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ASTM D6420-99(2010)

(Test Method)

Standard Test Method for Determination of Gaseous Organic Compounds by Direct Interface Gas Chromatography-Mass Spectrometry

Standard Test Method for Determination of Gaseous Organic Compounds by Direct Interface Gas Chromatography-Mass Spectrometry

SIGNIFICANCE AND USE
This field test method determines the mass concentration of VOHAPs (or any subset) listed in Section 1.
Multiplying the mass concentration by the effluent volumetric flow rate (see 2.2) yields mass emission rates.
This field test method employs the typical laboratory GCMS techniques and QA/QC procedures.
This field test method provides data with accuracy and precision similar to most laboratory GCMS instrumentation.
Note 1—Supporting data are available from ASTM Headquarters Request RR:_______.
SCOPE
1.1 This test method employs a direct interface gas chromatograph/mass spectrometer (GCMS) to identify and quantify the 36 volatile organic compounds (or sub-set of these compounds) listed as follows. The individual Chemical Abstract Service (CAS) numbers are listed after each compound.

General Information

Status
Historical
Publication Date
30-Sep-2010
ICS
71.040.50 - Physicochemical methods of analysis
Technical Committee
D22 - Air Quality
Drafting Committee
D22.03 - Ambient Atmospheres and Source Emissions
Current Stage
Ref Project

Relations

Replaces
ASTM D6420-99(2004) - Standard Test Method for Determination of Gaseous Organic Compounds by Direct Interface Gas Chromatography-Mass Spectrometry
Effective Date
01-Oct-2010
Replaced By
ASTM D6420-18 - Standard Test Method for Determination of Gaseous Organic Compounds by Direct Interface Gas Chromatography-Mass Spectrometry
Effective Date
01-Nov-2018
Referred By
ASTM F3510-21 - Standard Guide for Characterizing Fiber-Based Constructs for Tissue-Engineered Medical Products
Effective Date
01-Oct-2010
Referred By
ASTM F2150-19 - Standard Guide for Characterization and Testing of Biomaterial Scaffolds Used in Regenerative Medicine and Tissue-Engineered Medical Products
Effective Date
01-Oct-2010

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ASTM D6420-99(2010) - Standard Test Method for Determination of Gaseous Organic Compounds by Direct Interface Gas Chromatography-Mass SpectrometryASTM D6420-99(2010) - Standard Test Method for Determination of Gaseous Organic Compounds by Direct Interface Gas Chromatography-Mass Spectrometry
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ASTM D6420-99(2010) - Standard Test Method for Determination of Gaseous Organic Compounds by Direct Interface Gas Chromatography-Mass Spectrometry
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D6420 − 99 (Reapproved 2010)
Standard Test Method for
Determination of Gaseous Organic Compounds by Direct
1
Interface Gas Chromatography-Mass Spectrometry
This standard is issued under the fixed designation D6420; 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 ppm(v), using a full scan operation (between 45 and 300
atomic mass units). The range may be extended to higher or
1.1 This test method employs a direct interface gas
lower concentrations using either of the following procedures:
chromatograph/mass spectrometer (GCMS) to identify and
1.4.1 The initial three-point calibration concentrations and
quantify the 36 volatile organic compounds (or sub-set of these
the continuing calibration checks are adjusted to match the
compounds) listed as follows. The individual Chemical Ab-
stack concentrations, or
stract Service (CAS) numbers are listed after each compound.
1.4.2 The three-point calibration is extended to include
Benzene-71432 Methylene chloride-75092
additional concentrations to cover the measurement range.
Bromodichloromethane-75274 1,1,2,2-Tetrachloroethane-79349
Carbon disulfide-75150 1,1,1-Trichloroethane-71556
1.5 The minimum quantification level is 50 % of the lowest
Chloroform-67663 1,1,2-Trichloroethane-79005
calibration concentration. Responses below this level are
Methyl iso-Butyl ketone-108101 p-Xylene-106423
Styrene-100425 Bromomethane-74839
considered to be estimated concentrations, unless a calibration
Tetrachloroethylene-127184 Carbon tetrachloride-56235
standard check is conducted at a lower concentration to
Toluene-108883 Chlorobenzene-108907
demonstrate linearity. The sensitivity of the GCMS measure-
Bromoform-75252 c-1,3-Dichloropropene-10061015
Vinyl acetate-108054 1,2-Dichloroethane-156592
ment system for the individual target analytes depends upon:
Vinyl chloride-75014 1,1-Dichloroethene-75354
1.5.1 The specific instrument response for each target ana-
Chloromethane-74873 t-1,2-Dichloroethene-156605
lyte and the number of mass spectral quantification ions
cis-1,2-Dichloroethene-156592 Methyl ethyl ketone-78933
Dibromochloromethane-124481 2-Hexanone-591786
available.
1,1-Dichloroethane-107062 t-1,3-Dichloropropene-542756
1.5.2 The amount of instrument noise, and
1,2-Dichloropropane-78875 Trichloroethene-79016
1.5.3 The percent moisture content of the sample gas.
Ethylbenzene-100414 m-Xylene-108383
Ethyl chloride-75003 o-Xylene-95476
1.6 This standard does not purport to address all of the
1.2 The test method incorporates a performance-based
safety concerns, if any, associated with its use. It is the
approach, which validates each GCMS analysis by placing
responsibility of the user of this standard to establish appro-
boundaries on the instrument response to gaseous internal
priate safety and health practices and determine the applica-
standards and their specific mass spectral relative abundance.
bility of regulatory limitations prior to use. Additional safety
Using this approach, the test method may be extended to
precautions are described in Section 9.
analyze other compounds.
1.7 This international standard was developed in accor-
dance with internationally recognized principles on standard-
1.3 The test method provides on-site analysis of extracted,
ization established in the Decision on Principles for the
unconditioned, and unsaturated (at the instrument) gas samples
Development of International Standards, Guides and Recom-
from stationary sources. Gas streams with high moisture
mendations issued by the World Trade Organization Technical
content may require conditioning to prevent moisture conden-
Barriers to Trade (TBT) Committee.
sation within the instrument. For these samples, quality assur-
ance (QA) requirements are provided in the test method to
2. Referenced Documents
validate the analysis of polar, water-soluble compounds.
2
2.1 ASTM Standards:
1.4 Theinstrumentrangeshouldbesufficienttomeasurethe
D1356 Terminology Relating to Sampling and Analysis of
listed volatile organic compounds from 150 ppb(v) to 100
Atmospheres
D3195 Practice for Rotameter Calibration
1
This test method is under the jurisdiction of ASTM Committee D22 on Air
Quality and is the direct responsibility of Subcommittee D22.03 on Ambient
2
Atmospheres and Source Emissions. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Oct. 1, 2010. Published November 2010. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1999. Last previous edition approved in 2004 as D6420 – 99 (2004). Stand
...

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ASTM D5953M-23(Test Method)
Standard Test Method for Determination of Non-methane Organic Compounds (NMOC) in Ambient Air Using Cryogenic Preconcentration and Direct Flame Ionization Detection

SIGNIFICANCE AND USE
5.1 Many regulators, industrial processes, and other stakeholders require determination of NMOC in atmospheres.  
5.2 Accurate measurements of ambient NMOC concentrations are critical in devising air pollution control strategies and in assessing control effectiveness because NMOCs are primary precursors of atmospheric ozone and other oxidants (7, 8).  
5.2.1 The NMOC concentrations typically found at urban sites may range up to 1 ppm C to 3 ppm C or higher. In order to determine transport of precursors into an area monitoring site, measurement of NMOC upwind of the site may be necessary. Rural NMOC concentrations originating from areas free from NMOC sources are likely to be less than a few tenths of 1 ppm C.  
5.3 Conventional test methods based upon gas chromatography and qualitative and quantitative species evaluation are relatively time consuming, sometimes difficult and expensive in staff time and resources, and are not needed when only a measurement of NMOC is desired. The test method described requires only a simple, cryogenic pre-concentration procedure followed by direct detection with an FID. This test method provides a sensitive and accurate measurement of ambient total NMOC concentrations where speciated data are not required. Typical uses of this standard test method are as follows.  
5.4 An application of the test method is the monitoring of the cleanliness of canisters.  
5.5 Another use of the test method is the screening of canister samples prior to analysis.  
5.6 Collection of ambient air samples in pressurized canisters provides the following advantages:  
5.6.1 Convenient collection of integrated ambient samples over a specific time period,  
5.6.2 Capability of remote sampling with subsequent central laboratory analysis,  
5.6.3 Ability to ship and store samples, if necessary,  
5.6.4 Unattended sample collection,  
5.6.5 Analysis of samples from multiple sites with one analytical system,  
5.6.6 Collection of replicate samples for ...
SCOPE
1.1 This test method2 presents a procedure for sampling and determination of non-methane organic compounds (NMOC) in ambient, indoor, or workplace atmospheres.  
1.2 This test method describes the collection of integrated whole air samples in silanized or other passivated stainless steel canisters, and their subsequent laboratory analysis.  
1.2.1 This test method describes a procedure for sampling in canisters at final pressures above atmospheric pressure (pressurized sampling).  
1.3 This test method employs a cryogenic trapping procedure for concentration of the NMOC prior to analysis.  
1.4 This test method describes the determination of the NMOC by the flame ionization detection (FID), without the use of gas chromatographic columns and other procedures necessary for species separation.  
1.5 The range of this test method is from 20 ppb C to 10 000 ppb C (1, 2).3  
1.6 This test method has a larger uncertainty for some halogenated or oxygenated hydrocarbons than for simple hydrocarbons or aromatic compounds. This is especially true if there are high concentrations of chlorocarbons or chlorofluorocarbons present.  
1.7 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.  
1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.9 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Techn...

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ASTM D5015-15(2022)(Test Method)
Standard Test Method for pH of Atmospheric Wet Deposition Samples by Electrometric Determination

SIGNIFICANCE AND USE
5.1 The accurate measurement of pH in atmospheric wet deposition is an essential and critically important component in the monitoring of atmospheric wet deposition for trends in the acidity and overall air quality. Atmospheric wet deposition is, in general, a low ionic strength, unbuffered solution. Special precautions, as detailed in this test method, are necessary to ensure accurate pH measurements (1).3 Special emphasis must be placed on minimizing the effect of the residual liquid junction potential bias.  
5.2 This test method is applicable only to the measurement of pH in atmospheric wet deposition. Its use in other applications may result in inaccuracies.  
5.3 Fig. 1 provides a frequency distribution of precipitation pH values measured in conjunction with a national monitoring program within the United States. These data are an indication of the range of pH values common to atmospheric wet deposition.
FIG. 1 Frequency Distribution of Measured Laboratory pH of Atmospheric Wet Deposition From the 1984 National Atmospheric Deposition Program (NADP)/National Trends Network (NTN)
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1.1 This test method is applicable to the determination of pH in atmospheric wet deposition samples by electrometric measurement using either a pH half cell with a reference probe or a combination electrode as the sensor.  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 Warning—Mercury has been designated by many regulatory agencies as a hazardous material that can cause serious medical issues. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. See the applicable product Safety Data Sheet (SDS) for additional information. Users should be aware that selling mercury or mercury-containing products into your state or country may be prohibited by law.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM E1979-21(Practice)
Standard Practice for Ultrasonic Extraction of Paint, Dust, Soil, and Air Samples for Subsequent Determination of Lead

SIGNIFICANCE AND USE
5.1 Ultrasonic extraction using dilute nitric acid is a simpler and easier method for extracting lead from environmental samples than are traditional digestion methods that employ hot plate or microwave digestion with concentrated acids (3), (5), (7), (8). Hence, ultrasonic extraction may be used in lieu of the more rigorous strong acid/high temperature digestion methods (for example, see Ref (3) and Test Method E1613), provided that the performance is demonstrated using accepted criteria as delineated in Guide E1775.  
5.2 In contrast with hot plate or microwave digestion techniques, ultrasonic extraction is field-portable, which allows for on-site sample analysis.
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1.1 This practice covers an ultrasonic extraction procedure for the extraction of lead from environmental samples of interest in lead abatement and renovation (or related) work, for analytical purposes.  
1.2 Environmental matrices of concern include dry paint films, settled dusts, soils, and air particulates.  
1.3 Samples subjected to ultrasonic extraction are prepared for subsequent determination of lead by laboratory analytical methods.  
1.4 This practice includes, where applicable, descriptions of procedures for sample homogenization and weighing prior to ultrasonic extraction.  
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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ASTM E2913/E2913M-21(Practice)
Standard Practice for Hotplate Digestion of Lead from Composited Wipe Samples

SIGNIFICANCE AND USE
5.1 This practice is for use in the preparation of no more than four wipe samples combined to form a composited sample for subsequent determination of lead content.  
5.2 This practice assumes use of wipes that meet Specification E1792 and should not be used unless the wipes meet Specification E1792.  
5.3 This practice is capable of preparing samples for determination of lead bound within paint dust.  
5.4 This practice may not be capable of preparing samples for determination of lead bound within silica or silicate matrices, or within matrices not soluble in nitric acid.  
5.5 Adjustment of the nitric acid concentration or acid strength, or both, of the final extract solution may be necessary for compatibility with the instrumental analysis method to be used for lead quantification.  
5.6 This sample preparation practice has not been validated for use and must be validated by the user prior to using the practice for client samples.
Note 1: Each combination of wipes (two wipes, three wipes, and four wipes) constitutes a different matrix and must be separately validated.
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1.1 This practice is similar to Practice E1644 and covers the hot, nitric acid digestion of lead (Pb) from a composited sample of up to four individual wipe samples of settled dust collected from equally-sized areas in the same space.  
1.2 This practice contains notes which are explanatory and not part of mandatory requirements of the practice.  
1.3 This practice should be used by analysts experienced in digestion techniques such as hot blocks. Like all procedures used in an analytical laboratory, this practice needs to be validated for use and shown to produce acceptable results before being applied to client samples.  
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
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ASTM E2914/E2914M-21(Practice)
Standard Practice for Ultrasonic Extraction of Lead from Composited Wipe Samples

SIGNIFICANCE AND USE
5.1 This practice is for use in the preparation of no more than four wipe samples collected from equally-sized areas in the same space combined to form a composited sample for subsequent determination of lead content.  
5.2 This practice assumes use of wipes that meet Specification E1792 and should not be used unless the wipes meet Specification E1792.  
5.3 This practice is capable of preparing samples for determination of lead bound within paint dust.  
5.4 This practice may not be capable of preparing samples for determination of lead bound within silica or silicate matrices, or within matrices not soluble in nitric acid.  
5.5 Adjustment of the nitric acid concentration or acid strength, or both, of the final extract solution may be necessary for compatibility with the instrumental analysis method to be used for lead quantification.  
5.6 This sample preparation practice has not been validated for use and must be validated by the user prior to using the practice for client samples.
Note 1: Each combination of wipes (two wipes, three wipes, and four wipes) constitutes a different matrix and must be separately validated.
SCOPE
1.1 This practice covers the extraction of lead (Pb) using ultrasonication, heat and nitric acid from a composited sample of up to four individual wipe samples of settled dust collected from equally-sized areas in the same space.  
1.2 This practice contains notes which are explanatory and not part of mandatory requirements of the practice.  
1.3 This practice should be used by analysts experienced in digestion techniques such as hot blocks. Like all procedures used in an analytical laboratory, this practice needs to be validated for use and shown to produce acceptable results before being applied to client samples.  
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM D7707-21(Specification)
Standard Specification for Wipe Sampling Materials for Beryllium in Surface Dust

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1.1 This specification covers requirements for premoistened wipe materials that are used to collect settled dusts on surfaces for the subsequent determination of beryllium.  
1.2 For wipe materials used for the determination of lead in surface dust, refer to Specification E1792. This is mentioned to insure that users of wipes recognize that there is some relationship between wipes and the analyte of interest.  
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.4 This specification contains notes that are explanatory and are not part of the mandatory requirements of the specification.  
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM E1726-21(Practice)
Standard Practice for Preparation of Soil Samples by Hotplate Digestion for Subsequent Lead Analysis

SIGNIFICANCE AND USE
5.1 There is a need to monitor the lead content in and around buildings and related structures in order to determine the potential lead hazard. Hence, effective and efficient methods are required for the preparation of soil samples for determination of their lead content.  
5.2 This practice may be used for the digestion of soil samples that are collected during various construction and renovation activities associated with lead abatement in and around buildings and related structures. The practice is also suitable for the digestion of soil samples for lead analyses collected from other locations, such as near roads and steel structures.  
5.3 This practice is intended to be used to prepare samples that have been collected for hazard assessment purposes.  
5.4 This practice is not capable of determining lead bound within matrices, such as silica, that are not soluble in nitric acid.  
5.5 This practice includes drying and homogenization steps in order to help assure that reported lead results are representative of the sample and are independent of potential differences in soil moisture levels among different sampling locations or changing weather conditions.
SCOPE
1.1 This practice covers drying, homogenization, and acid digestion of soil samples and associated quality control (QC) samples using a hot plate type method for the determination of lead using laboratory atomic spectrometry analysis techniques such as inductively coupled plasma atomic emission spectrometry (ICP-AES), flame atomic absorption spectrometry (FAAS), and graphite furnace atomic absorption spectrometry (GFAAS).  
1.2 This practice is based on U.S. EPA SW 846, Test Method 3050.  
1.3 This practice contains notes that are explanatory and are not part of the mandatory requirements of this standard.  
1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.  
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM E1644-21(Practice)
Standard Practice for Hot Plate Digestion of Dust Wipe Samples for the Determination of Lead

SIGNIFICANCE AND USE
5.1 This practice is intended for the digestion of lead in dust wipe samples collected during various lead hazard activities performed in and around buildings and related structures.  
5.2 This practice is also intended for the digestion of lead in dust wipe samples collected during and after building renovations.  
5.3 This practice is applicable to the digestion of dust wipe samples that have or have not been collected in accordance with Practice E1728/E1728M using wipes that may or may not conform to Specification E1792.  
5.4 This practice is applicable to the digestion of dust wipe samples that were placed in either hard-walled, rigid containers such as 50-mL centrifuge tubes or flexible plastic bags.
Note 2: Due to the difficulty in performing quantitative transfers of some samples from plastic bags, hard-walled rigid containers such as 50-mL plastic centrifuge tubes are recommended in Practice E1728/E1728M for sample collection.  
5.5 Digestates prepared according to this practice are intended to be analyzed for lead concentration using spectrometric techniques such as Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES) and Flame Atomic Absorption Spectrometry (FAAS) (see Test Methods E1613, E3193, and E3203), or using electrochemical techniques such as anodic stripping voltammetry (see Practice E2051).  
5.6 This practice is not capable of determining lead bound within matrices, such as silica, that are not soluble in nitric acid.  
5.7 This practice is capable of determining lead bound within paint.
SCOPE
1.1 This practice covers the acid digestion of surface dust samples (collected using wipe sampling practices) and associated quality control (QC) samples for the determination of lead.  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.2.1 Exception—Informational inch-pound units are provided in Note 3.  
1.3 This practice contains notes which are explanatory and not part of mandatory requirements of the standard.  
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM E1792-20(Specification)
Standard Specification for Wipe Sampling Materials for Lead in Surface Dust

ABSTRACT
This specification covers requirements for wipe sampling materials that are used to collect settled dusts on surfaces for the subsequent determination of lead. The wipes shall be tested for conformance to background lead, lead recoverability, collection efficiency, ruggedness which shall be determined using butted vinyl-composite floor tiles as a test surface, moisture content, coefficient of variation in mass, linear dimensions such as mean area and mean length, and mean thickness requirements.
SCOPE
1.1 This specification covers requirements for wipes that are used to collect settled dusts on surfaces for the subsequent determination of lead.  
1.2 For wipe materials used for the determination of beryllium in surface dust refer to Specification D7707. This is mentioned to insure that users of wipes recognize that there is some relationship between the analytical backgrounds found in wipes and the analyte of interest.  
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM E1775-20(Guide)
Standard Guide for Evaluating Performance of On-Site Extraction and Field-Portable Electrochemical or Spectrophotometric Analysis for Lead

SIGNIFICANCE AND USE
4.1 This guide is intended for use in evaluating the performance of field-portable electroanalytical or spectrophotometric devices for lead determination, or both.  
4.2 Desired performance criteria for field-based extraction procedures are provided.  
4.3 Performance parameters of concern may be determined using protocols that are referenced in this guide.  
4.4 Example reference materials to be used in assessing the performance of field-portable lead analyzers are listed.  
4.5 Exhaustive details regarding quality assurance issues are outside the scope of this guide. Applicable quality assurance aspects are dealt with extensively in references that are cited in this guide.
SCOPE
1.1 This guide provides guidelines for determining the performance of field-portable quantitative lead analysis instruments.  
1.2 This guide applies to field-portable electroanalytical and spectrophotometric (including reflectance and colorimetric) analyzers.  
1.3 Sample matrices of concern herein include paint, dust, soil, and airborne particles.  
1.4 This guide addresses the desired performance characteristics of field-based sample extraction procedures for lead, as well as on-site extraction followed by field-portable analysis.  
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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