2006 Inventory Update Reporting: Data Summary
The U.S. Environmental Protection Agency (EPA) is presenting for the first time a report on
the 2006 collection of chemical data under the Toxic Substances Control Act (TSCA) In-
ventory Update Reporting (IUR) rule. The IUR is a periodic regulatory collection of specific
information on chemical substances listed on the TSCA Inventory. This document provides
a summary of the chemical manufacturing, processing, and use information, as reported
for calendar year 2005.
Overview—Read about why EPA produced this report for the first time and
the summary of what was collected in 2006.
Introduction —Find out more about the TSCA Chemical Substance Inventory,
the Inventory Update Reporting program, and the release of the 2006 IUR
database.
Use of the IUR Data—Learn about EPA's current use of the 2006 IUR data
and the factors and assumptions to consider when using the data.
Data Analysis and Key Findings—This section provides a summary of
specific information reported under the 2006 IUR. It presents key findings
from the data, including detailed analyses with supporting tables and graphs.
Next Steps—Find out about EPA's plans for future IUR data releases and for
the 2011 IUR collection.
Office of Pollution
Prevention and Toxics
EPA 740S08001
December 2008
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Overview
The 2006 Inventory Update Reporting: Data Summary is an overview of the chemical
manufacturing, processing, and use information collected in 2006 under the Inven-
tory Update Reporting (IUR) rule. Manufacturers and importers1 provided informa-
tion on the chemical substances they manufactured in or imported into the United States
in amounts of at least 25,000 pounds at a site during the 2005 calendar year.
This report provides an overview of the 2006 IUR
data and includes summary information and
supporting tables and figures developed from the
data2. A non-confidential collection of the 2006 IUR
data is available on the IUR Web site (www.epa.
gov/iur). The Web site also includes non-confiden-
tial production volume and company identity data
collected during previous reporting cycles.
The 2006 collection represents the first time that
the U.S. Environmental Protection Agency (EPA)
collected information on the processing and use of
organic chemical substances. This reporting was in
addition to the production volume information col-
lected in previous reporting cycles. This collection
also marks the first time that manufacturers were
required to report manufacturing information on
inorganic, as well as organic, chemical substances.
Exhibit 1 presents an overview of the 2006 IUR col-
lection.
In 2006, a total of 3,827 sites3, representing 1,541
companies, reported information on 6,200 chemi-
cals. More than 95 percent of the total production
.xamples of Reported Uses:
Formulating chemicals into inks
Incorporating chemicals into children's toys
Using chemicals as intermediates
volume reported is manufactured in the United
States. For organic chemicals manufactured in
quantities of 300,000 pounds or greater at a given
site, submitters also reported downstream uses.
These submitters reported nearly 1 trillion pounds
of organic chemicals. The 2006 IUR data contained
industrial processing and use information that
accounted for 72 percent and commercial and
consumer use information that accounted for 22
percent of the nearly 1 trillion pounds.
The IUR rule follows the Toxic Substances Control Act (TSCA) definition of "manufacture" which means to manufacture, produce, or
import for commercial purposes. Throughout the rest of this report, the term "manufacture" will include import (and "manufacturer"
will include importer). The term "domestically manufactured" will exclude imported volumes.
This summary is based on version 1 of the 2006 IUR database. This version excludes approximately five percent of the number of
chemicals submitted due to significant problems with the chemical identifications.
For the purposes of IUR, EPA defines a "site" as the physical location where a chemical substance is manufactured, processed, or used
or the physical location (including a business office) that controls the chemical's import.
2006 Inventory Update Reporting: Data Summary
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Overview
Exhibit 1. 2006 IUR Data Overview
IUR Submissions*
Companies Reporting
Sites Reporting*
Unique Chemicals Reported
Chemicals Reported as Domestically Manufactured**
Chemicals Reported as Imported**
Total Reported Domestically Manufactured Production Volume
(billion Ib)
Total Reported Imported Production Volume (billion Ib)
Total Reported Production Volume (billion Ib)
Organic Chemicals Reported
Chemicals with Reported Process/Use Information
% Production Volume with Reported Process/Use
Information***
Chemicals with Reported Commercial/Consumer Use
Information
% Production Volume with Reported Commercial/Consumer
Use Information***
Inorganic Chemicals Reported
4,107
1,541
3,827
6,200
4,834
3,162
26,086
833
26,919
5,546
2,993
72
2,118
22
654
* Under IUR, companies submit a Form U reporting all subject chemicals manufactured on a site-specific basis.
Some companies submitted multiple Form U's for each site; therefore, the number of submissions is greater than
the number of sites.
** The counts for "Chemicals Reported as Domestically Manufactured" and "Chemicals Reported as Imported" also
include any chemicals that report both domestic manufacturing and importing activities; therefore, adding these
rows results in more than 6,200 chemicals.
*** Partially exempt petroleum process streams accounted for seven percent of the reported organic chemicals.
Because reporting of processing and use information was not required for partially exempt chemicals, they were
excluded from these calculations. Note that although inorganic chemicals were also partially exempt, EPA did
receive some processing and use information for those chemicals; the associated inorganic production volume was
not included in these calculations, which pertain to organic chemicals only.
2006 Inventory Update Reporting: Data Summary
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Introduction
What is Inventory Update Reporting?
nventory Update Reporting (IUR) is a periodic collection of information on the chemical
substances currently in commerce. Manufacturers are required to submit information
on the chemical substances that they domestically manufactured or imported into the
United States and that meet certain reporting requirements, which are described in this
chapter.
Why is IUR Information Collected?
The Toxic Substances Control Act (TSCA) Section
8(a) authorizes EPA to collect certain information
on chemical substances manufactured or pro-
cessed in the United States. In 1977, EPA promul-
gated a rule under TSCA Section 8(a) to compile an
inventory of all chemical substances in commerce
in the United States. This inventory is called the
TSCA Chemical Substance Inventory, or the TSCA
Inventory; it lists chemical substances that have
been domestically manufactured and imported
for commercial purposes into the United States.
Through the IUR, the Agency obtains a periodic
collection of information on the more than 83,000
chemical substances currently listed on the TSCA
Inventory.
Chemical substances are added to the TSCA
Inventory after a manufacturer has submitted a
Premanufacture Notification (PMN), satisfied the
requirements of TSCA Section 5, and filed a Notice
of Commencement (NOC).4 Chemical substances
not on the TSCA Inventory can only be manufac-
tured, processed, or used for a commercial purpose
in the United States if the chemical substances
are exempt or otherwise excluded from the PMN
requirements.
Definition:
Chemical Substanc
TSCA defines the term chemical substance as
any organic or inorganic substance of a particular
molecular identity, including: (i) any combination
of such substances occurring in whole or in part
as a result of a chemical reaction or occurring
in nature, and (ii) any element or uncombined
radical.
The TSCA Chemical Substance Inventory includes
only those chemicals that meet the TSCA definition
of a "chemical substance"; chemicals used solely
for certain applications, such as cosmetics, drugs,
or pesticides, are excluded from the definition
of a chemical substance. Dual-use chemicals, or
chemicals that have both a TSCA and a non-TSCA
use, may be included on the TSCA Inventory for
their TSCA use. For more information on the TSCA
Inventory, visit EPA's New Chemicals Program Web
site (www.epa.gov/oppt/newchems).
What is the History of IUR?
EPA implemented the IUR program following the
promulgation of the first IUR regulation in 1986.
The first IUR information collection required
4 For additional information on the Premanufacture Notification process and other aspects of the New Chemicals Program, please visit
www.epa.gov/oppt/newchems.
2006 Inventory Update Reporting: Data Summary
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Introduction
manufacturers to report basic manufacturing data,
including the specific chemical identity, produc-
tion volume, and site-limited status for organic
chemical substances listed on the TSCA Inventory
and produced in the amount of 10,000 pounds or
more, at a single site, during 1985. Collected every
four years, EPA uses this information to support
activities associated with implementing TSCA.
Definition:
Site-Limited
A site-limited chemical is manufactured and
consumed at a given site and is not distributed
in its pure or impure form or in any mixture
or article outside the site for commercial
purposes. Note that imported chemical
substances cannot be site-limited.
EPA amended the IUR regulation in 2003 to tailor
the chemical substance reporting requirements
to more closely match current information needs,
which included obtaining new and updated infor-
mation and improving the utility of the informa-
tion reported. Under the amended IUR require-
ments, manufacturers producing 25,000 pounds
or more of a reportable chemical substance, at a
site, must report its specific chemical identity and
related manufacturing information. If a manu-
facturer produces 300,000 pounds or more of the
chemical substance at a site, they must also report
processing and use information. Exhibit 2 contains
a brief list of the new exposure-related reporting
elements.
While the early IUR collections were limited to the
collection of information on organic chemical sub-
stances, the 2003 amendments expanded the collec-
tion to include information on inorganic chemical
substances. The changes to the reporting threshold
were done, in part, in recognition of the increased
burden associated with these new reporting require-
ments. EPA also reduced the reporting frequency
from every four years to every five years, and limited
Exhibit 2. New Exposure-Related Data
Elements in the 2006 IUR
Physical form(s) of the reportable chemical as it
leaves each site and the associated percentage of
production volume.
Maximum concentration, measured by
percentage of weight, of each reportable chemical
at the time it leaves each site and for each reported
commercial and consumer use.
Total number of workers reasonably likely to
be exposed to the reportable chemical at the site
of domestic manufacture or import and for each
industrial processing or use activity.
Number of industrial sites that process or use the
chemical.
Industrial processing or use operation(s) at
sites that receives the reportable chemical from the
submitter site directly or indirectly.
Commercial and consumer product category
or categories that best describe the commercial
and consumer products in which the reportable
chemical is used.
Percentage total production volume of the
reportable chemical that is associated with each
process or use.
Indication of whether reportable chemical
substances are present in products intended for
use by children up to the age of 14.
the reporting of processing and use information to
data covering U.S. uses only.
What Information Did EPA Collect for
2006 IUR Reporting?
The 2006 information collection was the first re-
porting cycle to incorporate the amendments into
the reporting requirements. Information covering
calendar year 2005 was collected during the 2006
submission period, from August 25,2006 to March
23,2007, on 6,200 chemical substances.
EPA collected information from sites that manu-
facture TSCA Inventory-listed chemicals in quan-
tities of 25,000 pounds or more at a given site.
Each site submitted an IUR report for all subject
chemicals manufactured by that site during 2005.
2006 Inventory Update Reporting: Data Summary
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Introduction
A site's IUR submission consists of manufacturing,
processing, and use information for every chemical
manufactured at the site that meets the report-
ing requirements. A submission typically contains
reports for multiple chemicals.
EPA required all reporting sites to submit the fol-
lowing manufacturing information for each report-
able chemical substance:
• Parent company and site identification
• Specific chemical name
• Chemical Abstracts Service (CAS) Registry Num-
ber (or other identifying number)
• Domestically manufactured production volume
• Imported production volume
• Site-limited status
• Maximum concentration
• Number of workers reasonably likely to be
exposed during the manufacture of the chemical
substance
• Physical form and the percentage of the chemi-
cal substance in each physical form
In addition to the above information, if the site
manufactured organic chemical substances in
volumes that exceeded the 300,000 pound thresh-
old, then they were required to submit information
on industrial processing and use and on com-
mercial and consumer uses for those chemical
substances. Manufacturers submitted information
on uses at their own site and at other locations that
process and use these chemical substances.
Industrial processing and use information includes
the following:
• Unique combinations of:
- Type of process or use
- Industrial sector of use
- Function of the chemical
• For each unique combination:
- Number of sites associated with each indus-
trial processing or use activity
- Number of workers reasonably likely to be ex-
posed to the chemical substance during each
processing or use activity
- Percent of the total production volume associ-
ated with each processing or use activity
Commercial and consumer use information in-
cludes the following:
• Category of products in which the chemical was
used
• Maximum concentration of the chemical in each
product category
• Percent of the total production volume associ-
ated with each product category
• Use of the chemical in products intended for
children up to 14 years of age
EPA Encouraged Electronic Reporting
EPA made electronic reporting software avail-
able to all submitters for the 2006 reporting cycle.
Downloadable from EPA's Web site, the software
enabled submitters to develop a validated, correctly
formatted, and encrypted data file containing their
IUR submission. The data file could be printed and
submitted to EPA, saved and submitted on magnetic
media, or submitted over the Internet through the
Agency's Central Data Exchange (CDX)5. Full use
of the reporting software, including the validation
process, improved the accuracy of the submitted
IUR Form U data. Submission of the encrypted file
enabled EPA to directly load data into the database,
thereby further improving the accuracy of the data
by avoiding scanning-related errors.
EPA anticipated that electronic IUR submissions
would result in a fast turnaround time between
the submission of the data to the Agency and the
5 Central Data Exchange (CDX) serves as EPA's point of exchange on the Environmental Information Exchange Network. To learn more
about CDX, visit http://cdx.epa.gov/epa_home.asp
2006 Inventory Update Reporting: Data Summary
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Introduction
availability of the data for use, and more than half
of all reports were, in fact, submitted this way. EPA
worked diligently to ensure that the database was
accurate and would provide the public with the
most useful information. However, availability of
the data for public use has not happened quickly
as a result of many issues stemming primarily from
non-electronic submissions.
Preparing the 2006IUR database for this data sum-
mary has taken longer than expected. The delay
resulted from a combination of events associated
with the time and resources needed to review and
correct submitter- and scanning-related errors
from the non-electronic reports. EPA detected sig-
nificant errors on a substantial number of report-
ing forms. Oftentimes, the submitted data did not
conform to the reporting requirements of the IUR
rule. The Agency also faced difficulties resolving
issues pertaining to submissions with incorrect
chemical identification information. Based on this
experience, and as discussed in Next Steps, EPA is
considering steps to improve company reporting
and EPA processing of the IUR information submit-
ted in the next (2011) reporting cycle.
What is the 2006 IUR Public Database?
The 2006 IUR public database is a collection of
non-confidential information on 6,200 chemicals
domestically manufactured in or imported into
the United States and includes processing and use
information on more than 3,000 of those chemi-
cal substances. Released in conjunction with this
report for use by the general public, EPA developed
the public database from an internal database
comprised of the 2006 IUR submitted informa-
tion. In order to provide the public with the most
comprehensive data, EPA has provided much of the
information as aggregated, national numbers in
ranges. This allows the public to view information
based on both the confidential and non-confiden-
tial data.
Manufacturing, processing, and use data, com-
piled into a searchable database format, enables
EPA and others to more readily screen chemical
substances for potential exposure and risk. The IUR
provides updated data for a set of chemicals on
the TSCA Inventory and is used in many of EPA's
Office of Pollution Prevention and Toxic's (OPPT's)
programs. The addition of the manufacturing,
processing, and use data elements greatly enhances
the utility of the IUR data for the Agency and the
public alike.
How Can I Access the IUR Public Data?
The 2006 IUR public data are available on the IUR
Web site (www.epa.gov/iur). You can download the
full public database or you can search the database
by chemical name, CAS Registry Number, or com-
pany name. The resulting searches provide chemi-
cal-specific, nationally aggregated information on
manufacturing, processing, and use of the chemical
substance and company-specific non-confidential
site and chemical information.
The IUR Web site also includes public information
from previous IUR collections. National production
volumes reported for 1986 through 2002 submis-
sion periods can be searched by chemical name
or CAS Registry Number. In addition, information
from the 1998 and 2002 collections can be searched
by chemical name, CAS Registry Number, or com-
pany name.
2006 Inventory Update Reporting: Data Summary
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Use of the IUR Data
The IUR represents the most comprehensive source of basic screening-level, exposure-
related information available, and as such, the IUR data are of value in supporting
risk screening, priority setting, and management activities. The availability of IUR
data will be helpful as government, industry, and the public work together to identify,
develop, and implement programs to minimize the potential environmental and human
health risks from chemical substances of concern.
EPA's Current Use of the 2006 IUR Data
EPA's expansion of the IUR data collected in the
2006 reporting cycle provides users with additional
information on chemical substances on the TSCA
Inventory. The additional manufacturing data and
industrial processing and use data provide EPA
with information on potential worker exposures
to chemical substances as well as, in some cases,
potential environmental releases during manu-
facturing, processing, and use. Commercial and
consumer use data reported in the IUR provide an
indication of potential exposures during use in a
commercial setting and by consumers. Other EPA
offices and government agencies that have used the
basic manufacturing information from previous
collections are expected to similarly use these new
IUR data to identify potential use scenarios that
may lead to exposure.
Data generated by the IUR are used in a wide
variety of programs fundamental to fulfilling EPA's
TSCA responsibilities. Historically, EPA has used
the IUR data to support several programs that
utilize information on the production volumes of
chemical substances, such as EPA's High Produc-
tion Volume (HPV) Challenge Program6 and the
development of rules requiring testing of chemical
substances. The Agency's primary use of the data
from the expanded reporting in the 2006 IUR cycle
is to prioritize TSCA chemical substances for more
detailed information gathering, risk screening and
risk management to protect human health and
the environment. Uses of the 2006 data by EPA are
discussed in the following sections.
The Security and Prosperity Partnership of
North America (SPP)
The Security and Prosperity Partnership of North
America (SPP) program is a collaboration among
the United States, Canada, and Mexico, which
includes efforts to ensure the safe manufacture
and use of industrial chemical substances in North
America. Each country shares scientific informa-
tion, technical understanding, best practices, and
risk management approaches. In addition, the
countries coordinate research on new approaches
to chemical testing and assessment. This partner-
ship, launched in August 2007, commits the three
countries to accelerating and improving the effec-
tiveness of actions to safeguard human health and
the environment, providing cost-effective solutions
for risk management for businesses and govern-
ments, and strengthening regulatory authority.
EPA, Environmental Defense, American Petroleum Institute, and American Chemistry Council joined forces to launch the voluntary
HPV Challenge Program in 1998 to collect basic hazard data for HPV chemicals. HPV chemicals are classified as those chemicals
manufactured in or imported into the United States in national quantities of 1 million pounds or more per year. Additional informa-
tion is available on the HPV Challenge Web site (www.epa.gov/chemrtk).
2006 Inventory Update Reporting: Data Summary
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Use of the IUR Data
The Chemical Assessment and Management
Program (ChAMP)
EPA initiated the Chemical Assessment and
Management Program (ChAMP) to fulfill commit-
ments made under the SPP. Under ChAMP, EPA is
using fUR data, in conjunction with other data, to
prioritize chemical substances for future work. The
prioritization is based on information concerning a
chemical substance's potential hazards and on the
potential exposure of workers, consumers (espe-
cially children), the environment, and the general
population.
In 2008, as part of the SPP commitments, EPA
began posting screening-level risk-based prioritiza-
tion (RBP) documents on EPA's Web site. The RBPs
summarize basic hazard and exposure informa-
tion on EPA's HPV Challenge Program chemical
substances. RBP documents also identify potential
risks, note scientific issues and uncertainties, and
indicate the initial priority assigned by the Agency
for potential future appropriate action. The 2006
IUR data are essential to the development of these
RBP documents, providing the screening-level
exposure-related information necessary for the ini-
tial priority determination. In addition, EPA began
developing initial evaluations of Moderate Produc-
tion Volume (MPV) chemicals. The evaluation of
the first set of these chemical substances consists
of development of a hazard characterization and
hazard-based prioritization.
Out of the 6,716 chemical substances currently on
the ChAMP list, 6,138 reported information for this
past reporting cycle. Of these ChAMP chemicals,
submitters provided information on 2,889 HPV
chemicals and 3,249 MPV chemicals under the
2006 IUR.
EPA also recently announced its intention to
implement two additional activities: the Inventory
Reset Program and the Inorganics HPV Challenge
Program. The Reset Program, discussed further in
Next Steps, will reset the TSCA Inventory to more
accurately reflect the chemicals currently in com-
merce. The Inorganics HPV Challenge Program is
a data collection and characterization program for
inorganic chemicals that will parallel efforts with
the HPV Challenge Program, which currently only
includes organic chemicals.
Additional details can be found on the ChAMP Web
site (www.epa.gov/champ).
Other EPA Uses
Examples of other ways EPA uses IUR information
include:
• Providing a preliminary characterization of the
potential exposure to a chemical substance from
information collected on manufacture, process-
ing, and use of chemical substances.
• Supporting regulatory initiatives to require
testing and/or submission of information about
selected chemical substances.
• Identifying manufacturers of chemical substanc-
es in the event of a need for rapid risk manage-
ment response to a concern about a chemical
substance.
• Assisting in the design and implementation of
cooperative programs with the chemical indus-
try and the public such as the Voluntary Chil-
dren's Chemical Evaluation Program (VCCEP)
and the Design for the Environment Program
(DfE).
The Agency anticipates that, as was true even for
the basic production data reported under previous
collections, new uses of current IUR data by EPA
and by others will continue to emerge.
2006 Inventory Update Reporting: Data Summary
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Use of the IUR Data
The Public's Use of the IUR Data
The 2006 IUR public database provides the public,
government officials, non-governmental organiza-
tions, and industry with access to non-confidential
information on the manufacture, processing, and
use of chemical substances in commerce on a
regional and national level. The public database
can be searched by chemical identity to retrieve
chemical-specific manufacturing, processing, and
use information or by company name to retrieve
the list of chemicals reported by the sites associ-
ated with the subject company.
What Should I Consider When Using the IUR
Public Database?
IUR reporting is triggered by the production
volume of the chemical substance manufactured,
rather than the actual hazards or potential expo-
sures associated with a chemical substance. You
should consider this aspect of the data when using
the public IUR database. In addition, while the IUR
provides comprehensive reporting from all subject
companies, the required data are limited and were
intended to be used only for screening-level pur-
poses. For this reason, the use of the IUR data alone
is not sufficient to determine potential exposures
or to calculate potential risks to human health and
the environment, even at the screening level. IUR
data, in conjunction with other information, such
as the toxicity of the chemical, potential releases,
and site-specific conditions, can be used as a start-
ing point in prioritizing and screening chemicals
for potential risks to humans and the environment.
The public should also consider several character-
istics of IUR information when using the data, as
follows:
• Confidential Business Information Claims—
IUR data can be designated as confidential busi-
ness information (CBI) by the submitter. EPA
has protected confidential information when ag-
Definition:
Confidential Business Information
Confidential Business Information (CBI),
in the IUR context, is commercial information
obtained from the information owner, or
person, and claimed as confidential, that
is treated as confidential by that person,
has not been previously disclosed, is not
available from other sources and is not
required by law to be disclosed. Additionally
the person asserting the CBI claim must
believe that the release of the information
claimed as CBI would cause substantial
injury to the person's competitive position.
For further information see the IUR Web site
(www.epa.gov/iur).
gregating IUR data for use in public documents,
including in this report. Public versions of the
IUR database present data that were either not
claimed as CBI or that have been aggregated to
protect confidential information.
Exhibit 3 provides statistics on the percentage of
IUR data elements that were claimed confidential.
When using data in this report or on the IUR
Web site, users do not have access to the com-
plete IUR data set and should draw conclusions
from the available data with care.
2006 Inventory Update Reporting: Data Summary
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Use of the IUR Data
Exhibit 3. CBI Claims for Specific IUR Data Elements
Percentage of Time
Data Element Claimed Confidential
Manufacturing Information
Domestic Manufacture Production Volume
32%
Import Production Volume
20%
Site-Limited Status
13%
Physical Form*
13%
Processing and Use Information
Industrial Processing and Use Information (overall) **
28%
Industrial Processing and Use Information (3-Code
Combination) ***
49%
Process Use Code
26%
5-digit NAICS Code
29%
Industrial Function Category
27%
Commercial and Consumer Use Information
26%
* EPA's calculation of the extent of CBI claims for physical form includes only the physical forms selected by the
submitter as applying to the reported chemical. This calculation excludes those CBI claims for a non-selected
physical form.
** EPA bases the overall extent of CBI on the number of CBI claims reported for all industrial processing and use
information provided.
*** EPA determines the percent of industrial processing and use information that were claimed as CBI based on
the unique combinations of codes for the type of process or use, the industry sector, and the industrial function of
the chemical. EPA bases the extent of CBI on the number of CBI claims reported for every unique combination.
2006 Inventory Update Reporting: Data Summary
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Use of the IUR Data
Reporting Thresholds and Exemptions - An
understanding of IUR reporting thresholds, the
TSCA definition of a chemical substance, and
the various IUR exemptions are important when
using and interpreting the IUR data.
Reporting Threshold: The 2006 IUR includes infor-
mation about chemical substances listed on the
TSCA Inventory and manufactured in quantities
of 25,000 pounds or more at a single site during
calendar year 2005. Manufacturers of chemical
substances in lesser volumes are not required to
submit information for those chemicals. Note
that for prior reporting cycles (2002 and earlier),
the reporting threshold was 10,000 pounds at
a site. Aggregated production volume informa-
tion may not reflect the total volume if there are
a substantial number of sites that manufacture
the chemicals in quantities less than 25,000
pounds per year. Comparison of production for a
particular chemical over time might be affected
by the change in the reporting threshold.
Production Volume: Chemical substances
may have both TSCA and non-TSCA uses. The
volumes associated with the uses of a chemical
regulated by other agencies such as the Food
and Drug Administration (FDA) need not be
reported under the IUR; therefore, a chemical
might have a higher overall production volume
than is reported under the IUR. For instance, a
substance such as canola oil has industrial appli-
cations (uses for which it is considered a chemi-
cal substance under TSCA) and food applica-
tions (uses for which it would not be considered
a chemical substance under TSCA). The volumes
reported in response to the IUR should reflect
only the volumes that meet the TSCA definition
of a chemical substance.
Chemicals Excluded From Reporting: Under the
IUR, manufacturers are not required to report
information on certain chemical substances
either because of the type of chemical substance
Definition:
Naturally Occurring
Chemical Substances
Naturally occurring chemical substances
are defined for TSCA Inventory purposes as
any chemical substance which is naturally
occurring and:
(1) Which is (i) unprocessed or (ii)
processed only by manual, mechanical,
or gravitational means; by dissolution in
water; by flotation; or by heating solely
to remove water; or
(2) Which is extracted from air by any
means, will automatically be included
in the inventory under the category
"Naturally Occurring Chemical
Substances." Examples of such
substances are: raw agricultural
commodities; water, air, natural gas, and
crude oil; and rocks, ores, and minerals.
or because of the manner of manufacture or
use of the chemical substance. These excluded
chemicals are in addition to those substances
not considered to be chemical substances under
TSCA (see the related discussion in Introduc-
tion). In general, manufacturers are not required
to report IUR information for polymers, microor-
ganisms, naturally occurring chemical substanc-
es, or certain natural gas streams. Chemical
substances that are non-isolated intermediates,
imported as part of an article, or are impurities
are exempted from IUR reporting. Byproducts
not used for a separate, non-exempt commercial
purpose are also exempt from reporting. Note
that many byproducts that are recycled for a
commercial purpose are reportable under IUR.
2006 Inventory Update Reporting: Data Summary
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Use of the IUR Data
Manufacturers Excluded From Reporting: Small
manufacturers are generally exempt from IUR
requirements. Small manufacturers must meet
one of the following requirements:
1. Total annual sales of the site, combined with
those of the parent company, domestic or for-
eign (if any), are less than $4 million regard-
less of annual production volume; or
2. Total annual sales, combined with those of
the parent company, domestic or foreign (if
any), are less than $40 million, and the annual
production volume of that substance does not
exceed 100,000 pounds at any individual site.
Processing and Use Rep or ting Exclusions: Report-
ing information on processing and use was not
required for all chemicals reported in 2006.
This information was only required for organic
chemical substances manufactured in quanti-
ties of 300,000 pounds or more at a site during
calendar year 2005. Manufacturers of inorganic
chemicals, multi-component petroleum process
streams, and certain other chemicals listed in
the IUR regulation did not need to report the
processing and use information7. However,
manufacturers were required to report manufac-
turing information for these partially exempted
substances. (See 40 CFR 710.46(b) for additional
information.)
Reporting in Ranges—The following data ele-
ments are reported under the IUR in ranges:
- The maximum concentration of a chemical
substance when manufactured or when used
(in a commercial setting or by consumers).
- The number of manufacturing and the num-
ber of industrial processing and use workers
reasonably likely to be exposed to the chemi-
cal substance.
- The number of industrial processing and use
sites.
Reporting in ranges provides an overview of
a given chemical industry, while reducing the
industry reporting burden associated with devel-
oping a precise number for these data elements.
In addition, the use of ranges reflects the level of
detail available to the chemical manufacturers
when providing information about the process-
ing or use that is out of their direct control.
Processing and Use Information Not Readily
Obtainable—Information associated with the
domestic processing and use of a chemical sub-
stance is reported by its manufacturers. Often
the processing and use is not under the control
of the IUR submitter; thus, companies reporting
under IUR might have incomplete knowledge
of the processing and/or use of their chemicals.
Manufacturers were required to report this
information to the extent that it was readily
obtainable; they were not required to collect
information from their customers. Submitters
either indicated that a particular data element
was not readily obtainable or reported the
information only for the portion of their produc-
tion volume for which it was readily obtainable.
Submitters were not required to report the
amount that was exported. As a result of these
factors, the reported industrial processing and
use information represents an undercounting
of the actual processing and use situation in the
United States. The net result is that process and
use information was available for 72 percent of
the total reported production volume for organic
chemicals for which the reporting of processing
and use information was required. The reported
commercial and consumer use information ac-
counted for 22 percent of this volume.
7 Reporting of processing and use information for these partially exempt chemicals was required if the chemical substance was subject
to certain actions under TSCA, as specified in the introduction paragraph of 40 CFR 710.46.
2006 Inventory Update Reporting: Data Summary
12
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Data Analysis and Key
Findings
The following data analysis is a summary of the 2006IUR data8, including confiden-
tial as well as non-confidential data. In order to protect the confidentiality of the
information, EPA has aggregated most of the data and, except in a few instances, has
not provided company- or chemical-specific information. Non-confidential company- or
chemical-specific information can be obtained on the IUR Web site (www.epa.gov/iur).
This chapter includes information needed to
properly interpret the specific data presented. In
addition, please refer to the section entitled What
Should I Consider When Using the IUR Data? m Use
of the IUR Data.
Manufacturing Data
As described in Introduction, the IUR data were re-
ported by manufacturing sites. The manufacturing
data are associated with each chemical at the time
of domestic manufacture or import and include the
chemical's domestically manufactured and import-
ed production volume information, whether the
chemical was site-limited, the number of workers
reasonably likely to be exposed to the chemical, its
maximum concentration, and its physical form. An
IUR submission comprises reports for all chemicals
manufactured on a site-specific basis and includes
the manufacturing data for each reportable chemi-
cal domestically manufactured at that site or for
which the import was controlled by that site.
Who reported?
More than 3,800 sites representing more than 1,500
companies reported information on 6,200 chemicals
during the 2006 IUR submission period. As shown
in Exhibit 4, slightly more than half of the chemi-
cal substances were reported by only one site, and
Exhibit 4. Percentage of Chemicals
Reported by the Number of Sites
1 site • 3 sites • > 10 sites
2 sites 4-10 sites
almost 80 percent were reported by three or fewer
sites. Only 6 percent of the chemical substances were
reported by more than 10 sites. This information
indicates that there are few sources for the major-
ity of the chemical substances in commerce in the
United States.
Submitters were required to identify whether
their chemical was domestically manufactured,
The data presented in this summary are based on version 1 of the 2006 IUR database. This is the same version used to develop the
public data available on the IUR Web site (www.epa.gov/iur.)
2006 Inventory Update Reporting: Data Summary
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Data Analysis and Key Findings
imported, or both domestically manufactured and
imported. Exhibit 5 illustrates the relationship be-
tween the manufacturing and importing activities
for both nationally aggregated chemical informa-
tion and for individual reports. A report contains
information for one chemical at a site; a site's
submission typically contains multiple reports.
Note that only submitters who reported domestic
manufacturing only could report their chemical as
site-limited.
Of the over 4,800 chemicals reported as domesti-
cally manufactured, 63 percent were only domesti-
cally manufactured and not imported. Similarly,
of the over 3,100 chemicals reported as imported,
43 percent of the chemicals were imported only.
As shown in Exhibit 5, nearly half of the reported
chemicals were domestically manufactured only.
While 29 percent of the chemicals were both im-
ported and domestically manufactured, only two
percent of the reports identified both activities.
This exhibit also indicates that nearly 8 percent of
the chemical substances were site-limited, which
means they were consumed at the site of domes-
tic manufacture. Fourteen percent of the reports
identified site-limited chemicals, indicating that
sites may report different activities for the same
chemical.
Where Are the Chemicals Manufactured?
Sites that reported information were located in all
50 states, plus Puerto Rico, the Virgin Islands, and
Washington, B.C. Some reporting sites were identi-
fied as headquarters or broker locations reporting
imports only, while others were sites domestically
manufacturing chemicals (but who may have also
imported the chemical). The following discussion
provides a geographical look at the chemical indus-
try in the United States.
Exhibit 5. Manufacturing,
Importing, and Site-Limited Activities
Diagram is not to scale
Domestic Manufacture Only
Import Only
Domestic Manufacture and Import
Site-Limited
Reports**
16,696
8,769
558
3,719
* In the analysis by chemical, EPA considers a chemical
as "Domestic Manufacture Only" if ALL submitters report
the chemical as domestic manufacture only. If a chemical
is reported as manufactured at one site and imported at
another site, the chemical is considered as both domestically
manufactured and imported.
** This column shows the site activities for the number of
individual reports submitted rather than by chemical. There are
multiple reports for each chemical.
2006 Inventory Update Reporting: Data Summary
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Data Analysis and Key Findings
Exhibit 6. EPA Regions
Guam
Trust Terroritories
American Somoa
Northern Mariana Islands
Information by EPA Region
Chemical manufacturers reported 6,200 chemicals
with a total 2005 production volume of approxi-
mately 27 trillion pounds. The map in Exhibit 6
presents the 10 EPA regions, and Exhibit 7 shows
the distribution of the domestically manufactured
and imported production volumes and the number
of reported chemicals across the EPA regions. EPA
Regions 4 (the south-eastern states) and 6 (the
southern-central states) reported more than 80
percent of the production volume, followed by Re-
gion 9 (the south-western states), which represents
5 percent of the total imported volume reported.
The remaining seven regions accounted for about
15 percent of the total production volume.
Looking more closely at the breakout between do-
mestically manufactured and imported production
volumes, the imported volumes contributed less
than 3 percent of the total production volume and
are mainly concentrated in three regions. Imported
volumes for Region 6 account for 38 percent of the
total imported volume, followed closely by Region
Exhibit 7. Production Volumes and the
Number of Chemicals Reported by
Each EPA Region
16000
14000
12000
10000
123456789 10
EPA Region
— Imported Production Volume -»— Number of Chemicals
— Manufactured Production Volume
3 (24 percent) and Region 5 (12 percent). Regions 8,
9, and 10 each reported imported volumes account-
ing for approximately 5 percent of the total produc-
tion volume, with the remaining imported volumes
reported by sites in Regions 1,2,4, and 7.
2006 Inventory Update Reporting: Data Summary
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Data Analysis and Key Findings
Information by State
Information by state is presented in three different
ways - by number of sites, by production volume,
and by number of chemicals. Exhibit 8 shows the
number of sites at which chemicals are manufac-
tured in each state. Approximately half of the states
had 50 or more sites reporting 2006IUR informa-
tion. Exhibit 9 illustrates the total reported produc-
tion volume ranges in each state. More than half
of the states manufacture between 10 billion and
100 billion pounds. The largest manufacturers, with
production volumes of 1 trillion pounds or greater,
are California, Texas, Florida, and Louisiana. These
states account for approximately 86 percent of the
total production volume. Exhibit 10 presents the
top 10 states based on the total production volume
and includes the number of chemicals reported for
these states.
Examining the reporting of chemicals by produc-
tion volume and number of chemicals, in addition
to the number of sites, provides some insight into
the distribution of the higher-volume chemicals.
For instance, Texas is the top-ranked state based
on the number of chemicals but ranks third for
total production volume with a total volume of
more than 2 trillion pounds. Louisiana, on the
other hand, has the largest production volume but
ranks fourth based on the number of chemicals.
Both of these states have greater than 100 sites
reporting under IUR and are located in Region 6,
which has the greatest production volume. Florida
ranks second overall in production volume but is
not among the top five for the number of chemicals
manufactured.
Exhibit 8. Number of Reporting Sites in Each State
Number of Reporting Sites
2006 Inventory Update Reporting: Data Summary
16
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Data Analysis and Key Findings
Exhibit 9. Total Production Volume Reported in Each State
Production Volume Ranges
• >1 trillion
• 100 billion-1 trillion
• 10 billion-100 billion
• 1 billion-10 billion
• < 1 billion
Exhibit 10. The Top 10 States by
Production Volume and the Number of
Chemicals They Report
16,000r
T 2,000
LA FL TX CA VA AL IL GA KS OH
State
Total Production Volume
• Reported Chemicals
2006 Inventory Update Reporting: Data Summary
17
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Data Analysis and Key Findings
Factors that drive the total production volume
reported for a given state can include:
• Chemical-specific volumes: A small number
of high-production volume chemicals maybe
manufactured in a state. For example, sulfite
liquor (green) (CAS RN 68131-30-6) is part of the
pulping cycle (see Exhibit 13) and accounts for
between 1 trillion and 5 trillion pounds of the
production volume reported to the IUR.
• Number of chemicals reporting: A large number
of chemicals may be manufactured in smaller
volumes within a state.
• Import sites: A site located within a given state
may control the importation of a chemical but
distribute the chemical nationwide.
• Industrial byproducts: Byproducts produced at
chemical manufacturing plants, power plants,
and processing plants are reported under IUR.
For example, between 100 billion and 105 billion
pounds of Ashes (residues) (CAS RN 68131-74-
8) were reported in the 2006 reporting period.
Ash is a byproduct of power generation and the
majority of companies reporting this chemical
are utilities. States with substantial power gen-
eration would report larger volumes of ash. See
Exhibit 14.
Summary of Chemicals Reported
Exhibit 11 presents the top 25 chemicals based
on the total production volume; the full list of the
top 100 chemicals is presented in Exhibit Al of the
Appendix. The total production volume includes
all reported production volumes under the 2006
IUR, including volumes that were claimed confi-
dential. These 25 chemicals make up 84 percent of
the total reported production volume, and the top
100 account for more than 94 percent of the total.
A majority of these chemicals are produced during
the refining of petroleum, although the top three
chemicals are from the pulp and paper pulping
cycle. Chemical-specific production volume infor-
mation is available for all non-confidential chemi-
cals on the IUR Web site (www.epa.gov/iur).
Exhibit 12 further refines the top chemicals list by
removing site-limited volumes. Twenty out of the
resulting 25 chemicals are produced during the
refining of petroleum, and only one of the pulping
cycle chemicals remains in the top 25. These 25
chemicals make up more than 10 percent of the
total reported production volume, and the top 100
account for more than 19 percent. See Exhibit A2 of
the Appendix for the full list of the top 100 chemi-
cals based on the total production volume exclud-
ing site-limited volumes.
Site-limited chemicals are manufactured and
used at the same site. The site-limited volumes
were excluded from Exhibit 12 because, in general,
exposures to consumers and the general popula-
tion will be less than exposures for volumes that
are not site-limited. In addition, many site-limited
chemicals are manufactured and used within a
closed system, further limiting potential expo-
sures to these chemicals. Note that, in comparing
Exhibits 11 and 12, some chemicals are included
in both lists. Chemicals which appear in Exhibit
11 but not in Exhibit 12 have a significant volume
of their production used at the site where they are
domestically manufactured. Site-limited volumes
contribute approximately 77 percent of the 27 tril-
lion pounds reported.
Exhibits 13 and 14 provide background information
for two different chemical manufacturing scenar-
ios—the pulping cycle and fly ash manufactured
by utilities. Background information on industries
with high production volume chemicals may help
put the production volume data in context.
2006 Inventory Update Reporting: Data Summary
18
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Data Analysis and Key Findings
Exhibit 11. Top 25 Chemicals Based on the Total Reported Production Volume
CAS Registry
Number
66071-92-9
68131-30-6
68131-33-9
64741-56-6
64741-45-3
64741-57-7
8008-20-6
64741-44-2
8052-42-4
8002-05-9
64742-80-9
471-34-1
115-07-1
64741-41-9
64741-42-0
12168-85-3
64741-79-3
64741-54-4
68131-74-8
64741-55-5
64741-59-9
64741-46-4
10034-77-2
68955-35-1
64742-46-7
^KM^^ffiwHlTr^^ft
Sulfite liquors and Cooking liquors, spent
Sulfite liquors and Cooking liquors, green
Sulfite liquors and Cooking liquors, white
Residues (petroleum), vacuum
Residues (petroleum), atm. tower
Gas oils (petroleum), heavy vacuum
Kerosene (petroleum)
Distillates (petroleum), straight-run middle
Asphalt
Petroleum
Distillates (petroleum), hydrodesulfurized middle
Carbonic acid calcium salt (1 :1)
1 -Propene
Naphtha (petroleum), heavy straight-run
Naphtha (petroleum), full-range straight-run
Calcium oxide silicate (Ca30(Si04))
Coke (petroleum)
Naphtha (petroleum), heavy catalytic cracked
Ashes (residues)
Naphtha (petroleum), light catalytic cracked
Distillates (petroleum), light catalytic cracked
Naphtha (petroleum), light straight-run
Silicic acid (H4Si04), calcium salt (1 :2)
Naphtha (petroleum), catalytic reformed
Distillates (petroleum), hydrotreated middle
1 Production Volume
ange (billion pounds)
15,000 to 20,000
1,000 to 5,000
1,000 to 5,000
295 to 300
225 to 230
220 to 225
205 to 210
200 to 205
195 to 200
175 to 180
145 to 150
145 to 150
130 to 135
130 to 135
125 to 130
120 to 125
115to120
105to110
100 to 105
95 to 100
90 to 95
90 to 95
85 to 90
85 to 90
75 to 80
2006 Inventory Update Reporting: Data Summary
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Data Analysis and Key Findings
Exhibit 12. Top 25 Chemicals Based on the Total Reported Production
Volume (Excluding Site-Limited Production Volumes)
CAS Registry
Number
8052-42-4
64741-56-6
64741-57-7
8008-20-6
8002-05-9
64741-44-2
64741-45-3
64742-80-9
115-07-1
64741-79-3
12168-85-3
64741-41-9
64741-42-0
68131-74-8
64741-54-4
10034-77-2
64741-55-5
68955-35-1
64742-46-7
64741-46-4
66071-92-9
65996-65-8
64741-59-9
68553-00-4
64741-68-0
Asphalt
Residues (petroleum), vacuum
Gas oils (petroleum), heavy vacuum
Kerosene (petroleum)
Petroleum
Distillates (petroleum), straight-run middle
Residues (petroleum), atm. Tower
Distillates (petroleum), hydrodesulfurized middle
1 -Propene
Coke (petroleum)
Calcium oxide silicate (Ca30(Si04))
Naphtha (petroleum), heavy straight-run
Naphtha (petroleum), full-range straight-run
Ashes (residues)
Naphtha (petroleum), heavy catalytic cracked
Silicic acid (H4Si04), calcium salt (1 :2)
Naphtha (petroleum), light catalytic cracked
Naphtha (petroleum), catalytic reformed
Distillates (petroleum), hydrotreated middle
Naphtha (petroleum), light straight-run
Sulfite liquors and Cooking liquors, spent
Iron ores, agglomerates
Distillates (petroleum), light catalytic cracked
Fuel oil, no. 6
Naphtha (petroleum), heavy catalytic reformed
• Production Volume
Range (billion pounds)
190 to 195
190 to 195
185 to 190
185 to 190
175 to 180
165 to 170
140 to 145
140 to 145
130 to 135
110to115
100 to 105
100 to 105
95 to 100
90 to 95
90 to 95
85 to 90
80 to 85
80 to 85
75 to 80
70 to 75
70 to 75
70 to 75
70 to 75
70 to 75
70 to 75
2006 Inventory Update Reporting: Data Summary
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Data Analysis and Key Findings
"xhibit 13. Chemicals in the Pub and Pacer Industrx
The top three chemicals, by production volume, reported under the 2006IUR were pulping liquors associated
with the pulping process (see the Appendix for a listing of the top 100 chemicals). The diagram below illustrates
this pulping process. Based on the TSCA Section 8 definition of manufacture, each section of the pulping cycle
is considered manufacturing of a chemical substance.
\
Causticizing
White
liquor
•een\.
nor ^V
Pulp
Pulp
Green
liquor
Smelt
Lime mud = calcium carbonate
Re-burned lime = calcium oxide
The papermaking process begins with the pulping of wood, accomplished by mixing white liquor with wood
fiber and breaking down the fiber into pulp. A washing step separates the usable pulp destined to be made
into paper from a waste byproduct stream known as black liquor. The black liquor generated in a paper mill
was reported by companies in the paper mill industry during the initial TSCA Inventory reporting period and
is listed in the Inventory as "Sulfite liquors and cooking liquors, spent" and, therefore, is subject to reporting
under IUR. Black liquor is typically used for the production of energy, in the form of steam, and for producing
inorganic substances that are recovered and used as precursors of pulping chemicals. A combustion process is
used to generate heat for process steam and results in the production of inorganic chemicals that collect in the
bottom of the boiler in the form of molten smelt. The smelt is dissolved in water to produce green liquor. During
processing of the green liquor into white liquor, calcium oxide and calcium carbonate are also manufactured.
The pulp and paper industry is required to report information on the following substances generated in the
above pulping process:
• Black liquor (or spent pulping liquors) (CAS RN: 66071 -92-9)
• Green liquor (or smelt) (CAS RN: 68131 -30-6)
• White liquor (CAS RN: 68131 -33-9)
• Calcium carbonate (CAS RN: 471 -34-1)
• Calcium oxide (CAS RN: 1305-79-9)
The total reported volume for these five chemicals is between 15 trillion and 20 trillion pounds. The highly
repetitive nature of this loop or regeneration process, which results in the manufacture of these substances
during each cycle of the loop, can lead to the large production volumes reported under IUR.
2006 Inventory Update Reporting: Data Summary
21
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Data Analysis and Key Findings
Exhibit 14. Production and Use of Flv Ash from Coal-Fired Power Plants
To stack
Fly Ash (Recovery or Disposal)
•^•Bottom Ash (Disposal or Reuse)
The diagram above depicts the coal-combustion process, which generates fly ash, or ashes (residues) (CAS RN:
68131 -74-8) as a residual. The components of fly ash can vary based on the source of the coal being burned
but primarily consist of silicon dioxide (Si02) (amorphous and crystalline) and calcium oxide (CaO). In the past,
fly ash was generally captured and collected by electrostatic precipitators or filter bags and disposed of in a
landfill. People are increasingly finding beneficial uses for fly ash, including usage in:
• Portland cement and grout
• Embankments and structural fill
• Waste stabilization and solidification
• Mine reclamation
• Stabilization of soft soils
• Road sub-base
• Aggregate
• Flowablefill
• Mineral filler in asphaltic concrete
• Minor applications in cellular concrete, geopolymers, roofing tiles, paints, metal castings, and filler in wood
and plastic products.
Between 100 billion and 105 billion pounds of fly ash were reported in the 2006IUR.
2006 Inventory Update Reporting: Data Summary
22
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Data Analysis and Key Findings
Additional Manufacturing-Related Information
In the 2006IUR reporting cycle, submitters were
required to report exposure-related manufacturing
data, including the number of workers potentially
exposed during manufacturing, the maximum con-
centration of a chemical when manufactured, and
the percent of production volume by physical form.
Exhibit 15 represents the number of times each
manufacturing worker range was reported. Sub-
mitters were required to report the number of
manufacturing workers that were reasonably likely
to be exposed to each chemical reported by their
site. Of the 26,397 reports submitted, potential ex-
posures to 10,000 workers or greater were reported
60 times. Manufacturing worker ranges of less than
10 and between 100 and 499 were most frequently
reported.
The physical form of a chemical and its concen-
tration in a mixture are factors in the assessment
of exposure of workers to that chemical. Exhibit
16 illustrates that most chemicals were manu-
factured at relatively high concentrations, i.e. 90
percent or greater by weight. Exhibit 17 shows the
number of chemicals reported for each physi-
cal form and the associated production volume.
Liquids account for approximately 85 percent of
the reported production volume and were the top
reported physical form.
Exhibit 15. Number of Times
Submitters Reported a Particular Range of
the Number of Manufacturing Workers
a
10,000
8,000
6,000
4,000
2,000
0
6435
& ^
> (S>
^ •*- ^ / / / ^
N5 «5-> ^c& N5
Number of Manufacturing Workers
Exhibit 16. Number of Times
Submitters Reported a Particular
Range of Maximum Concentration
1-30% 31-60% 61-90% >90%
Maximum Concentration
2006 Inventory Update Reporting: Data Summary
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Data Analysis and Key Findings
Exhibit 17. Number of Chemicals
Reported for Each Physical Form and
the Associated Production Volumes
350,000
Total Production Volume
Number of Chemicals
Industrial Processing and Use Data
For the first time, the 2006IUR required submit-
ters to report information on industrial processing
and use and commercial and consumer uses of the
chemicals they manufacture at a site in quantities
of 300,000 pounds or greater. This section discusses
the industrial processing and use information
collected about organic chemicals that meet the
reporting requirements. For the 2006 IUR, manu-
facturers were not required to report processing
and use information on their inorganic chemicals
or on partially exempt chemicals.
For industrial processing and use, submitters
provided data on unique combinations of the fol-
lowing:
• The processing and use codes, which designate
how chemicals are used at an industrial site.
Reporters selected one of the following:
- Processing as a reactant
- Processing—incorporation into formulation,
mixture, or reaction product
- Processing—incorporation into an article
- Processing —repackaging
- Use—non-incorporative activities
• North American Industrial Classification System
(NAICS) codes, which define the industry using
the chemical
• Industrial function categories, which define the
function of each chemical. Submitters selected
from a list of 33 categories, which include adsor-
bents, adhesives, coloring agents, and solvents.
Together, these three data elements define a use
scenario. EPA can use the scenarios to evaluate
chemicals for exposure characterization and priori-
ty-setting purposes. Submitters also had the option
to report "Not Readily Obtainable" for each of the
three data elements. See Use of the IUR Data for a
discussion on considering "Not Readily Obtainable"
when interpreting the IUR data.
Exhibits 18,19, and 20 summarize the number
of chemicals for which sites reported each of the
three data elements. The IUR requires submitters
to identify a five-digit NAICS code. Due to the large
number of NAICS codes reported under IUR, EPA
truncated the code to a three-digit number for the
purpose of summarizing the major industry sec-
tors in this document. Of the approximately 2,800
chemicals for which submitters were required to
report industrial processing and use information,
86 percent are classified in the chemical manufac-
turing industry (NAICS code 325), and 57 percent
are manufactured for further processing as a
formulation or as a reactant. Over 1,300 chemicals
were reported to be used as intermediates.
Exhibit 21 presents the 25 most frequently reported
three-code combinations for the 2006 reporting
period. Due to the number of confidentiality claims
asserted, EPA is not presenting information in this
document on the number of processing sites, the
number of potentially exposed industrial workers,
or the percent production volume for each unique
three-code combination.
2006 Inventory Update Reporting: Data Summary
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Data Analysis and Key Findings
Exhibit 18. Number of Chemicals in Each Process or Use Category
Process or Use Category
Processing — incorporation into formulation, mixture, or reaction product
Processing as a reactant
Use — nonincorporative activities
Processing — repackaging
Processing — incorporation into article
Not Readily Obtainable
Number of Chemicals
1,640
1,590
471
453
389
337
Exhibit 19. Most Frequently Reported Three-Digit NAICS Codes
3-Digit NAICS
325
NAICS Description
Chemical Manufacturing
Number of Chemicals
2,468
326
Plastics and Rubber Products Manufacturing
378
324
Petroleum and Coal Products Manufacturing
309
424
Merchant Wholesalers, Nondurable Goods
277
322
Paper Manufacturing
130
211
Oil and Gas Extraction
117
311
Food Manufacturing
104
313
Textile Mills
77
327
Nonmetallic Mineral Product Manufacturing
72
336
Transportation Equipment Manufacturing
61
2006 Inventory Update Reporting: Data Summary
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Data Analysis and Key Findings
Exhibit 20. Number of Chemicals in Each Industrial Function Category
Industrial Function
Intermediates
Surface active agents
Lubricants
Processing aid, not otherwise listed
Functional fluids
Solvents (which become part of product formulation or mixture)
Adhesives and binding agents
Process regulators, used in vulcanization or polymerization processes
Stabilizers
Fuels
Corrosion inhibitors and anti-scaling agents
Odor agents
Solvents (for cleaning or degreasing)
Agricultural chemicals (nonpesticidal)
Solvents (for chemical manufacture and processing and are not part of
product at greater than 1 % by weight)
Process regulators, other than polymerization or vulcanization processes
Viscosity adjusters
Flame retardants
Coloring agents, pigments
Coloring agents, dyes
Flotation agents
Photosensitive chemicals
pH-regulating agents
Plating agents and metal surface treating agents
Fillers
Number of Chemicals
1,333
311
272
248
226
188
184
180
165
149
116
104
87
85
80
76
67
63
63
50
36
32
32
24
23
2006 Inventory Update Reporting: Data Summary
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Data Analysis and Key Findings
Exhibit 20. (continued)
Industrial Function
Anti-adhesive agents
Reducing agents
Adsorbents and absorbents
Bleaching agents
Fixing agents
Oxidizing agents
Aerosol propellants
Other
Not Readily Obtainable
Number of Chemicals
14
13
12
12
12
10
6
841
419
Exhibit 21. Most Frequently Reported Use Scenarios Based on Unique Combinations of
Process or Use, Five-digit NAICS, and Industrial Function Categories: Number of Chemicals
Reported
Type of Process or Use
Processing as a reactant
Processing as a reactant
Processing as a reactant
Processing as a reactant
Processing — incorporation
into formulation, mixture, or
reaction product
Processing as a reactant
Processing as a reactant
5-digit NAICS Description
Other Basic Organic Chemical
Manufacturing
Resin and Synthetic Rubber Manufacturing
All Other Chemical Product and
Preparation Manufacturing
Pesticide and Other Agricultural Chemical
Manufacturing
Other Basic Organic Chemical
Manufacturing
Other Basic Organic Chemical
Manufacturing
Petrochemical Manufacturing
Industrial Function Number of Chemicals
Intermediates
Intermediates
Intermediates
Intermediates
Other
Other
Intermediates
734
200
157
137
131
124
121
2006 Inventory Update Reporting: Data Summary
-------
Data Analysis and Key Findings
Exhibit 21. (continued)
Kn^drc
Processing-incorporation
into formulation, mixture, or
reaction product
Processing-incorporation
into formulation, mixture, or
reaction product
Processing-incorporation
into formulation, mixture, or
reaction product
Processing as a reactant
Processing-incorporation
into formulation, mixture, or
reaction product
Processing-incorporation
into formulation, mixture, or
reaction product
Processing-incorporation
into formulation, mixture, or
reaction product
Processing-incorporation
into formulation, mixture, or
reaction product
Processing-incorporation
into formulation, mixture, or
reaction product
Processing-repackaging
Processing-incorporation
into formulation, mixture, or
reaction product
5-digit NAICS Description
Soap and Cleaning Compound
Manufacturing
All Other Chemical Product and
Preparation Manufacturing
Other Basic Organic Chemical
Manufacturing
Soap and Cleaning Compound
Manufacturing
Other Basic Organic Chemical
Manufacturing
Other Basic Organic Chemical
Manufacturing
All Other Chemical Product and
Preparation Manufacturing
All Other Chemical Product and
Preparation Manufacturing
All Other Chemical Product and
Preparation Manufacturing
Other Basic Organic Chemical
Manufacturing
Other Basic Organic Chemical
Manufacturing
Industrial Function Number of Chemicals
Surface active
agents
Other
Intermediates
Intermediates
Lubricants
Solvents (which
become part of
product formulation
or mixture)
Not Readily
Obtainable
Functional fluids
Lubricants
Intermediates
Process regulators,
used in vulcanization
or polymerization
processes
109
102
101
96
70
70
66
62
61
61
51
2006 Inventory Update Reporting: Data Summary
-------
Data Analysis and Key Findings
Exhibit 21. (continued)
Type of Process or Use
Processing as a reactant
Processing — incorporation
into formulation, mixture, or
reaction product
Processing — incorporation
into formulation, mixture, or
reaction product
Not Readily Obtainable
Processing — repackaging
Processing — incorporation
into formulation, mixture, or
reaction product
Processing as a reactant
5-digit NAICS Description
Paint and Coating Manufacturing
Other Petroleum and Coal Products
Manufacturing
Adhesive Manufacturing
Other Basic Organic Chemical
Manufacturing
Other Basic Organic Chemical
Manufacturing
All Other Chemical Product and
Preparation Manufacturing
Resin and Synthetic Rubber Manufacturing
Industrial Function Number of Chemicals
Intermediates
Lubricants
Adhesives and
binding agents
Surface active
agents
Other
Odor agents
Other
50
50
48
46
46
45
43
Commercial and Consumer Use Data
The 2006IUR required submitters manufacturing
300,000 pounds or more of a chemical at a site to
indicate whether these chemicals have commercial
or consumer uses. More than 2,100 chemicals were
reported as being incorporated into products with
commercial and consumer uses. Exhibit 22 sum-
marizes the number of unique chemicals reported
and the total times submitters reported each prod-
uct category. Note that chemicals may be reported
under multiple categories. For each product cat-
egory reported, submitters had to indicate whether
the chemical was present in products intended
for use by children up to 14 years of age. Exhibit
23 shows that only 10 percent of the chemicals
reported were used in products intended for use by
children. As with industrial uses, submitters could
indicate that the commercial and consumer data
were not readily obtainable.
2006 Inventory Update Reporting: Data Summary
-------
Data Analysis and Key Findings
EPA defines "intended for use by children" to mean
the chemical substance or mixture is used in or on
a product that is specifically intended for use by
children age 14 or younger. The chemical substance
or mixture is intended for use by children if it satis-
fies at least one of the following questions for the
product that incorporates the chemical substance
or mixture:
1. Is the product commonly recognized (i.e., by a
reasonable person) as being intended for chil-
dren up to the age of 14?
2. Does the manufacturer of the product state
through product labeling or other written mate-
rials that the product is intended or will be used
by children up to the age of 14?
3. Is the advertising, promotion, or marketing of
the product aimed at children up to the age of
14?
If a submitter answered "yes" to any of these ques-
tions, they should have indicated "yes" for intended
use in a children's product.
Definition:
Commercial Use and
Consumer Use
For purposes of IUR reporting, a commercial
use means the use of a chemical substance or
mixture in a commercial enterprise providing
saleable goods or a service (such as painting
contractors using paint products).
A consumer use, on the other hand, means
the use of a chemical substance that is
directly, or as part of a mixture, sold to or
made available to consumers for their own
use in or around a residence or in or around a
school or recreational area.
Exhibit 22. Number of Chemicals and Reporting Frequency for the
Commercial and Consumer Category
Commercial and Consumer Product Category Number of Chemicals Number of Times Reported
Rubber and plastic products
Paints and coatings
Lubricants, greases and fuel additives
Soaps and detergents
Adhesives and sealants
Paper products
"Fabrics, textiles and apparel"
Agricultural products (non-pesticidal)
Electrical and electronic products
480
335
303
271
221
147
124
108
107
747
498
475
444
335
242
146
173
132
2006 Inventory Update Reporting: Data Summary
-------
Data Analysis and Key Findings
Exhibit 22. (continued)
Commercial and Consumer Product Category
Transportation products
Automotive care products
Polishes and sanitation goods
Wood and wood furniture
Metal products
Photographic supplies
Glass and ceramic products
Lawn and garden products (non-pesticidal)
Leather products
Artists supplies
Other
Not Readily Obtainable
Number of Chemicals
87
85
63
57
47
41
25
24
23
17
1052
427
Number of Times Reported
131
110
79
82
60
44
35
29
24
19
2015
903
Exhibit 23. Number of Chemicals in Products Intended for Use by Children
Use in Children's Products
Chemicals with Reported Commercial/Consumer Uses
Chemicals with Reports of "Yes" for Children's Use
Chemicals with Reports of "No" for Children's Use
Chemicals with Reports of "NRO" for Children's Use
Number of Chemicals*
2,118
232
1,639
814
*Each unique chemical may have reports of both Yes and No or Not Readily Obtainable for children's use;
therefore, the sum of the Yes, No, and Not Readily Obtainable responses is greater than the number of chemicals
for which commercial and consumer uses were reported.
2006 Inventory Update Reporting: Data Summary
-------
Next Steps
2006 Public Database
EPA is continually working to improve the IUR public database and plans to release
additional non-confidential data pertaining to the 2006 reported information. The
Agency was not able to release a complete and final version of the current database
due to the need to address chemical identity errors requiring correction by the submitter.
The errors included: submitters not specifically identifying a chemical substance, provid-
ing chemical names and CAS Registry Numbers that did not match, and providing a CAS
Registry Number that did not exist. EPA continues efforts to obtain corrections for these
submissions and will include corrected information with a future version of the public
database.
Additional Analyses
EPA plans to release additional analyses and
summaries of the 2006 IUR data. The additional
analyses are expected to include information on
chemicals with a reported use in products intended
for children, the top chemicals in consumer prod-
ucts, and the top chemicals with the most workers
reasonably likely to be exposed. The additional
analyses and other summary information will be
available in the near future.
TSCA Inventory Reset
Some of the chemical substances on the TSCA
Inventory are no longer domestically manufactured
in or imported into the United States; therefore,
EPA is considering resetting the TSCA Inventory
to more accurately reflect the chemical substances
actually in commerce. EPA's ideas are outlined in
Background Discussion Piece: EPA's TSCA Inventory
Reset, which is available on the ChAMP Web site
(www.epa.gov/CHAMP/pubs/invresetdiscussion.htm).
A reset TSCA Inventory would provide a more
meaningful and usable resource for the Agency,
the environmental community, industry, and the
public by reflecting only those chemical substances
actually in commerce in the United States. The
resulting, more accurate TSCA Inventory would
allow EPA to better plan and execute its mission
of protecting human health and the environment
from chemicals that might present risks. EPA is
committed to resetting the TSCA Inventory, but the
concept is still in the early stages of development.
2011 Collection Period
The next IUR submission period will occur June
1 through September 30,2011. Domestic manu-
facturers and importers will be required to report
information on their 2010 manufacturing, process-
ing, and use activities. To minimize problems with
the 2011 IUR data, increase the data's usefulness,
and prevent delays with the release of the associ-
ated database, EPA is exploring ways to address
the issues that were encountered during the 2006
submission period and the Agency's subsequent
database development and data use. Proposed
changes to the IUR rule, improvements in guidance
and training materials, and enhancements to EPA's
internal process will help to address some of these
issues before the next reporting cycle.
2006 Inventory Update Reporting: Data Summary
-------
Next Steps
EPA hopes to dramatically increase the percentage
of electronically submitted IUR data in the future.
One approach to handling this issue is to require
the use of the IUR reporting software (elUR) and
to require electronic submissions over the Inter-
net as the only means of reporting for the 2011
IUR. Data submitted over the Internet through
the Central Data Exchange (CDX) system were
easily incorporated into the database and, due to
the elUR validation requirements, were internally
consistent. The elUR, which was needed in order to
submit using CDX, contained a validation step that
helped to ensure the completeness and consistency
of the submission. Information submitted on a CD
or in hardcopy was more likely to be damaged in
transport, to be misinterpreted when scanned into
the database, and to contain inconsistent and er-
roneous information.
Electronic submissions will ensure that IUR data
will have completed a basic validation check, be
quickly incorporated into a database and ready
for immediate Agency use, and not be subject to
subsequent data entry errors. The Agency is also
considering immediately rejecting incomplete or
incorrectly submitted IUR reports.
EPA is also exploring how to make the IUR data
more useful, including ways to reduce seemingly
excessive claims of confidential information and
to encourage an increased level of reporting for the
processing and use information. EPA will provide
opportunities for the public to comment on pro-
posed 2011 IUR regulatory changes.
2006 Inventory Update Reporting: Data Summary
33
-------
Appendix
Exhibit A1. Top 100 Chemicals Based on Total Reported Production Volume
CAS Registry
Number
66071-92-9
68131-30-6
68131-33-9
64741-56-6
64741-45-3
64741-57-7
8008-20-6
64741-44-2
8052-42-4
8002-05-9
64742-80-9
471-34-1
115-07-1
64741-41-9
64741-42-0
12168-85-3
64741-79-3
64741-54-4
68131-74-8
64741-55-5
64741-59-9
64741-46-4
10034-77-2
Sulfite liquors and Cooking liquors, spent
Sulfite liquors and Cooking liquors, green
Sulfite liquors and Cooking liquors, white
Residues (petroleum), vacuum
Residues (petroleum), atm. tower
Gas oils (petroleum), heavy vacuum
Kerosine (petroleum)
Distillates (petroleum), straight-run middle
Asphalt
Petroleum
Distillates (petroleum), hydrodesulfurized middle
Carbonic acid calcium salt (1 :1)
1 -Propene
Naphtha (petroleum), heavy straight-run
Naphtha (petroleum), full-range straight-run
Calcium oxide silicate (Ca30(Si04))
Coke (petroleum)
Naphtha (petroleum), heavy catalytic cracked
Ashes (residues)
Naphtha (petroleum), light catalytic cracked
Distillates (petroleum), light catalytic cracked
Naphtha (petroleum), light straight-run
Silicic acid (H4Si04), calcium salt (1 :2)
(Production Volume
ange (billion pounds)
15,000 to 20,000
1,000 to 5,000
1,000 to 5,000
295 to 300
225 to 230
220 to 225
205 to 210
200 to 205
195 to 200
175 to 180
145 to 150
145 to 150
130 to 135
130 to 135
125 to 130
120 to 125
115to120
105to110
100 to 105
95 to 100
90 to 95
90 to 95
85 to 90
2006 Inventory Update Reporting: Data Summary
-------
Appendix
Exhibit A1. (continued)
CAS Registry
Number
68955-35-1
64742-46-7
7664-93-9
64741-63-5
64741-68-0
65996-65-8
68553-00-4
74-98-6
64742-48-9
65996-67-0
64742-81-0
64741-60-2
68476-34-6
64741-58-8
68476-30-2
1305-78-8
64742-59-2
74-85-1
106-97-8
64741-43-1
64741-81-7
64741-64-6
70592-78-8
64741-87-3
64742-79-6
64741-82-8
Chemical Name Ra"n7ls,
Naphtha (petroleum), catalytic reformed
Distillates (petroleum), hydrotreated middle
Sulfuric acid
Naphtha (petroleum), light catalytic reformed
Naphtha (petroleum), heavy catalytic reformed
Iron ores, agglomerates
Fuel oil, no. 6
Propane
Naphtha (petroleum), hydrotreated heavy
Iron, furnace
Kerosine (petroleum), hydrodesulfurized
Distillates (petroleum), intermediate catalytic cracked
Fuels, diesel, no. 2
Gas oils (petroleum), light vacuum
Fuel oil, no. 2
Calcium oxide (CaO)
Gas oils (petroleum), hydrotreated vacuum
Ethene
Butane
Gas oils (petroleum), straight-run
Distillates (petroleum), heavy thermal cracked
Naphtha (petroleum), full-range alkylate
Distillates (petroleum), vacuum
Naphtha (petroleum), sweetened
Gas oils (petroleum), hydrodesulfurized
Distillates (petroleum), light thermal cracked
85 to 90
75 to 80
75 to 80
75 to 80
75 to 80
70 to 75
70 to 75
70 to 75
70 to 75
65 to 70
65 to 70
65 to 70
60 to 65
60 to 65
55 to 60
55 to 60
55 to 60
50 to 55
45 to 50
45 to 50
45 to 50
45 to 50
45 to 50
40 to 45
40 to 45
40 to 45
2006 Inventory Update Reporting: Data Summary
-------
Appendix
Exhibit A1. (continued)
CAS Registry
Number
68915-97-9
68919-37-9
64742-93-4
64742-86-5
64742-49-0
68410-00-4
12068-35-8
7664-41-7
124-38-9
64741-62-4
64742-38-7
1344-28-1
65996-71-6
64742-82-1
68477-85-0
12042-78-3
68527-19-5
68606-11-1
64742-73-0
64742-47-8
65996-77-2
68308-27-0
64741-70-4
68333-25-5
68955-27-1
107-06-2
Chemicamame
Gas oils (petroleum), straight-run, high-boiling
Naphtha (petroleum), full-range reformed
Asphalt, oxidized
Gas oils (petroleum), hydrodesulfurized heavy vacuum
Naphtha (petroleum), hydrotreated light
Distillates (petroleum), crude oil
Aluminum calcium iron oxide (AICa2Fe05)
Ammonia
Carbon dioxide
Clarified oils (petroleum), catalytic cracked
Distillates (petroleum), clay-treated middle
Aluminum oxide (AI203)
Slags, steelmaking
Naphtha (petroleum), hydrodesulfurized heavy
Gases (petroleum), C4-rich
Aluminum calcium oxide (AI2Ca306)
Hydrocarbons, C1 -4, debutanizer fraction
Gasoline, straight-run, topping-plant
Naphtha (petroleum), hydrodesulfurized light
Distillates (petroleum), hydrotreated light
Coke (coal)
Fuel gases, refinery
Naphtha (petroleum), isomerization
Distillates (petroleum), hydrodesulfurized light catalytic cracked
Distillates (petroleum), petroleum residues vacuum
Ethane, 1,2-dichloro-
Production Volume
Range (billion pounds)
40 to 45
40 to 45
35 to 40
35 to 40
35 to 40
35 to 40
35 to 40
35 to 40
35 to 40
35 to 40
35 to 40
35 to 40
30 to 35
30 to 35
30 to 35
30 to 35
30 to 35
30 to 35
25 to 30
25 to 30
25 to 30
25 to 30
25 to 30
25 to 30
25 to 30
25 to 30
2006 Inventory Update Reporting: Data Summary
-------
Appendix
Exhibit A1. (continued)
CAS Registry
Number
74-84-0
64741-77-1
68410-63-9
64741-78-2
68476-46-0
75-28-5
65997-19-5
68478-17-1
68783-08-4
64741-69-1
65996-69-2
7704-34-9
68334-30-5
64741-47-5
68475-57-0
7782-50-5
68915-96-8
8030-30-6
70592-77-7
71-43-2
57-13-6
7783-28-0
64741-76-0
1309-37-1
1310-73-2
Chemicamame
Ethane
Distillates (petroleum), light hydrocracked
Natural gas, dried
Naphtha (petroleum), heavy hydrocracked
Hydrocarbons, C3-1 1 , catalytic cracker distillates
Propane, 2-methyl-
Steel manufacture, chemicals
Residues (petroleum), heavy coker gas oil and vacuum gas oil
Gas oils (petroleum), heavy atmospheric
Naphtha (petroleum), light hydrocracked
Slags, ferrous metal, blast furnace
Sulfur
Fuels, diesel
Natural gas condensates (petroleum)
Alkanes, C1 -2
Chlorine
Distillates (petroleum), heavy straight-run
Naphtha
Distillates (petroleum), light vacuum
Benzene
Urea
Phosphoric acid, ammonium salt (1 :2)
Distillates (petroleum), heavy hydrocracked
Iron oxide (Fe203)
Sodium hydroxide (Na(OH))
Production Volume
Range (billion pounds)
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
2006 Inventory Update Reporting: Data Summary
-------
Appendix
Exhibit A2. Top 100 Chemicals Based on the Total Reported Production Volume
(Excluding Site-Limited Production Volumes)
CAS Ret
Number
Production Volume
Range (billion pounds)
8052-42-4
64741-56-6
64741-57-7
8008-20-6
8002-05-9
64741-44-2
64741-45-3
64742-80-9
115-07-1
64741-79-3
12168-85-3
64741-41-9
64741-42-0
68131-74-8
64741-54-4
10034-77-2
64741-55-5
68955-35-1
64742-46-7
64741-46-4
66071-92-9
65996-65-8
64741-59-9
68553-00-4
64741-68-0
Asphalt
Residues (petroleum), vacuum
Gas oils (petroleum), heavy vacuum
Kerosine (petroleum)
Petroleum
Distillates (petroleum), straight-run middle
Residues (petroleum), atm. tower
Distillates (petroleum), hydrodesulfurized middle
1 -Propene
Coke (petroleum)
Calcium oxide silicate (Ca30(Si04))
Naphtha (petroleum), heavy straight-run
Naphtha (petroleum), full-range straight-run
Ashes (residues)
Naphtha (petroleum), heavy catalytic cracked
Silicic acid (H4Si04), calcium salt (1 :2)
Naphtha (petroleum), light catalytic cracked
Naphtha (petroleum), catalytic reformed
Distillates (petroleum), hydrotreated middle
Naphtha (petroleum), light straight-run
Sulfite liquors and Cooking liquors, spent
Iron ores, agglomerates
Distillates (petroleum), light catalytic cracked
Fuel oil, no. 6
Naphtha (petroleum), heavy catalytic reformed
190 to 195
190 to 195
185 to 190
185 to 190
175 to 180
165 to 170
140 to 145
140 to 145
130 to 135
110to115
100 to 105
100 to 105
95 to 100
90 to 95
90 to 95
85 to 90
80 to 85
80 to 85
75 to 80
70 to 75
70 to 75
70 to 75
70 to 75
70 to 75
70 to 75
2006 Inventory Update Reporting: Data Summary
-------
Appendix
Exhibit A2. (continued)
CAS Registry
Number
74-98-6
64741-60-2
64742-81-0
68476-34-6
68476-30-2
7664-93-9
74-85-1
65996-67-0
64741-63-5
68131-30-6
106-97-8
64741-64-6
64742-48-9
64741-58-8
64741-87-3
64742-93-4
68915-97-9
68919-37-9
12068-35-8
68410-00-4
124-38-9
64742-38-7
1344-28-1
1305-78-8
7664-41-7
Che.ica.Name
Propane
Distillates (petroleum), intermediate catalytic cracked
Kerosine (petroleum), hydrodesulfurized
Fuels, diesel, no. 2
Fuel oil, no. 2
Sulfuric acid
Ethene
Iron, furnace
Naphtha (petroleum), light catalytic reformed
Sulfite liquors and Cooking liquors, green
Butane
Naphtha (petroleum), full-range alkylate
Naphtha (petroleum), hydrotreated heavy
Gas oils (petroleum), light vacuum
Naphtha (petroleum), sweetened
Asphalt, oxidized
Gas oils (petroleum), straight-run, high-boiling
Naphtha (petroleum), full-range reformed
Aluminum calcium iron oxide (AICa2Fe05)
Distillates (petroleum), crude oil
Carbon dioxide
Distillates (petroleum), clay-treated middle
Aluminum oxide (AI203)
Calcium oxide (CaO)
Ammonia
Production Volume
Range (billion pounds)
65 to 70
65 to 70
60 to 65
60 to 65
55 to 60
50 to 55
45 to 50
45 to 50
45 to 50
45 to 50
40 to 45
40 to 45
40 to 45
40 to 45
40 to 45
35 to 40
35 to 40
35 to 40
35 to 40
35 to 40
35 to 40
35 to 40
35 to 40
30 to 35
30 to 35
2006 Inventory Update Reporting: Data Summary
-------
Appendix
Exhibit A2. (continued)
CAS Registry
Number
65996-71-6
64741-62-4
64742-86-5
64742-49-0
12042-78-3
64742-79-6
68606-11-1
68131-33-9
64742-82-1
65996-77-2
64742-59-2
64741-81-7
68333-25-5
64742-47-8
64741-43-1
68477-85-0
64741-70-4
74-84-0
68410-63-9
68476-46-0
70592-78-8
64741-47-5
65997-19-5
68334-30-5
68475-57-0
Slags, steelmaking
Clarified oils (petroleum), catalytic cracked
Gas oils (petroleum), hydrodesulfurized heavy vacuum
Naphtha (petroleum), hydrotreated light
Aluminum calcium oxide (AI2Ca306)
Gas oils (petroleum), hydrodesulfurized
Gasoline, straight-run, topping-plant
Sulfite liquors and Cooking liquors, white
Naphtha (petroleum), hydrodesulfurized heavy
Coke (coal)
Gas oils (petroleum), hydrotreated vacuum
Distillates (petroleum), heavy thermal cracked
Distillates (petroleum), hydrodesulfurized light catalytic cracked
Distillates (petroleum), hydrotreated light
Gas oils (petroleum), straight-run
Gases (petroleum), C4-rich
Naphtha (petroleum), isomerization
Ethane
Natural gas, dried
Hydrocarbons, C3-1 1 , catalytic cracker distillates
Distillates (petroleum), vacuum
Natural gas condensates (petroleum)
Steel manufacture, chemicals
Fuels, diesel
Alkanes, C1 -2
Production Volume
Range (billion pounds)
30 to 35
30 to 35
30 to 35
30 to 35
25 to 30
25 to 30
25 to 30
25 to 30
25 to 30
25 to 30
25 to 30
25 to 30
25 to 30
25 to 30
25 to 30
25 to 30
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
20 to 25
2006 Inventory Update Reporting: Data Summary
-------
Appendix
Exhibit A2. (continued)
CAS Registry
Number
7704-34-9
75-28-5
64741-82-8
68955-27-1
68478-17-1
64741-69-1
71-43-2
57-13-6
65996-69-2
7783-28-0
1309-37-1
64741-78-2
64741-77-1
7782-50-5
64742-73-0
1310-73-2
68783-08-4
64-17-5
8030-30-6
75-01-4
64741-86-2
68527-19-5
68527-27-5
68783-12-0
1634-04-4
Chen*, Name
Sulfur
Propane, 2-methyl-
Distillates (petroleum), light thermal cracked
Distillates (petroleum), petroleum residues vacuum
Residues (petroleum), heavy coker gas oil and vacuum gas oil
Naphtha (petroleum), light hydrocracked
Benzene
Urea
Slags, ferrous metal, blast furnace
Phosphoric acid, ammonium salt (1 :2)
Iron oxide (Fe203)
Naphtha (petroleum), heavy hydrocracked
Distillates (petroleum), light hydrocracked
Chlorine
Naphtha (petroleum), hydrodesulfurized light
Sodium hydroxide (Na(OH))
Gas oils (petroleum), heavy atmospheric
Ethanol
Naphtha
Ethene, chloro-
Distillates (petroleum), sweetened middle
Hydrocarbons, C1 -4, debutanizer fraction
Naphtha (petroleum), full-range alkylate, butane-contg.
Naphtha (petroleum), unsweetened
Propane, 2-methoxy-2-methyl-
Production Volume
Range (billion pounds)
20 to 25
20 to 25
20 to 25
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
15 to 20
10to15
10to15
10to15
10to15
10to15
2006 Inventory Update Reporting: Data Summary
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