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    ASTM D8344 - 20

    Standard Practice for Ammonium Bifluoride and Nitric Acid Digestion of Airborne Dust and Dust-Wipe Samples for the Determination of Metals and Metalloids

    Active Standard ASTM D8344 | Developed by Subcommittee: D22.04

    Book of Standards Volume: 11.07


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    Significance and Use

    5.1 This practice is intended for the digestion of metals and metalloids in airborne dust and dust wipe samples collected during various activities performed in and around workplaces, buildings and related structures.

    5.2 This practice is applicable to the digestion of airborne dust and dust wipe samples collected in accordance with Test Method D4532, Guide D6062, Practice D7144 or Guide E1370 for airborne dust, and Practices D6966, D7296, D7822, or E1728 using wipes that may or may not conform to Specifications D7707 or E1792.

    5.2.1 This practice is applicable to the digestion of airborne dust sample filters that have been removed from their sampling cassettes which have been wiped to collect all dust adhering to the side walls and included in the hard-walled containers as part of the collected samples.

    5.2.2 This practice is applicable to the digestion of airborne dust samples that use acid-soluble cellulosic air sampling capsules with the entire contents of the cassettes transferred to hard-walled containers.

    5.2.3 This practice is applicable to the digestion of settled dust samples collected using wipe materials in hard-walled containers.

    5.3 Digestates prepared according to this practice are intended to be analyzed for metal and metalloid concentrations using spectrometric techniques such as inductively coupled plasma mass spectrometry (ICP-MS), inductively coupled plasma optical emission spectrometry (ICP-OES), graphite furnace atomic absorption spectrometry (GFAAS), and flame atomic absorption spectrometry (FAAS) (see Test Methods D4185, D6785, D7035, D7439, E1613, E3193, and E3203), or for lead using electrochemical techniques such as anodic stripping voltammetry (see Practice E2051), or for beryllium using optical fluorescence detection (see Test Method D7202).

    5.4 Laboratories developing in-house test methods using this procedure shall determine precision and bias in accordance with the principles laid down by their accrediting agency.

    1. Scope

    1.1 This practice covers the digestion of airborne and surface dust samples (collected using air and wipe sampling practices) and associated quality control (QC) samples for the determination of metals and metalloids by means of a mixture of dilute ammonium bifluoride and nitric acid.

    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 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.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D1193 Specification for Reagent Water

    D1356 Terminology Relating to Sampling and Analysis of Atmospheres

    D4185 Test Method for Measurement of Metals in Workplace Atmospheres by Flame Atomic Absorption Spectrophotometry

    D4532 Test Method for Respirable Dust in Workplace Atmospheres Using Cyclone Samplers

    D4840 Guide for Sample Chain-of-Custody Procedures

    D6062 Guide for Personal Samplers of Health-Related Aerosol Fractions

    D6785 Test Method for Determination of Lead in Workplace Air Using Flame or Graphite Furnace Atomic Absorption Spectrometry

    D6966 Practice for Collection of Settled Dust Samples Using Wipe Sampling Methods for Subsequent Determination of Metals

    D7035 Test Method for Determination of Metals and Metalloids in Airborne Particulate Matter by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)

    D7144 Practice for Collection of Surface Dust by Micro-vacuum Sampling for Subsequent Metals Determination

    D7202 Test Method for Determination of Beryllium in the Workplace by Extraction and Optical Fluorescence Detection

    D7296 Practice for Collection of Settled Dust Samples Using Dry Wipe Sampling Methods for Subsequent Determination of Beryllium and Compounds

    D7439 Test Method for Determination of Elements in Airborne Particulate Matter by Inductively Coupled PlasmaMass Spectrometry

    D7659 Guide for Strategies for Surface Sampling of Metals and Metalloids for Worker Protection

    D7707 Specification for Wipe Sampling Materials for Beryllium in Surface Dust

    D7822 Practice for Dermal Wipe Sampling for the Subsequent Determination of Metals and Metalloids

    E882 Guide for Accountability and Quality Control in the Chemical Analysis Laboratory

    E1370 Guide for Air Sampling Strategies for Worker and Workplace Protection

    E1605 Terminology Relating to Lead in Buildings

    E1613 Test Method for Determination of Lead by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES), Flame Atomic Absorption Spectrometry (FAAS), or Graphite Furnace Atomic Absorption Spectrometry (GFAAS) Techniques

    E1644 Practice for Hot Plate Digestion of Dust Wipe Samples for the Determination of Lead

    E1728 Practice for Collection of Settled Dust Samples Using Wipe Sampling Methods for Subsequent Lead Determination

    E1792 Specification for Wipe Sampling Materials for Lead in Surface Dust

    E2051 Practice for the Determination of Lead in Paint, Settled Dust, Soil and Air Particulate by Field-Portable Electroanalysis

    E3193 Test Method for Measurement of Lead (Pb) in Dust by Wipe, Paint, and Soil by Flame Atomic Absorption Spectrophotometry (FAAS)

    E3203 Test Method for Determination of Lead in Dried Paint, Soil, and Wipe Samples by Inductively Coupled Plasma-Optical Emission Spectroscopy (ICP-OES)

    Other Standards

    ISO/IEC 17011 Conformity assessment Requirements for accreditation bodies accrediting conformity assessment bodies Available from International Organization for Standardization (ISO), ISO Central Secretariat, BIBC II, Chemin de Blandonnet 8, CP 401, 1214 Vernier, Geneva, Switzerland, http://www.iso.org.


    Referencing This Standard
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    DOI: 10.1520/D8344-20

    Citation Format

    ASTM D8344-20, Standard Practice for Ammonium Bifluoride and Nitric Acid Digestion of Airborne Dust and Dust-Wipe Samples for the Determination of Metals and Metalloids, ASTM International, West Conshohocken, PA, 2020, www.astm.org

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