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ASTM E1644-25

Standard Practice for Hot Plate Digestion of Dust Wipe Samples for the Determination of Lead
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ASTM E1644-25

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

PUBLISH DATE 2025
PAGES 4
ASTM E1644-25

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.

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 required in Practice E1728/E1728M for sample collection.

5.5 Digestates prepared according to this practice are intended to be analyzed for lead concentration using analytical techniques such as Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES), Graphite Furnace Atomic Absorption Spectrometry (GFAAS), and Flame Atomic Absorption Spectrometry (FAAS) (see Test Methods D8568, 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.

SDO ASTM: ASTM International
Document Number E1644
Publication Date Aug. 1, 2025
Language en - English
Page Count 4
Revision Level 25
Supercedes
Committee D22.12
Publish Date Document Id Type View
Aug. 1, 2025 E1644-25 Revision
Sept. 1, 2021 E1644-21 Revision
March 1, 2017 E1644-17 Revision
Oct. 1, 2016 E1644-04R16E01 Revision
April 1, 2012 E1644-04R12E01 Revision
Aug. 1, 2004 E1644-04 Revision
June 10, 1998 E1644-98 Revision