ASTM D7339-07
(Test Method)Standard Test Method for Determination of Volatile Organic Compounds Emitted from Carpet using a Specific Sorbent Tube and Thermal Desorption / Gas Chromatography
Standard Test Method for Determination of Volatile Organic Compounds Emitted from Carpet using a Specific Sorbent Tube and Thermal Desorption / Gas Chromatography
SIGNIFICANCE AND USE
Manufacturers of carpet need to monitor emissions of VOCs to assess the environmental impact of their products indoors. These results are also used to demonstrate compliance with VOC emission limits for individual VOCs.
These data are also used to understand which VOCs are emitted from a product or material and to measure the magnitude of those emissions.
Emission data may be used to compare different lots of carpet of the same materials of construction, or carpets composed of different materials of construction, in order to develop products with lower emissions and lower potential environmental impact.
This test method should be used in conjunction with practices/guidelines for emissions testing such as Guide D 5116, Practice D 7143, EN ISO 16000-9 and EN ISO 16000-10. These detail how to select and prepare samples and how and when to carry out emissions tests such that the concentration and profile of vapors in the exhaust air of the emission chamber/cell are representative of the product under test. This standard method covers the sampling and analysis of volatile organic compounds in the exhaust gas from the chamber/cell using thermal desorption—compatible sorbent tubes and will provide the necessary analytical consistency to ensure that reproducible data is obtained for the analysis of identical vapor samples by different laboratories.
SCOPE
1.1 This test method describes an analytical procedure for identifying and quantifying the masses of individual volatile organic compounds (individual VOCs or IVOCs) that are emitted into a flow of air from carpet specimens and collected on sorbent sampling tubes during emissions testing.
1.2 This test method will be used in conjunction with a standard practice for sampling and preparing carpet specimens for emissions testing. If a specific chamber practice is not available for the carpet specimens, this standard test method should be used in conjunction with approved standard practices for emissions testing and sample preparation.
1.3 When used in conjunction with standard practices for carpet specimen preparation and collection of vapor-phase emissions , this test method will provide a standardized means of determining the levels of IVOC in the exhaust stream of the emissions test chamber/cell. If this test method is used with a reliable practice for emissions testing, these IVOC levels can be used to determine the emission rate from a unit quantity (usually surface area) of the sample material under test.
1.4 VOCs in the exhaust stream of an emissions test device are collected on thermal desorption tubes packed with a specific combination of sorbents using active (pumped) sampling. (See Practice D 6196 for a more general description of vapor collection using pumped sampling onto sorbent tubes). The samples are analyzed by thermal desorption (TD) with gas chromatography and mass spectrometry detection (GC/MS) and/or flame ionization detection (FID) depending upon the requirements of the specific materials emissions testing/certification protocol.
1.5 This test method can be used for the measurement of most GC-compatible organic vapors ranging from the approximate volatility from n-hexane to n-hexadecane (that is, compounds with vapor pressures ranging from 16 kPa to 4 X 10-4 kPa at 25°C). Properties other than a compounds vapor pressure such as affinity for the sorbent may need to be taken into account. Compounds with vapor pressures outside this range may or may not be quantifiable by this method. However, qualitative data concerning the identity of a compound(s), outside the stated volatility range for quantitation, may still be useful to the user. The method can be applied to analytes over a wide concentration range—typically 1 μg/m3 to 1 mg/m3 concentration of vapor in the exhaust air from the emission cell or chamber.
1.6 This test method is not capable of quantifying all compounds which are emitted from carpets. See the appropriat...
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Designation:D7339 −07
StandardTest Method for
Determination of Volatile Organic Compounds Emitted from
Carpet using a Specific Sorbent Tube and Thermal
1
Desorption / Gas Chromatography
This standard is issued under the fixed designation D7339; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope pressure such as affinity for the sorbent may need to be taken
into account. Compounds with vapor pressures outside this
1.1 This test method describes an analytical procedure for
range may or may not be quantifiable by this method.
identifying and quantifying the masses of individual volatile
However, qualitative data concerning the identity of a
organic compounds (individual VOCs or IVOCs) that are
compound(s), outside the stated volatility range for
emitted into a flow of air from carpet specimens and collected
quantitation,maystillbeusefultotheuser.Themethodcanbe
on sorbent sampling tubes during emissions testing.
applied to analytes over a wide concentration range—typically
3 3
1.2 This test method will be used in conjunction with a
1 µg/m to 1 mg/m concentration of vapor in the exhaust air
standard practice for sampling and preparing carpet specimens
from the emission cell or chamber.
for emissions testing. If a specific chamber practice is not
1.6 This test method is not capable of quantifying all
available for the carpet specimens, this standard test method
compounds which are emitted from carpets. See the appropri-
shouldbeusedinconjunctionwithapprovedstandardpractices
ate test practices/methods for determining other compounds
for emissions testing and sample preparation.
that are not amenable to analysis by gas chromatography (that
1.3 When used in conjunction with standard practices for
is, Test Method D5197 for the determination of aldehydes).
carpet specimen preparation and collection of vapor-phase
1.7 This standard does not purport to address all of the
emissions , this test method will provide a standardized means
safety concerns, if any, associated with its use. It is the
of determining the levels of IVOC in the exhaust stream of the
responsibility of the user of this standard to establish appro-
emissions test chamber/cell. If this test method is used with a
priate safety and health practices and determine the applica-
reliable practice for emissions testing, these IVOC levels can
bility of regulatory limitations prior to use.
be used to determine the emission rate from a unit quantity
(usually surface area) of the sample material under test.
2. Referenced Documents
1.4 VOCs in the exhaust stream of an emissions test device
2
2.1 ASTM Standards:
are collected on thermal desorption tubes packed with a
D1356Terminology Relating to Sampling and Analysis of
specific combination of sorbents using active (pumped) sam-
Atmospheres
pling. (See Practice D6196 for a more general description of
D3686Practice for Sampling Atmospheres to Collect Or-
vapor collection using pumped sampling onto sorbent tubes).
ganic Compound Vapors (Activated Charcoal Tube Ad-
Thesamplesareanalyzedbythermaldesorption(TD)withgas
sorption Method)
chromatography and mass spectrometry detection (GC/MS)
D5116Guide for Small-Scale Environmental Chamber De-
and/or flame ionization detection (FID) depending upon the
terminationsofOrganicEmissionsfromIndoorMaterials/
requirements of the specific materials emissions testing/
Products
certification protocol.
D5197TestMethodforDeterminationofFormaldehydeand
1.5 This test method can be used for the measurement of
OtherCarbonylCompoundsinAir(ActiveSamplerMeth-
most GC-compatible organic vapors ranging from the approxi-
odology)
mate volatility from n-hexane to n-hexadecane (that is, com-
D5337Practice for Flow RateAdjustment of Personal Sam-
-4
pounds with vapor pressures ranging from 16 kPa to4×10
pling Pumps
kPa at 25°C). Properties other than a compound’s vapor
1 2
This test method is under the jurisdiction of ASTM Committee D22 on Air For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Quality and is the direct responsibility of Subcommittee D22.05 on Indoor Air. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved April 1, 2007. Published May 2007. DOI: 10.1520/ Standards volume information, refer to the standard’s Document Summary page on
D7339-07. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D7339−07
D6196Practice for Selection of Sorbents, Sampling, and polyphenylene oxi
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