
pany of that name in New York in 1875. is best adapted to large works. It is in use in New York.
Brooklyn and three or four other points.

WUX2KBO5:
    Invention  of Dr. Wilkinson.   Controlled  and built by Bartlett,  Hayward 
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                           Appendix B

        IDENTIFICATION OF TOWN GAS MANUFACTURING SITES -
                    ALL PLANTS (1890 - 1950)

         This appendix contains the detailed data concerning gas
production, by-product production, and manufacturing processes
reported for each decennial year for each plant.  The following
explains the information included under each column heading of
the table:

         Citv - This column heading contains the city name in
which the reported plant is located.  The cities are arranged
first by chronological order (based on the first decennial year
in which the site was found in Brown's) and then alphabetically
by city name.  As mentioned above, there is almost always a
one-to-one correspondence between city entries and plant sites.
There were, however, instances where several sites were listed
under a single city entry.   This was usually a result of
consolidation of nearby plants that were listed separately in
previous years.  Thus, these previously listed plant sites are
separately included in the total site tally (see Table 1).
Although local addresses were reported in later editions of
Brown1sf these were not included because the reported address
did not necessarily refer to the plant site (the address may
refer to non-manufacturing locations; e.g., main office).

         Year - This column lists the decennial years for which
data were compiled (from 1890 to 1950).  These years are
repeated for each city entry.

         Status - The symbol in this column (refer to legend)
indicates the status for a particular year.  The possibilities
are that the plant (in that year):
                               B-l

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         1.   Manufactured gas (*),
         2.   Purchased gas (P),
         3.   Only supplied natural  gas (H),
         4.   Did not report data,  or no information was found
              (0),
         5.   Discontinued operation (X),  or
         6.   Was not yet in existence (blank);  e.g., under
              construction

         Once it was determined that a plant  was a natural gas
supplier, solely a purchaser of gas, or discontinued gas manufac-
turing operations, data for subsequent years  were not compiled.
This is indicated by a "-" under the status column.

         Gas Type - The entry under  GAS TYPE  indicates the
specific type of manufactured gas:   coal,  water (or carburetted
water), oil, or other.  The definition of each gas type is given
in Appendix A.  It is possible that  more than one type of gas
was produced; this is indicated by  multiple entries under GAS
TYPE separated by commas.  For example, the entry, "C,Wrt, means
that both coal and water gas were produced that year.

         The gas type was usually either specified in the
reported annual production or determined from the listing of
process of manufacture.  For example, the use of the Lowe pro-
cess almost invariably indicates the production of water gas.
When the gas type could not be determined from the available
information, a "?" was entered under GAS TYPE.  Occasional
inconsistencies were found between  the annual production and the
process of manufacture information  reported in Brown's.  These
were attributed to the subjective nature of the surveys, on
which the reported data were based.   In these cases, the annual
production information was considered more reliable than the
reported process of manufacture.
                               B-2

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         Gas Production Rates - Annual gas productions are
reported separately for coal, water, oil, and other types of
manufactured, gas in units of million standard cubic feet under

this column (rounded to the nearest MM scf).  The production for
carburetted water gas, which is essentially enriched water gas

(see Appendix A), was included in the water gas column.  "Other"

types of manufactured gas usually referred to coke oven based
gas.  The sum of these productions for a particular plant is

also shown for each year.  This sum, however, does not include
values enclosed in parentheses or brackets, which are discussed
next.  Whenever production data were not reported in Brown'ST
the following information was reported instead (listed in order

of decreasing reliability):


         1.   Annual sales - This is usually equivalent to the
              annual production unless the company consumes
              (within the plant) or purchases significant
              amounts of gas.

         2.   Half of the maximum yearly output - The annual
              production can be estimated as 180 days/year times
              the maximum daily sendout, or one-half of the
              maximum annual output.  This is based on a rule of
              thumb reported in Brown's.  This estimate is shown
              in square brackets and is not included in the
              totals or average productions.

         3.   Population served - The annual production can  be
              roughly estimated as one million cubic feet/1,000
              of population served based on a judgment of the
              correlation between population served and gas
              production.  This estimate is shown in parentheses
              (in units of 1,000 of population or million cubic
              feet of gas) in Table B-1 and is not included  in
              the total or average productions.  This informa-
              tion is reported only when the above data were
              unavailable.

Where none of the above information was available, a "?" is

shown under this column.
                               B-3

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         Occasionally,  only one production was reported in
Brown's although it was determined that more than one gas type
was being produced (almost alw_ays coal and water gas),as indi-
cated in the GAS TYPE column.   In these cases, it was assumed
that coal gas was produced and the production was entered in
this column.

         Gasifier/Process - The process of manufacture or gasi-
fier type is shown in this column as reported in Brown's.  Due
to the variety in water gas processes (See Appendix A), the par-
ticular water gas process was  usually specified whereas details
regarding the manufacture of coal gas were reported infre-
quently.  The indication of a  particular process does not
signify that only the associated gas type is produced; the gases
that are produced are shown in the GAS TYPE column.

         Bv-Product Production Rate - The amounts of coke, tar,
ammonia, or other by-products  of concern are reported separately
under this column.  The sum of these by-product productions for
each year was not calculated because each type of by-product
production is reported in different units (refer to legend for
corresponding units).  As can  be seen from Table B-1, such data
were not available in Brown's  until 1920.  For a significant
portion of the plants,  the amounts of by-product made and sold
were reported (most frequently for coke).  In these cases, the
net amount (difference between by-product made and sold) is
reported (in parentheses) because it is this unaccounted for
amount that is important in this study.  When the amount sold is
greater than the amount made,  a "(-)" is shown.  Such negative
values can be attributed to sale of by-products produced either
in other years or from non-gas manufacturing operations.  The
net values are not included in the calculated average.  Unsold
by-products are the materials  that may have become wastes and
disposed of.
                               B-4

-------
         Miscellaneous Information - Information typically shown
in this column includes details of "other" types of gases or
by-products, consolidations of companies,  multiple sites., and
unconventional feedstocks.

         Average Productions - The average production rates
shown in the last line of data for each plant are the calculated
average values of the plant data reported  directly above.  Esti-
mated gas production (as indicated by parentheses or brackets)
or net by-product productions were not included in these
calculated average values.

         It should be noted that these values are averaged for
only the years in which production of each particular type of
gas was produced.  The calculations used to arrive at these
values were discussed in the subsection explaining Table 2.
                               B-5

-------
STATUS
COMPANY
GAS TYPE
                      LEGEND FOR TABLE B-1
         * - Manufactured gas for that year
         X - Discontinued/Out of business that year
         0 - Not found for that year
         C - Consolidated with another company (see comments)
         N - Natural gas supplier for that year
         P - Gas purchased from another firm that year
         "    - "City name"
         G    - Gas
         E    - Electric
         F    - Fuel
         L    - Light
         H    - Heat
         P    - Power
         Mfg  - Manufacturing
         Co   - Company
         C - Coal gas
         W - Water gas
         C₯- Carburetted water gas
         0 - Oil gas
         N - Natural
GAS PRODUCTION RATE
          #  - Production rate of gas in million standard cubic
               feet (MM scf)
         (#) - Population served in 1,000 (reported when
               production unavailable)
             - Production rate estimated from 1/2 of maximum
               output (MM scf)
GASIFIER/PROCESS

         F
         G
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         J
         JCB)
         J-L
         K
Flannery
Granger
Hanlon
Jermanowski
Jermanowski (baby)
Janeway-Logan (Oil)
Kendall (Oil)
                               B-6

-------
                LEGEND FOR TABLE B-1 (continued)
GASIFIER/PROCESS (Continued)

         M-C  - McKay-Critchelow
         P    - Patton (Oil)
         S    - Springer
         S-G  - Smith-Goldthorpe
         V-Si - Van Sickel (Oil)
         V-St - Van Steenburgh
         W    - Wilkinson

BY-PRODUCT PRODUCTION RATE

Coke    -ax 1()3 tons of coke produced that year;
         (a)x 103 tons of coke unaccounted for that year
         (calculated as coke made minus coke sold).

Tar     - b x 1C)3 gallons of tar produced that year.

Ammonia -ex 10^ ibs of ammonia produced that year.

Other   - Amount of by-products, other than above, produced and
          reported that year (see MISCELLANEOUS INFORMATION for
          more details).
                               B-7

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                                TECHNICAL REPORT DATA
                         /Please read Inunctions on the reverse before completing)
. REPORT NO. 2.
EFA-600 77-85-004
4. TITLE AND SUBTITLE
Survey of Town Gas and By-product Production and
Locations in the U. S. (1880-1950)
7. AUTHOHISJ
Robert Eng
9. PERFORMING ORGANIZATION NAME AND ADDRESS
Radian Corporation
7655 Old Springhouse Road
McLean. Virginia 22102
13. SPONSORING AGENCY NAME AND ADDRESS
EPA, Office of Research and Development
Air and Energy Engineering Research Laboratory
Research Triangle Park, NC 27711
3. RECIPIENT'S ACCESSION NO.
9. REPORT DATE
February 1985
6. PERFORMING ORGANIZATION CODE
8. PERFORMING ORGANIZATION REPORT NO.
10. PROGRAM ELEMENT NO.
11. CONTRACT/GRANT NO.
68-02-3137
13. TYPE OF REPORT AND PERIOD COVERED
Final; 5/84- 8/84
14. SPONSORING AGENCY CODE
EPA/600/13
is. SUPPLEMENTARY NOTES AEERL project officer is William J. Rhodes, Mail Drop 62- B,
919/541-2853.
is. ABSTRACT
                    gives data compiled from available literature identifying plants
 that manufactured town gas from fossil fuels (e. g. , coal, oil) and which existed in
 the U. S.  from 1889 to 1950. The results are the first  step of a preliminary study to
 investigate the fate and potential environmental impact of by-products (e. g. , tar)
 from the manufactured gas industry. A list of gas manufacturing sites and company
 names was compiled by reviewing published gas statistics.  It is estimated that more
 than 1, 500 manufactured gas facilities existed from 1889 to  1950. In addition, avail-
 able gasifier/process information and gas and by-product production data are repor-
 ted. Based on these data,  a rough (order of magnitude) estimate for the toyal produc'
 tion of tar by the U. S. manufactured gas industry was developed. It is estimated that
 about 15 trillion cu ft of gas was manufactured in the U. S. from 1880 to 1950, resul-
 ting in the production of 11 billion gal. of tar as a by-product. Of this estimated tar
 production,  some tars were consumed at the plant site or sold and any excess dis-
 carded. Excess quantities of other by-products, such as coke and ammonia,  may
 have been disposed of also. However, this study focused on tar because it is consi-
 dered the more  potentially significant waste disposal problem. The explanations and
 assumptions used in compiling the data are  also discussed.
17. KEY WORDS AND DOCUMENT ANALYSIS
a. DESCRIPTORS
Pollution
Manufactured Qas
Fossil Fuels .
Tars
Coal Gasification
Fuel Oil
13. DISTRIBUTION STATEMENT
Release to Public
b.lDENTIFIERS/OPEN ENDED TERMS
Pollution Control
Stationary Sources
Town Gas
19. SECURITY CLASS (This Report)
Unclassified
20. SECURITY CLASS (This page 1
Unclassified
c. COSATi 1 icld/Group
13B
21D
07 C
13H
11H
21. NO. OF PAGES
464
22. PRICE
EPA Form 2220-1 (»-73)
B-404

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