PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
&EPA
United States	Office of Chemical Safety and
Environmental Protection Agency	Pollution Prevention
Risk Evaluation for Trichloroethylene
Systematic Review Supplemental File:
Data Quality Evaluation of
Environmental Releases and Occupational
Exposure Common Sources
CASRN: 79-01-6
CI H
CI CI
February 2020

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This document is a compilation of tables for the data extraction and evaluation of
common sources for environmental releases and occupational exposure of the first 10
chemicals. This document may contain sources that were not used for the risk evaluation of
Trichloroethylene. Each table shows the data point or set or information element
that was extracted and evaluated from a data source in accordance with
Appendix D of the Application of Systematic Review in TSCA Risk Evaluations.
If the source contains more than one data set or information element, the review
provides an overall confidence score for each data set or information element that
is found in the source. Therefore, it is possible that a source may have more than
one overall quality/confidence score.
Table of Contents
Page
Releases to the Environment	3
Occupational Exposure	11
Facility	51
Explanatory Notes
These explanatory notes provide context to understand the short comments in the data evaluation tables.
Domain
Metric
Description of Comments Field
Reliability
Methodology
Indicates the sampling/analytical methodology, estimation method, or
type of publication
Repre sentativene ss
Geographic Scope
Indicates the country of the study, publication, or underlying data
Applicability
Indicates whether the data are for a condition of use within scope of the
Risk Evaluation
Temporal Representativeness
Provides the year of study, publication, or underlying data
Sample Size
Describes the distribution of the sample or underlying data
Accessibility / Clarity
Metadata Completeness
Describes the completeness of the metadata
Variability and Uncertainty
Metadata Completeness
Indicates if study or publication addresses variability and uncertainty of
the data or information
2

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Releases to the Environment
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Source Citation:	U.S. EPA. 2017. Toxics Release Inventory (TRI), reporting year 2016.
Type of Data Source Releases to the Environment; Environmental Release Data;
Hero ID	5041148
EXTRACTION
Parameter
Data

Life Cycle Stage:
Life Cycle Description (Subcategory of Use):
Environmental Media:
Release or Emission Factor:
All
All
Provides media of release
Provides release data

EVALUATION
Domain Metric
Rating MWF* Score
Comments
Domain 1: Reliability
Metric 1: Methodology
Low X 1 3
Methodology used by submitters to estimate release data is not
known.
Domain 2: Representative
Metric 2:
Geographic Scope
High
X
1
1
TRI is U.S. based data
Metric 3:
Applicability
High
X
2
2
TRI includes industries included in the scopes of multiple
chemicals
Metric 4:
Temporal Representativeness
High
X
2
2
TRI data are from 2016
Metric 5:
Sample Size
Medium
X
1
2
Due to reporting requirements, statistical representativeness is
unclear.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Low x 1
3
TRI only includes release media but no other metadata.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Low x 1
3
TRI does not address variability or uncertainty in submitter
provided data.
Overall Quality Determination^
Medium
1.8


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.

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Source Citation:	U.S. EPA. 2017. Toxics Release Inventory (TRI) basic plus data file, Hexabromocyclododecane (CAS # 25637-99-4), reporting
year 2017.
Type of Data Source Releases to the Environment; Environmental Release Data;
Hero ID	5079078
EXTRACTION
Parameter	Data
Life Cycle Stage:	All
Life Cycle Description (Subcategory of Use):	All
Environmental Media:	Provides media of release
Release or Emission Factor:	Provides release data
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
Low
X
1
3
Methodology used by submitters to estimate release data is not
known.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
High
Medium
XX XX
1
2
2
1
1
2
2
2
TRI is U.S. based data
TRI includes industries included in the scopes of multiple
chemicals
TRI data are from 2017
Due to reporting requirements, statistical representativeness is
unclear.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Low
X
1
3
TRI only includes release media but no other metadata.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Low
X
1
3
TRI does not address variability or uncertainty in submitter
provided data.
Overall Quality Determination^
Medium


1.8


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
5

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Source Citation:	U.S. EPA. 2016. EPA Discharge Monitoring Report Data.
Type of Data Source Releases to the Environment; Environmental Release Data;
Hero ID	5176443
EXTRACTION
Parameter
Data

Life Cycle Stage:
Life Cycle Description (Subcategory of Use):
Environmental Media:
Release or Emission Factor:
All
All
Provides media of release
Provides release data

EVALUATION
Domain Metric
Rating MWF* Score
Comments
Domain 1: Reliability
Metric 1: Methodology
Low X 1 3
Methodology used by submitters to estimate release data is not
known.
Domain 2: Representative
Metric 2:
Geographic Scope
Fligh
X
1
1
DMR is U.S. based data
Metric 3:
Applicability
Fligh
X
2
2
DMR includes industries included in the scopes of multiple
chemicals
Metric 4:
Temporal Representativeness
Fligh
X
2
2
DMR data are from 2016
Metric 5:
Sample Size
Medium
X
1
2
Universe is limited to NPDES permit holders; statistical rep-
resentativeness is unclear.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Low x 1
3
DMR only includes release media but no other metadata.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Low x 1
3
DMR does not address variability or uncertainty in submitter
provided data.
Overall Quality Determination^
Medium
1.8


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.

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Source Citation:	U.S. EPA. 2018. 2014 National Emissions Inventory Report.
Type of Data Source Releases to the Environment; Environmental Release Data;
Hero ID	4795870
EXTRACTION
Parameter	Data
Life Cycle Stage:
Life Cycle Description (Subcategory of Use):
Release Source:
Environmental Media:
Release or Emission Factor:
Release Days per Year:
P2 Control & percent Efficiency:
All
All
Provides unit/process of release.
Provides media of release
Provides release data
Provides annual operating time.
Provides controls information.
EVALUATION





Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability





Metric 1:
Methodology
Medium
X 1
2
Submitters provide general method used to calculate emissions,





but details not provided.
Domain 2: Representative





Metric 2:
Geographic Scope
High
X 1
1
NEI is U.S. based data
Metric 3:
Applicability
High
x 2
2
NEI includes industries included in the scopes of multiple





chemicals.
Metric 4:
Temporal Representativeness
High
x 2
2
NEI data are from 2014
Metric 5:
Sample Size
Medium
x 1
2
Universe is limited to units subject to NESHAP with threshold





potential to emit, although states may have different require-





ments; statistical representativeness is unclear.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High x
1
1
NEI includes release media and generally also includes daily
and annual operating time, specific unit/process that is the
source of release, and presence of engineering controls.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Low x
1
3
NEI does not address variability or uncertainty in submitter
provided data.
Overall Quality Determination^
High

1.4


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 continued from previous page
Source Citation:	U.S. EPA. 2018. 2014 National Emissions Inventory Report.
Type of Data Source Releases to the Environment; Environmental Release Data;
Hero ID	4795870
EVALUATION
Domain	Metric	Rating MWF* Score	Comments
* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.

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Source Citation:
U.S. EPA. 1995. Protocol for Equipment Leak Emission Estimates. EPA-453/R-95-017.
Type of Data Source
Releases to the Environment; Environmental Release Data;
Hero ID
5097879
EXTRACTION

Parameter
Data
Life Cycle Stage:	Tank Truck and Railcar Loading Model
Release or Emission Factor:	Cited for emission factors used for the inhalation exposure and release
model.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
EPA coordinated the data gathering activities; methodology
expected to be accurate and comprehensive of all leak release
sources.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
Medium
Low
Low
XX XX
1
2
2
1
1
4
6
3
Data are U.S. based.
EPA-coordinated studies were of synthetic organic chemical
manufacturing industry (SOCMI) type facilities, which may
include industries within the scopes of the chemicals, but may
also include industries outside of the scopes.
Underlying data collected through studies from 1980 to 1990.
Data more than 20 years old.
Emission factors are presented only as averages; underlying
distribution is not characterized.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Medium
X
1
2
Metadata includes release media and equipment type that is
the source of the release. Does not include the duration over
which the emission factors were derived.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Low
X
1
3
Does not address variability or uncertainty in average emission
factors.
Overall Quality Determination^
Medium


2.2


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.

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Source Citation:	OPW Engineered Systems. 2014. Loading Systems Catalog. OPW Engineered Systems: A Dover Company. ES-LS-6/15-2M;
Uploaded November 18, 2014.
Type of Data Source Releases to the Environment; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	5097888
EXTRACTION
Parameter

Data



Life Cycle Stage:
Release or Emission Factor:

Tank Truck and Railcar Loading Model
Cited for loading arm volumes used to calculate air emissions in model.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X 1
1
Data are provided by loading systems vendor; it is expected
vendor would provide accurate data on their own loading sys-
tems.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
High
High
X 1
x 2
x 2
x 1
1
2
2
1
Vendor is U.S. based.
The loading systems offered in vendor's catalog are applicable
for the container types within scope of the model.
Catalog is indicated as copyrighted as of 2015.
Vendor's catalog offers loading systems of a variety of sizes,
and dimensions are provided for each offered size.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High
x 1
1
All needed metadata for loading system dimensions are pro-
vided.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium
x 1
2
Variability among loading systems across vendors is unknown;
it is uncertain if the distribution of this vendor's products are
capture the distribution across all vendors. However, it is ex-
pected that these systems are a reasonable representation of
the systems offered in the U.S.
Overall Quality Determination^
High

1.1


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
10

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Occupational Exposure
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Source Citation:
U.S. BLS. 2016. May 2016 Occupational Employment and Wage Estimates: National Industry-Specific Estimates.
Type of Data Source
Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID
5079087
EXTRACTION

Parameter
Data
Life Cycle Stage:	All
Life Cycle Description (Subcategory of Use):	All
Number of Sites:	Used to develop a method to estimate number of sites and workers.
Number of Workers:	Used to develop a method to estimate number of sites and workers.
EVALUATION



Domain
Metric
Rating
MWF* Score Comments
Domain 1: Reliability



Metric 1:
Methodology
High
X 1 1 BLS is expected to use reliable survey methods.
Domain 2: Representative
Metric 2:
Geographic Scope
High
X
1
1
U.S. based economic data
Metric 3:
Applicability
High
X
2
2
These economic data cover all industry and occupation types
in scope for all chemicals.
Metric 4:
Temporal Representativeness
High
X
2
2
The BLS OES data are from 2016
Metric 5:
Sample Size
High
X
1
1
The BLS OES program provides detailed statistics and esti-
mated relative standard error for each state, industry, and oc-
cupation survey conducted (https://www. bis.gov/oes/current/
oes_research_estimates. htm).
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Medium x 1
2
BLS documents results and methods, but underlying survey
results not accessible.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium x 1
2
Limited discussion of variability and uncertainty in results.
Overall Quality Determination^
High
1.2


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
12

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Source Citation:	U.S. Census Bureau. 2015. Statistics of U.S. Businesses (SUSB).
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	5097881
EXTRACTION
Parameter	Data
Life Cycle Stage:	All
Life Cycle Description (Subcategory of Use):	All
Number of Sites:	Used to develop a method to estimate number of sites and workers.
Number of Workers:	Used to develop a method to estimate number of sites and workers.
EVALUATION
Domain
Metric
Rating MWF* Score
Comments
Domain 1: Reliability
Metric 1: Methodology
High
x 1
U.S. Census Bureau is expected to use reliable survey and cen-
sus methods.
Domain 2: Representative
Metric
2:
Geographic Scope
High
X
1
1
U.S. based economic data
Metric
3:
Applicability
High
X
2
2
These economic data cover all industry and occupation types
in scope for all chemicals.
Metric
4:
Temporal Representativeness
High
X
2
2
The Census Bureau SUSB data are from 2015
Metric
5:
Sample Size
High
X
1
1
The SUSB is a compilation of data extracted from the Business
Register, U.S. Census Bureau's "most complete, current, and
consistent data for U.S. business establishments." Incorporates
data from economic censuses and current business surveys,
quarterly and annual Federal tax records, and other depart-
mental and federal statistics. Expected to be sufficiently repre-
sentative. (https: / /www. census, gov/ programs-surveys/susb/
about.html)
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness	Medium X 1	2 U.S. Census Bureau documents results and methods, but un-
derlying survey results not accessible.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium x 1
2 Limited discussion of variability and uncertainty in results.
Overall Quality Determination^
High
1.2
Continued on next page
13

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 continued from previous page
Source Citation:	U.S. Census Bureau. 2015. Statistics of U.S. Businesses (SUSB).
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	5097881
EVALUATION
Domain	Metric	Rating MWF* Score	Comments
* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.

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Source Citation:	U.S. BLS. 2014. Employee Tenure News Release.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	5080421
EXTRACTION
Parameter	Data
Life Cycle Stage:	All
Life Cycle Description (Subcategory of Use):	All
Exposure Frequency:	Used to develop estimates of exposure frequency (working days per year
and working years)
EVALUATION
Domain	Metric	Rating MWF* Score	Comments
Domain 1: Reliability
Metric 1: Methodology	High	X 1	1 BLS is expected to use reliable survey methods.
Domain 2: Representative
Metric 2:
Geographic Scope
High
X
1
1
U.S. based economic data
Metric 3:
Applicability
High
X
2
2
These economic data cover all industry types in scope for all
chemicals.
Metric 4:
Temporal Representativeness
High
X
2
2
Median employee tenure with current employer was obtained
from the BLS Current Population Survey for January 2014.
Metric 5:
Sample Size
High
X
1
1
The Current Population Survey (CPS) is a monthly sur-
vey of about 60,000 households. BLS provides de-
tailed statistical treatment of surveys. Expected to
be sufficiently representative. (https://www.bls.gov/cps/
documentation.htm^reliability)
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Medium x 1
2
BLS documents results and methods, but underlying survey
results not accessible.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium x 1
2
Limited discussion of variability and uncertainty in results.
Overall Quality Determination^
High
1.2


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
15

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Source Citation:
U.S. BLS. 2015. Hours and Employment by Industry Tables - August 6, 2015.
Type of Data Source
Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID
5079873
EXTRACTION

Parameter
Data
Life Cycle Stage:	All
Life Cycle Description (Subcategory of Use):	All
Exposure Frequency:	Used to develop estimates of exposure frequency (working days per year
and working years)
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
BLS is expected to use reliable survey methods.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
High
High
XX XX
1
2
2
1
1
2
2
1
U.S. based economic data
These economic data cover all industry types in scope for all
chemicals.
Hours and employment data are from 2016.
BLS Labor Productivity and Costs data are used to aid eco-
nomic policymaking, among other uses, and are expected to be
sufficiently representative.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Medium
X
1
2
BLS documents results and methods, but underlying survey
results not accessible.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium
X
1
2
Limited discussion of variability and uncertainty in results.
Overall Quality Determination^
High


1.2


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
16

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Source Citation:
U.S. Census Bureau. 2019. Survey of Income and Program Participation data.
Type of Data Source
Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID
5080429
EXTRACTION

Parameter
Data
Life Cycle Stage:	All
Life Cycle Description (Subcategory of Use):	All
Exposure Frequency:	Used to develop estimates of exposure frequency (working days per year
and working years)
EVALUATION



Domain
Metric
Rating
MWF* Score Comments
Domain 1: Reliability



Metric 1:
Methodology
High
X 1 1 U.S. Census Bureau is expected to use reliable survey and cen-



sus methods.
Domain 2: Representative
Metric
2:
Geographic Scope
High
X
1
1
U.S. based economic data
Metric
3:
Applicability
High
X
2
2
These economic data cover all industry types in scope for all
chemicals.
Metric
4:
Temporal Representativeness
High
X
2
2
EPA used the 2008 SIPP Panel Wave 1 (interview months of
September through December 2008).
Metric
5:
Sample Size
High
X
1
1
The SIPP survey is a continuous series of national panels, with
sample size ranging from 14,000 to 52,000 interviewed house-
holds. Panels range from 2.5 to 4 years. Expected to be suf-
ficiently representative, (https://www.census.gov/programs-
surveys/sipp / about / sipp-introduct ion-history, html)
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Medium x 1
2
BLS documents results and methods, but underlying survey
results not accessible.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium x 1
2
Limited discussion of variability and uncertainty in results.
Overall Quality Determination^
High
1.2


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
17

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Source Citation:	Cherrie, JW; Semple, S; Brouwer, D. 2004. Gloves and Dermal Exposure to Chemicals: Proposals for Evaluating Workplace
Effectiveness. Annals of Occupational Hygiene.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	5080435
EXTRACTION
Parameter	Data
Life Cycle Stage:
Life Cycle Description (Subcategory of Use):
Route of Exposure:
PPE:
All
All
Used to develop a dermal exposure assessment method for volatile liq-
uids.
Provides concepts of glove effectiveness.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
N/A
High
Medium
N/A
X
X
2
2
N/A
2
4
N/A
N/A. Geographic scope is not applicable to scientific research
of dermal exposures.
Article studies effectiveness of gloves in the workplace, which
is applicable to the scopes of multiple chemicals.
Article was published in 2004; more than 10 but less than 20
years old.
N/A. Article presents concepts of dermal exposure and glove
effectiveness. Sample size is not applicable.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High
X
1
1
Article is well documented with methods, assumptions, and
sources.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
High
X
1
1
Detailed discussion on variability/uncertainty.
Overall Quality Determination^	High	1.3
* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
18

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Source Citation:	Dancik, Y; Bigliardi, PL; Bigliardi-Qi, Mei. 2015. What happens in the skin? Integrating skin permeation kinetics into studies
of developmental and reproductive toxicity following topical exposure. Reproductive Toxicology.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	3223617
EXTRACTION
Parameter
Data



Life Cycle Stage:
Life Cycle Description (Subcategory of Use):
Route of Exposure:
All
All
Used to develop
uids.
a dermal exposure assessment method for volatile liq-
EVALUATION
Domain Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1: Methodology
High
X 1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative
Metric 2: Geographic Scope
Metric 3: Applicability
Metric 4: Temporal Representativeness
Metric 5: Sample Size
N/A
High
High
N/A
x 2
x 2
N/A
2
2
N/A
N/A. Geographic scope is not applicable to scientific research
of dermal exposures.
Article studies skin permeation kinetics, which is applicable to
the scopes of multiple chemicals.
Article was published in 2015; less than 10 years old.
N/A. Article studies science of skin permeation and toxicity.
Sample size is not applicable.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High
x 1
1
Article is well documented with methods, assumptions, and
sources.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
High
x 1
1
Detailed discussion on variability/uncertainty.
Overall Quality Determination^
High

1.0

* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
19

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Erasch, HF; Bunge, AL. 2015. The transient dermal exposure II: post-exposure absorption and evaporation of volatile com-
pounds. Journal of Pharmaceutical Sciences.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	3230538
EXTRACTION
Parameter

Data



Life Cycle Stage:
Life Cycle Description (Subcategory of Use):
Route of Exposure:
All
All
Used to develop
uids.
a dermal exposure assessment method for volatile liq-
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X 1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
N/A
High
High
N/A
x 2
x 2
N/A
2
2
N/A
N/A. Geographic scope is not applicable to scientific research
of dermal exposures.
Article studies transient dermal exposure of volatile chemicals
that evaporate and absorb into skin simultaneously, which is
applicable to the scopes of multiple chemicals.
Article was published in 2015; less than 10 years old.
N/A. Article studies science of skin permeation and evapora-
tion. Sample size is not applicable.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High
x 1
1
Article is well documented with methods, assumptions, and
sources.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
High
x 1
1
Detailed discussion on variability/uncertainty.
Overall Quality Determination^
High

1.0

* MWF = Metric Weighting Factor
r If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
20

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Frasch FH. 2012. Dermal Absorption of Finite doses of Volatile Compounds. Journal of Pharmaceutical Sciences.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	5097903
EXTRACTION
Parameter

Data



Life Cycle Stage:
Life Cycle Description (Subcategory of Use):
Route of Exposure:
All
All
Used to develop
uids.
a dermal exposure assessment method for volatile liq-
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X 1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
N/A
High
High
N/A
x 2
x 2
N/A
2
2
N/A
N/A. Geographic scope is not applicable to scientific research
of dermal exposures.
Article studies transient dermal exposure of volatile chemicals
that evaporate and absorb into skin simultaneously, which is
applicable to the scopes of multiple chemicals.
Article was published in 2012; less than 10 years old.
N/A. Article studies science of skin permeation and evapora-
tion. Sample size is not applicable.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High
x 1
1
Article is well documented with methods, assumptions, and
sources.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
High
x 1
1
Detailed discussion on variability/uncertainty.
Overall Quality Determination^
High

1.0

* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
21

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Erasch, HF; Dotson, GS; Barbero, AM. 2011. In vitro human epidermal penetration of 1-bromopropane. Journal of Toxicology
and Environmental Health, Part A: Current Issues.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	1247930
EXTRACTION
Parameter
Data



Life Cycle Stage:
Life Cycle Description (Subcategory of Use):
Route of Exposure:
All
All
Used to develop
uids.
a dermal exposure assessment method for volatile liq-
EVALUATION
Domain Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1: Methodology
High
X 1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative
Metric 2: Geographic Scope
Metric 3: Applicability
Metric 4: Temporal Representativeness
Metric 5: Sample Size
N/A
High
High
N/A
x 2
x 2
N/A
2
2
N/A
N/A. Geographic scope is not applicable to scientific research
of dermal exposures.
Article studies human epidermal penetration of 1-BP, which is
applicable to the scope of 1-BP.
Article was published in 2011; less than 10 years old.
N/A. Article studies science of skin permeation and evapora-
tion. Sample size is not applicable.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High
x 1
1
Article is well documented with methods, assumptions, and
sources.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
High
x 1
1
Detailed discussion on variability/uncertainty.
Overall Quality Determination^
High

1.0

* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
22

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:
Type of Data Source
Hero ID
EXTRACTION
Parameter	Data
Life Cycle Stage:	All
Life Cycle Description (Subcategory of Use):	All
Route of Exposure:	Used to develop a dermal exposure assessment method for volatile liq-
uids.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative
Metric 2:
Metric 3:
Geographic Scope
Applicability
Medium
High
X
X
1
2
2
2
Study measured dermal exposures during activities in the UK.
Study measured dermal exposures during occupational activi-
ties, which is generally relevant to the scopes of multiple chem-
Metric 4:
Metric 5:
Temporal Representativeness
Sample Size
Medium
High
X
X
2
1
4
1
Article was published in 2001; more than 10 years but less than
20 years old.
Statistics of the inside-glove exposures measured are well char-
acterized.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High
X
1
1
Metadata of the measured exposures are well documented.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
High
X
1
1
Detailed discussion on variability/uncertainty.
Overall Quality Determination^
High


1.3


* MWF = Metric Weighting Factor
I If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
23
Garrod, AN; Phillips, AM; Pemberton, JA. 2001. Potential exposure of hands inside protective gloves" a summary of data
from non-agricultural pesticide surveys. Annals of Occupational Hygiene.
Occupational Exposure; Monitoring Data;
5080256

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:
Type of Data Source
Hero ID
EXTRACTION
Parameter	Data
Life Cycle Stage:	All
Life Cycle Description (Subcategory of Use):	All
Route of Exposure:	Used to develop a dermal exposure assessment method for volatile liq-
uids.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
N/A
High
Medium
N/A
X
X
2
2
N/A
2
4
N/A
N/A. Geographic scope is not applicable to scientific research
of dermal exposures.
Article studies transient dermal exposure of volatile chemicals
that evaporate and absorb into skin simultaneously, which is
applicable to the scopes of multiple chemicals.
Article was published in 2006; more than 10 years but less than
20 years old.
N/A. Article studies science of skin permeation and evapora-
tion. Sample size is not applicable.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High
X
1
1
Article is well documented with methods, assumptions, and
sources.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
High
X
1
1
Detailed discussion on variability/uncertainty.
Overall Quality Determination^
High


1.3


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
24
Kasting, BG; Miller, MA. 2006. Kinetics of finite dose absorption through skin 2: Volatile compounds. Journal of Pharma-
ceutical Sciences.
Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
5018573

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:
Type of Data Source
Hero ID
EXTRACTION
Parameter	Data
Life Cycle Stage:	All
Life Cycle Description (Subcategory of Use):	All
Route of Exposure:	Used to develop a dermal exposure assessment method for volatile liq-
uids.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
N/A
High
High
Medium
X XX
2
2
1
N/A
2
2
2
N/A. Geographic scope not applicable to the validation of the
ECETOC TRA model.
ECETOC TRA model and exposure studies used for validation
cover a variety of occupational scenarios, which are applicable
to the scopes of multiple chemicals.
Article was published in 2017; less than 10 years old.
Statistics of dermal exposure observations obtained from the
literature are not fully characterized.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Medium
X
1
2
Article is well documented with methods, assumptions, and
results; however, sources used from literature search are not
fully described and the metadata associated with the literature
review exposure studies are not provided.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
High
X
1
1
Detailed discussion on variability/uncertainty.
Overall Quality Determination^
High


1.3


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
25
Marquart, H; Franken, R; Goede, H; Fransman, W; Schinkel, J. 2017. Validation of the dermal exposure model in ECETOC
TRA. Annals of Work Exposures and Health.
Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
5080455

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Baldwin, PE; Maynard, AD. 1998. A Survey of Wind Speed in Indoor Workplaces. Annals of Occupational Hygiene.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	3045135
EXTRACTION




Parameter
Data



Life Cycle Stage:
All



Life Cycle Description (Subcategory of Use):
All



Route of Exposure:
Used to develop a
dermal exposure assessment method for volatile liq-

uids.



EVALUATION




Domain Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability




Metric 1: Methodology
High
X 1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative




Metric 2: Geographic Scope
Medium
X 1
2
Article studied wind speeds in indoor workplaces in the UK.
Metric 3: Applicability
High
x 2
2
The types of workplaces studied include workplaces applicable




to the scopes of multiple chemicals.
Metric 4: Temporal Representativeness
Medium
x 2
4
Article was published in 1998; more than 10 years but less than




20 years old.
Metric 5: Sample Size
High
x 1
1
Statistics of wind speed surveys are well characterized.
Domain 3: Accessibility/Clarity




Metric 6: Metadata Completeness
High
x 1
1
Article is well documented with methods, assumptions, results,




and sources.
Domain 4: Variability and Uncertainty




Metric 7: Metadata Completeness
High
x 1
1
Detailed discussion on variability/uncertainty.
Overall Quality Determination^
High

1.3


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
26

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:
OSHA. 2017. Chemical Exposure Health Data (CEHD) provided by OSHA to EPA.
Type of Data Source
Occupational Exposure; Monitoring Data;
Hero ID
3827305
EXTRACTION

Parameter
Data
Life Cycle Stage:	All
Life Cycle Description (Subcategory of Use):	All
Exposure Concentration (Unit):	Provides personal breathing zone and area monitoring data.
EVALUATION






Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
OSHA and state inspectors are expected to use OSHA or
NIOSH sampling methods. Samples sent to the OSHA SLTC
are expected to be analyzed using OSHA or NIOSH analytical
methods.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
Medium
High
High
XX XX
1
2
2
1
1
4
2
1
U.S. based exposure data
The OSHA data include occupational scenarios within the
scopes of the chemicals as identified by NAICS code and facility
name. However, some occupational scenarios are not clear and
cannot be clearly mapped to conditions of use within scope.
Data provided by OSHA are not more than 10 years old.
Individual measurements are provided so the sample sets can
be fully statistically characterized.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Medium
X
1
2
OSHA data include sample type and exposure type. Sample
times also provided. Exposure frequency is inconsistently pro-
vided. Worker job descriptions provided, but often lacks suffi-
cient clarity.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Low
X
1
3
OSHA data do not discuss variability or uncertainty.
Overall Quality Determination^
High


1.6


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
27

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Defense Occupational and Environmental Health Readiness System - Industrial Hygiene (DOEHRS-IH). 2018. Email between
DOD and EPA: RE: [Non-DoD Source] Update: DoD exposure data for EPA risk evaluation - EPA request for additional
information.
Type of Data Source Occupational Exposure; Monitoring Data;
Hero ID	5178607
EXTRACTION
Parameter	Data
Life Cycle Stage:
Life Cycle Description (Subcategory of Use):
Exposure Concentration (Unit):
All
All
Provides personal breathing zone monitoring data.
EVALUATION
Domain	Metric	Rating MWF* Score	Comments
Domain 1: Reliability
Metric 1: Methodology	High	x 1	1 DOD service branches use OSHA and NIOSH methods and
DOD methods, which are expected to be equivalent to OSHA
or NIOSH methods.
Domain 2: Representative
Metric 2:
Metric 3:
Geographic Scope
Applicability
High x 1
Medium x 2
Metric 4: Temporal Representativeness High x 2
Metric 5: Sample Size	High x 1
1	U.S. based exposure data
4 The DOD data include occupational conditions of use within
the scopes of the chemicals, although additional uses poten-
tially outside of scope may also be included. However, some
occupational scenarios are not clear and cannot be clearly
mapped to conditions of use within scope.
2	Approximately 82 percent of the samples provided by DOD are
not more than 10 years old.
1	Individual measurements are provided so the sample sets can
be fully statistically characterized.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness	Medium X 1	2 DOD data include sample type (PBZ), sample time, process
duration and frequency, and workshift duration. Process and
worker job descriptions are provided, but inconsistent in detail
and often lack sufficient clarity.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness	Low	X 1	3 DOD data do not discuss variability or uncertainty.
Continued on next page
28

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
 continued from previous page
Source Citation:	Defense Occupational and Environmental Health Readiness System - Industrial Hygiene (DOEHRS-IH). 2018. Email between
DOD and EPA: RE: [Non-DoD Source] Update: DoD exposure data for EPA risk evaluation - EPA request for additional
information.
Type of Data Source Occupational Exposure; Monitoring Data;
Hero ID	5178607
EVALUATION
Domain
Metric
Rating MWF* Score
Comments
Overall Quality Determination^

High 1.6


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
29

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	California Air Resources Board. 2000. Initial statement of reasons for the proposed airborne toxic control measure for emissions
of chlorinated toxic air contaminants from automotive maintenance and repair activities.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	5071458
EXTRACTION
Parameter	Data
Life Cycle Stage:	Brake Servicing Model
Life Cycle Description (Subcategory of Use):	Brake Servicing Model
Route of Exposure:	Used to develop an inhalation exposure model.
EVALUATION






Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability






Metric 1:
Methodology
High
X
1
1
CARB is expected to use reliable data collection and survey






methods.
Domain 2: Representative






Metric 2:
Geographic Scope
High
X
1
1
Data surveyed and collected from U.S. (California) facilities
Metric 3:
Applicability
High
X
2
2
The CARB data are specific to brake servicing and include






halogenated solvent aerosol brake cleaners, which is applicable






to the scope of the model.
Metric 4:
Temporal Representativeness
Medium
X
2
4
The report was published in 2000, the manufacturer and facil-






ity surveys were conducted in 1997 and 1998, and site visits






were conducted circa 1998. All less than 20 years old (from






2016).
Metric 5:
Sample Size
Medium
X
1
2
Some data elements from site visits include all individual data






points; some surveyed data elements include some statistics






(more than range but not full distribution), and some data






elements have limited distribution information.
Domain 3: Accessibility/Clarity





Metric 6:
Metadata Completeness
High
X
1
1
Report fully documents its data sources, assessment methods,






results, and assumptions.
Domain 4: Variability and Uncertainty





Metric 7:
Metadata Completeness
High
X
1
1
Report discusses and addresses variability and uncertainty.
Overall Quality Determination^	High	1.3
Continued on next page
30

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
 continued from previous page
Source Citation:	California Air Resources Board. 2000. Initial statement of reasons for the proposed airborne toxic control measure for emissions
of chlorinated toxic air contaminants from automotive maintenance and repair activities.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	5071458
EVALUATION
Domain	Metric	Rating MWF* Score	Comments
* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
31

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:
Type of Data Source
Hero ID
EXTRACTION
Parameter	Data
Life Cycle Stage:	Brake Servicing Model
Life Cycle Description (Subcategory of Use):	Brake Servicing Model
Route of Exposure:	Used to develop an inhalation exposure model.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
Medium
High
Low
Medium
XXX X
1
2
2
1
2
2
6
2
Air ventilation rate data are at least in part based on European
data (but may also include U.S. data).
Ventilation rate data are applicable to the scope of the model.
Paper published in 2009; data are based on 2006 and 1991 data.
Data are in part more than than 20 years old (as measured from
2016).
Ventilation rate provided as range with uncertain distribution.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Medium
X
1
2
Sources are cited, but does not provide details on how reported
values were derived from cited sources.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium
X
1
2
Variability of ventilation rates provided, but uncertainty not
discussed.
Overall Quality Determination^
Medium


1.9


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
32
Demou, E.,Hellweg, S.,Wilson, M. P.,Hammond, S. K.,McKone, T. E.. 2009. Evaluating indoor exposure modeling alternatives
for LCA: A case study in the vehicle repair industry. Environmental Science and Technology.
Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
2591566

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Golsteijn, L.,Huizer, D.,Hauck, M.,van Zelm, R.,Huijbregts, M. A.. 2014. Including exposure variability in the life cycle
impact assessment of indoor chemical emissions: the case of metal degreasing. Environment International.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	2537636
EXTRACTION
Parameter	Data
Life Cycle Stage:
Life Cycle Description (Subcategory of Use):
Route of Exposure:
Brake Servicing Model
Brake Servicing Model
Used to develop an inhalation exposure model.
EVALUATION
Domain	Metric	Rating MWF* Score	Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative






Metric 2:
Geographic Scope
Medium
X
1
2
Air ventilation rate data based on European data.
Metric 3:
Applicability
High
X
2
2
Ventilation rate data are applicable to the scope of the model.
Metric 4:
Temporal Representativeness
High
X
2
2
Ventilation rate data based on 2012 and 2003 sources. Article






published in 2014.
Metric 5:
Sample Size
Medium
X
1
2
Ventilation rate provided as range with uncertain distribution.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness	Medium X 1	2 Sources are cited, but does not provide details on how reported
values were derived from cited sources.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium x 1
2 Variability of ventilation rates provided, but uncertainty not
discussed.
Overall Quality Determination^
High
1.4

* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
33

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:
Type of Data Source
Hero ID
EXTRACTION
Parameter	Data
Life Cycle Stage:	Brake Servicing Model
Life Cycle Description (Subcategory of Use):	Brake Servicing Model
Route of Exposure:	Used to develop an inhalation exposure model.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
Medium
High
Low
Medium
X XX X
1
2
2
1
2
2
6
2
Air ventilation rate data are at least in part based on European
data (but may also include U.S. data).
Ventilation rate data are applicable to the scope of the model.
Paper published in 2009; data appear to be from sources dating
from 1989 to 1993.
Ventilation rate provided as range with uncertain distribution.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Medium
X
1
2
Sources are cited, but does not provide details on how reported
values were derived from cited sources.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium
X
1
2
Variability of ventilation rates provided, but uncertainty not
discussed.
Overall Quality Determination^
Medium


1.9


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
34
Hellweg, S; Demou, E; Bruzzi, R; Meijer, A; Rosenbaum, RK; Huijbregts, MA; Mckone, TE. 2009. Integrating human indoor
air pollutant exposure within Life Cycle Impact Assessment. Environmental Science and Technology.
Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
634560

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Scientific Consulting Group, Inc.. 2013. Final peer review comments for the OPPT trichloroethylene (TCE) draft risk
assessment.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	3044932
EXTRACTION
Parameter	Data
Life Cycle Stage:	Brake Servicing Model
Life Cycle Description (Subcategory of Use):	Brake Servicing Model
Route of Exposure:	Used to develop an inhalation exposure model.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
Low
X
1
3
Peer reviewer does not provide data sources or techniques used
to arrive at ventilation rate estimates.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
Medium
Medium
XXX X
1
2
2
1
1
2
4
2
Peer reviewer's experience appears to be U.S. based.
Ventilation rate data are applicable to the scope of the model.
Time period of the peer reviewer's observations not provided,
but not expected to be outdated.
Ventilation rate provided as range with uncertain distribution.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Low
X
1
3
Underlying data sources not transparent.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium
X
1
2
Variability of ventilation rates provided, but uncertainty not
discussed.
Overall Quality Determination^
Medium


1.9


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
35

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:
Type of Data Source
Hero ID
EXTRACTION
Parameter	Data
Life Cycle Stage:	1) Dry Cleaning Release Model2) Dry Cleaning Exposure Model
Route of Exposure:	Provides data used in inhalation exposure and release models (number
of loads per day).
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
High
High
XX X X
1
2
2
1
1
2
2
1
Studies New Jersey (U.S.) based dry cleaners.
Observed dry cleaning data are applicable to the scope of the
model.
Paper published in 2010, site visits conducted circa 2009; less
than 10 years old.
Limited number of samples, but individual data points allow
characterization of distribution.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High
X
1
1
Article fully documents its data sources, assessment methods,
results, and assumptions.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
High
X
1
1
Discusses uncertainty and variability in observed data.
Overall Quality Determination^
High


1.0


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
36
Blando, J. D.,Schill, D. P.,De La Cruz, M. R,Zhang, L.,Zhang, J.. 2010. Preliminary study of propyl bromide exposure
among New Jersey dry cleaners as a result of a pending ban on perchloroethylene. Journal of the Air and Waste Management
Association.
Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
1619253

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	California Air Resources Board. 2006. California Dry Cleaning Industry Technical Assessment Report. Stationary Source
Division, Emissions Assessment Branch.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	5176440
EXTRACTION
Parameter	Data
Life Cycle Stage:	1) Dry Cleaning Release Model2) Dry Cleaning Exposure Model3) Spot
Cleaning Exposure Model
Route of Exposure:	Provides data used in inhalation exposure and release models.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
CARB is expected to use reliable data collection and survey
methods.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
Medium
High
XX X X
1
2
2
1
1
2
4
1
Data surveyed and collected from U.S. (California) facilities
Observed dry cleaning data are applicable to the scope of the
model.
Report published in 2006, data surveyed and collected circa
2003; more than 10 years old but less than 20 years.
Collected data are generally provided with robust statistics.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High
X
1
1
Article fully documents its data sources, assessment methods,
results, and assumptions.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
High
X
1
1
Discusses uncertainty and variability in observed data.
Overall Quality Determination^
High


1.2


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
37

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:
Niosh,. 1997. Hazard control: Control of exposure to perchloroethylene in commercial drycleaning (machine design) (HC 18).
Type of Data Source
Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID
3974935
EXTRACTION

Parameter
Data
Life Cycle Stage:	1) Dry Cleaning Release Model2) Dry Cleaning Exposure Model
Route of Exposure:	Provides data used in inhalation exposure and release models.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
NIOSH is expected to use reliable data collection and survey
methods.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
Medium
Low
XXX X
1
2
2
1
1
2
4
3
Data are based on U.S. dry cleaning machines.
Dry cleaning data are applicable to the scope of the model.
Document published in 1997; more than 10 years old but gen-
erally less than 20 years.
Data characterized with no statistics.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Low
X
1
3
Provides results but generally does not provide data sources,
methods, or assumptions.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Low
X
1
3
Generally does not discuss variability or uncertainty.
Overall Quality Determination^
Medium


1.9


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
38

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Niosh,. 1997. Control of health and safety hazards in commercial drycleaners: chemical exposures, fire hazards, and ergonomic
risk factors.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	3044963
EXTRACTION
Parameter	Data
Life Cycle Stage:	1) Dry Cleaning Release Model2) Dry Cleaning Exposure Model
Route of Exposure:	Provides data used in inhalation exposure and release models.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
NIOSH is expected to use reliable data collection and survey
methods.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
Medium
Low
XXX X
1
2
2
1
1
2
4
3
Data are based on U.S. dry cleaning machines.
Dry cleaning data are applicable to the scope of the model.
Document published in 1997; more than 10 years old but gen-
erally less than 20 years.
Data characterized with no statistics.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Low
X
1
3
Provides results but generally does not provide data sources,
methods, or assumptions.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Low
X
1
3
Generally does not discuss variability or uncertainty.
Overall Quality Determination^
Medium


1.9


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
39

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Eisenberg, J.,Ramsey, J.. 2010. Health hazard evaluation report no. HETA 2008-0175-3111, Evaluation of 1-Bromopropane
use in four New Jersey commercial dry cleaning facilities.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	3970603
EXTRACTION
Parameter	Data
Life Cycle Stage:	1) Dry Cleaning Release Model2) Dry Cleaning Exposure Model
Route of Exposure:	Provides data used in inhalation exposure and release models.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
NIOSH is expected to use reliable data collection methods.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
High
High
XXX X
1
2
2
1
1
2
2
1
Data are based on U.S. dry cleaning machines.
Dry cleaning data are applicable to the scope of the model.
Site visits conducted in 2008; less than 10 years old (from
2016).
Limited number of samples, but individual data points allow
characterization of distribution.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High
X
1
1
Article fully documents its data sources, assessment methods,
results, and assumptions.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium
X
1
2
Discusses variability among the different sites.
Overall Quality Determination^
High


1.1


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
40

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:
Type of Data Source
Hero ID
EXTRACTION
Parameter	Data
Life Cycle Stage:	1) Dry Cleaning Release Model2) Dry Cleaning Exposure Model3) Spot
Cleaning Exposure Model
Route of Exposure:	Provides data used in inhalation exposure and release models.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
King County has used reliable data collection and survey meth-
ods.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
High
High
XXX X
1
2
2
1
1
2
2
1
Data are based on U.S. dry cleaning machines (Washington).
Dry cleaning data are applicable to the scope of the model.
Site visits conducted in 2009-2010, with surveys conducted af-
terwards; less than 10 years old (from 2016).
Collected data are generally provided with robust statistics.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High
X
1
1
Article fully documents its data sources, assessment methods,
results, and assumptions.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
High
X
1
1
Discusses uncertainty and variability in observed data.
Overall Quality Determination^
High


1.0


* MWF = Metric Weighting Factor
r If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
41
Whittaker, SG; Johanson, CA. 2011. A profile of the dry cleaning industry in King County, Washington: Final report. Local
Hazardous Waste Management Program in King County.
Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
3827371

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Institute for Research and Technical Assistance. 2007. Spotting chemicals: Alternatives to perchloroethylene and
trichloroethylene in the textile cleaning industry.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	3045700
EXTRACTION
Parameter	Data
Life Cycle Stage:	1) Spot Cleaning Exposure Model2) Dry Cleaning Exposure Model
Route of Exposure:	Provides data used in inhalation exposure models.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
CalEPA and EPA funded project expected to use reliable data
collection methods.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
High
Low
X
X
X
X
1
2
2
1
1
2
2
3
Data are based on U.S. dry cleaning machines (California)
Dry cleaning data are applicable to the scope of the model.
Report published in 2007; less than 10 years old (from 2016).
Data characterized with no statistics.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Low
X
1
3
Provides results but generally does not provide data sources,
methods, or assumptions.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Low
X
1
3
Generally does not discuss variability or uncertainty.
Overall Quality Determination^
Medium


1.7


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
42

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	von Grote, J.,Hurlimann, C.,Scheringer, M.,Hungerbiihler, K.. 2006. Assessing occupational exposure to perchloroethylene in
dry cleaning. Journal of Occupational and Environmental Hygiene.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	632592
EXTRACTION
Parameter
Data
Life Cycle Stage:
Route of Exposure:
1) Spot Cleaning Exposure Model2) Dry Cleaning Exposure Model
Provides data used in inhalation exposure models.
EVALUATION





Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability





Metric 1:
Methodology
High
X 1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative





Metric 2:
Geographic Scope
Medium
X 1
2
Data based on German dry cleaners (OECD country).
Metric 3:
Applicability
High
x 2
2
Dry cleaning data are applicable to the scope of the model.
Metric 4:
Temporal Representativeness
Medium
x 2
4
Work based on dissertation published in 2003. More than 10





but less than 20 years old.
Metric 5:
Sample Size
Medium
x 1
2
The various data elements used from the study are presented





mostly as ranges or averages.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Medium x 1
2
Sources are cited, but does not provide details on how reported
values were derived from cited sources.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium x 1
2
Variability in parameter values discussed, but no discussion of
uncertainties.
Overall Quality Determination^
Medium
1.7


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
43

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Morris, M; Wolf, K. 2005. Evaluation of New and Emerging Technologies for Textile Cleaning. Institute for Research and
Technical Assistance.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	5176441
EXTRACTION
Parameter	Data
Life Cycle Stage:	1) Spot Cleaning Exposure Model2) Dry Cleaning Exposure Model
Route of Exposure:	Provides data used in inhalation exposure models.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
CARB, CalEPA, and EPA funded project expected to use re-
liable data collection methods.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Geographic Scope
Applicability
Temporal Representativeness
High
High
Medium
XXX
1
2
2
1
2
4
Data are based on U.S. dry cleaners (California).
Spot cleaning data are applicable to the scope of the model.
Report published in 2005; more than 10 but less than 20 years
Metric 5:
Sample Size
Low
X
1
3
Data characterized with no statistics.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Low
X
1
3
Provides results but generally does not provide data sources,
methods, or assumptions.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Low
X
1
3
Generally does not discuss variability or uncertainty.
Overall Quality Determination^
Medium


1.9


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
44

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Blando, J; Schill, D; De La Cruz, P; Zhang, L; Zhang, J. 2009. PERC ban among dry cleaners leads to 1-bromopropane
exposures with alternative "green" solvent.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	3045119
EXTRACTION
Parameter	Data
Life Cycle Stage:	Dry Cleaning Exposure Model
Route of Exposure:	Provides data to estimate 1-BP based spot cleaner use rate in inhalation
exposure model.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
State and academic research expected to use reliable data col-
lection methods.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
High
Low
XXX X
1
2
2
1
1
2
2
3
Data are based on U.S. dry cleaners (New Jersey).
Spot cleaning data are applicable to the scope of the model.
Data collected from 2008 to 2009; less than 10 years old (from
2016).
Data characterized with no statistics.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Medium
X
1
2
Sources are cited, but does not provide details on how reported
values were derived from cited sources.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium
X
1
2
Limited discussion of variability and uncertainty in results.
Overall Quality Determination^
High


1.4


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
45

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:
Enviro Tech International. 2013. Drysolv spray testing & spotter. Material safety data sheet.
Type of Data Source
Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID
3045693
EXTRACTION

Parameter
Data
Life Cycle Stage:	1) Spot Cleaning Exposure Model2) Dry Cleaning Exposure Model
Route of Exposure:	Provides 1-BP concentration in 1-BP based spot cleaner.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
Product manufacturer is expected to know the composition of
their products.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
High
Low
X
X
X
X
1
2
2
1
1
2
2
3
Product available for sale in U.S.
Spot cleaning data are applicable to the scope of the model.
SDS issue date is 2013; less than 10 years old.
Data characterized with no statistics.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High
X
1
1
All needed metadata are provided.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium
X
1
2
Range in concentration provided; unclear if this represents
variability or uncertainty in the concentration.
Overall Quality Determination^
High


1.3


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
46

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Eastern Research Group Inc.. 2005. [Letter from Eric Goehl and Jennifer O'Neil, Eastern Research group, Inc, to Dry Cleaning
Docket, Subject: Background information document].
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	3045690
EXTRACTION
Parameter	Data
Life Cycle Stage:	Dry Cleaning Exposure Model
Route of Exposure:	Provides data used in inhalation exposure models.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
Data collected in support of EPA rulemaking.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
Medium
High
X
X
X
X
1
2
2
1
1
2
4
1
Data are based on U.S. dry cleaners.
Dry cleaning data are applicable to the scope of the model.
Data are more than 10 years old but less than 20 years old.
Individual data points provided.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
High
X
1
1
Report fully documents its data sources, assessment methods,
results, and assumptions.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium
X
1
2
Limited discussion of variability and uncertainty in results.
Overall Quality Determination^
High


1.3


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
47

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Massachusetts Department of Environmental Protection. 2013. Alternative dry cleaning technologies comparative analysis
worksheet.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	3045045
EXTRACTION
Parameter	Data
Life Cycle Stage:	1) Spot Cleaning Exposure Model2) Dry Cleaning Exposure Model
Route of Exposure:	Provides data on 1-BP based spot cleaner for use in inhalation exposure
models.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
State and TURI expected to use reliable data collection meth-
ods.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
High
High
High
Low
X
X
X
X
1
2
2
1
1
2
2
3
Data are based on U.S. dry cleaners.
Dry cleaning data are applicable to the scope of the model.
Worksheet published in 2013; less than 10 years old.
Data characterized with no statistics.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Low
X
1
3
Provides results but generally does not provide data sources,
methods, or assumptions.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Low
X
1
3
Generally does not discuss variability or uncertainty.
Overall Quality Determination^
Medium


1.7


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
48

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Source Citation:
Type of Data Source
Hero ID
EXTRACTION
Parameter	Data
Life Cycle Stage:	Dry Cleaning Exposure Model
Route of Exposure:	Cited for:l) Residual solvent on garments2) Duration of finishing/
pressing3) Size of machine cylinders
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
Academic PhD dissertation expected to use reliable data col-
lection and analysis methods.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
Medium
High
Medium
Medium
XXX X
1
2
2
1
2
2
4
2
Data based on German dry cleaners (OECD country).
Dry cleaning data are applicable to the scope of the model.
Dissertation published in 2003. More than 10 but less than 20
years old.
The various data elements used from the study are presented
mostly as ranges or averages.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Medium
X
1
2
Sources are cited, but does not provide details on how reported
values were derived from cited sources.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium
X
1
2
Variability in parameter values discussed, but no discussion of
uncertainties.
Overall Quality Determination^
Medium


1.7


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
49
Von Grote, J. 2003. Occupational Exposure Assessment in Metal Degreasing and Dry Cleaning -Influences of Technology
Innovation and Legislation. A dissertation submitted to the Swiss Federal Institute of Technology Z"rich for the degree of
Doctor of Natural Sciences. Swiss Federal Institute of Technology Z"rich.
Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
5176439

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	Von Grote, J.,J. C. Hurlimann,Scheringer, M.,Hungerbuhler, K.. 2003. Reduction of Occupational Exposure to Perchloroethy-
lene and Trichloroethylene in Metal Degreasing over the Last 30 years: Influence of Technology Innovation and Legislation.
Journal of Exposure Analysis and Environmental Epidemiology.
Type of Data Source Occupational Exposure; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	3045042
EXTRACTION
Parameter	Data
Life Cycle Stage:	Vapor and Cold Degreasing Exposure Models
Route of Exposure:	Cited for far-field volumes for inhalation exposure models.
EVALUATION
Domain
Metric
Rating
MWF*
Score
Comments
Domain 1: Reliability
Metric 1:
Methodology
High
X
1
1
Article is published in peer-reviewed scientific journal.
Domain 2: Representative
Metric 2:
Metric 3:
Metric 4:
Metric 5:
Geographic Scope
Applicability
Temporal Representativeness
Sample Size
Medium
High
Medium
Medium
XX X X
1
2
2
1
2
2
4
2
Data based on German facilities (OECD country).
Degreasing facility data are applicable to the scope of the
model.
Work based on dissertation published in 2003. More than 10
but less than 20 years old.
The various data elements used from the study are presented
mostly as ranges or averages.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness
Medium
X
1
2
Sources are cited, but does not provide details on how reported
values were derived from cited sources.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness
Medium
X
1
2
Variability in parameter values discussed, but no discussion of
uncertainties.
Overall Quality Determination^
Medium


1.7


* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
50

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PEER REVIEW DRAFT
Facility
DO NOT CITE OR QUOTE

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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
Source Citation:	U.S. EPA. 2017. Public database 2016 chemical data reporting (May 2017 release).
Type of Data Source Facility; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	3827204
EXTRACTION
Parameter	Data
Life Cycle Stage:
Life Cycle Description (Subcategory of Use):
Total Annual U.S. Volume (and percent of PV):
Number of Sites:
Possible Physical Form:
Chemical Concentration:
Manufacture and Import
Manufacture and Import
Provides U.S. domestic manufactured and imported PV and percent PV
to downstream uses.
Provides number of manufacturing and import sites.
Provides physical form.
Provides concentration.
EVALUATION
Domain	Metric	Rating MWF* Score	Comments
Domain 1: Reliability
Metric 1: Methodology	High	x 1	1 EPA is a trusted source.
Domain 2: Representative
Metric 2:
Geographic Scope
High
X
1
1
CDR is U.S. based data.
Metric 3:
Applicability
High
X
2
2
CDR covers chemical manufacturers and importers, which are
in scope for all chemicals.
Metric 4:
Temporal Representativeness
High
X
2
2
EPA used data from the 2016 CDR, which includes data re-
ported for 2015.
Metric 5:
Sample Size
Medium
X
1
2
Due to reporting threshold, statistical representativeness is un-
clear.
Domain 3: Accessibility/Clarity
Metric 6: Metadata Completeness	Medium X 1	2 Submissions do not include method of how production volumes
were determined. CDR industry sector codes, industrial pro-
cessing and use codes, industrial function codes, and commer-
cial product codes provide good metadata; but lack of clari-
fying information and narratives and occasional misreportings
limit clarity of data.
Domain 4: Variability and Uncertainty
Metric 7: Metadata Completeness	Low	X 1	3 CDR data do not address variability or uncertainty in submit-
ter provided data.
Continued on next page
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PEER REVIEW DRAFT - DO NOT CITE OR QUOTE
 continued from previous page
Source Citation:	U.S. EPA. 2017. Public database 2016 chemical data reporting (May 2017 release).
Type of Data Source Facility; Reports for Data or Information Other than Exposure or Release Data;
Hero ID	3827204
EVALUATION
Domain	Metric	Rating MWF* Score	Comments
Overall Quality Determination^	High	1.4
* MWF = Metric Weighting Factor
t If any individual metrics are deemed Unacceptable, then the overall rating is also unacceptable. Otherwise, the overall rating is based on the following scale:
High: > 1 to < 1.7; Medium: > 1.7 to < 2.3; Low: > 2.3 to < 3.
53

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