ASTM D8141-17

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Designation: D8141 − 17
Standard Guide for
Selecting Volatile Organic Compounds (VOCs) and Semi-
Volatile Organic Compounds (SVOCs) Emission Testing
Methods to Determine Emission Parameters for Modeling of
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Indoor Environments
This standard is issued under the fixed designation D8141; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope the area-specific emission rate or mass transfer emission
parameters. For chemicals where the controlling mass transfer
1.1 This guide is intended to serve as a foundation for
process is unknown, the guide outlines a procedure to deter-
understanding when to use emission testing methods designed
mineifthechemicalemissioniscontrolledbyconvectivemass
for volatile organic compounds (VOCs) to determine area-
transfer of the chemical from the material.
specific emission rates that are typically used in modeling
indoor VOC concentrations and when to use emission testing
1.8 This guide does not provide specific guidance for
methods designed for semi-volatile organic compounds measuring emission parameters.
(SVOCs) to determine mass transfer emission parameters that
1.9 Mechanisms controlling emissions from wet and dry
are typically used to model indoor SVOC concentrations.
materials and products are different. This guide considers the
1.2 Thisguidediscusseshoworganicchemicalsareconven-
emission of chemicals from dry materials and products. Ex-
tionally categorized with respect to volatility.
amples of SVOCs that this guide applies to include flame
retardants, plasticizers, antioxidants, preservatives, and co-
1.3 This guide presents a simplified mass transfer model
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alescing agents (1). Emission estimations for other SVOC
describing organic chemical emissions from a material to bulk
classes including those generated by incomplete combustion,
air. The values of the model parameters are shown to be
sprayed, or applied as a powder (pesticides, termiticides,
specific to material/chemical/chamber combinations.
herbicides, stain repellents, sealants, water repellants) (1) may
1.4 This guide shows how to use a mass transfer model to
require different approaches than outlined in this guide.
estimate whether diffusion of the chemical within the material
1.10 The effects of the emissions (for example, exposure,
or convective mass transfer of the chemical from the surface of
and health effects on occupants) are not addressed and are
thematerialtotheoverlyingairlimitschemicalemissionsfrom
beyond the scope of this guide.
the material surface.
1.11 The values stated in SI units are to be regarded as
1.5 Thisguidedescribestherangeofdifferentchambersthat
standard. No other units of measurement are included in this
are available for emission testing. The chambers are classified
standard.
as either dynamic or static and either conventional or sand-
wich. The chambers are categorized as being optimal to
1.12 This standard does not purport to address all of the
determine either the area-specific emission rate or mass trans-
safety concerns, if any, associated with its use. It is the
fer emission parameters.
responsibility of the user of this standard to establish appro-
priate safety, health, and environmental practices and deter-
1.6 This guide discusses the roles sorption and convective
mine the applicability of regulatory limitations prior to use.
mass transfer coefficients play in selecting the proper emission
1.13 This international standard was developed in accor-
chamber and analysis method to accurately and efficiently
dance with internationally recognized principles on standard-
characterize emissions from indoor materials for use in mod-
ization established in the Decision on Principles for the
eling indoor chemical concentrations.
Development of International Standards, Guides and Recom-
1.7 This guide gives recommendations on when to choose
mendations issued by the World Trade Organization Technical
an emission test method that is optimized to determine either
Barriers to Trade (TBT) Committee.
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This guide is under the jurisdiction of ASTM Committee D22 on Air Quality
and is the direct responsibility of Subcommittee D22.05 on Indoor Air.
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Current edition approved Oct. 1, 2017. Published October 2017. DOI: 10.1520/ The boldface numbers in parentheses refer to the list of references at the end of
D8141-17. this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D8141 − 17
2. Referenced Documents 3.1.1 For definitions of terms commonly used for samplin
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