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Description of ASTM-E2154 2008ASTM E2154 - 01(2008)Standard Practice for Separation and Concentration of Ignitable Liquid Residues from Fire Debris Samples by Passive Headspace Concentration with Solid Phase Microextraction (SPME)Active Standard ASTM E2154 | Developed by Subcommittee: E30.01 Book of Standards Volume: 14.02 ASTM E2154Significance and Use This practice is suited ideally for screening samples for the presence, relative concentration, and potential class of ignitable liquid residues in fire debris. This is a very sensitive separation procedure, capable of isolating small quantities of ignitable liquid residues from a sample, that is, a 0.1 ? L spike of gasoline on a cellulose wipe inside of a 1-gal can is detectable. Actual recovery will vary, depending on several factors, including adsorption temperature, container size, competition from the sample matrix, ignitable liquid class and relative ignitable liquid concentration. Because this separation takes place in a closed container, the sample remains in approximately the same condition in which it was submitted. Repeat and interlaboratory analyses, therefore, may be possible. Since the extraction is nonexhaustive, the technique permits reanalysis of samples. This practice is intended for use in conjunction with other extraction techniques described in Practices E 1385 , E 1386 , E 1388 , E 1412 , and E 1413 . The extract is consumed in the analysis. If a more permanent extract is desired, one of the separation practices described in Practices E 1385 , E 1386 , E 1412 , or E 1413 should be used. 1. Scope 1.1 This practice describes the procedure for removing small quantities of ignitable liquid residues from samples of fire debris. An adsorbent material is used to extract the residue from the static headspace above the sample. Then, analytes are thermally desorbed in the injection port of the gas chromatograph (GC). 1.2 This practice is best suited for screening fire debris samples to assess relative ignitable liquid concentration and for extracting ignitable liquid from aqueous samples. 1.3 This practice is suitable for extracting ignitable liquid residues when a high level of sensitivity is required due to a very low concentration of ignitable liquid residues in the sample. 1.3.1 Unlike other methods of separation and concentration, this method recovers a minimal amount of the ignitable residues present in the evidence, leaving residues that are suitable for subsequent resampling. 1.4 Alternate separation and concentration procedures are listed in Section 2. 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 and health practices and determine the applicability of regulatory limitations prior to use.
ASTM Standards E1385 Practice for Separation and Concentration of Ignitable Liquid Residues from Fire Debris Samples by Steam Distillation E1386 Practice for Separation of Ignitable Liquid Residues from Fire Debris Samples by Solvent Extraction E1387 Test Method for Ignitable Liquid Residues in Extracts from Fire Debris Samples by Gas Chromatography E1388 Practice for Sampling of Headspace Vapors from Fire Debris Samples E1412 Practice for Separation of Ignitable Liquid Residues from Fire Debris Samples by Passive Headspace Concentration With Activated Charcoal E1413 Practice for Separation and Concentration of Ignitable Liquid Residues from Fire Debris Samples by Dynamic Headspace Concentration E1492 Practice for Receiving, Documenting, Storing, and Retrieving Evidence in a Forensic Science Laboratory E1618 Test Method for Ignitable Liquid Residues in Extracts from Fire Debris Samples by Gas Chromatography-Mass Spectrometry Keywords fire debris samples; passive headspace concentration; solid phase microextraction (SPME); Concentration (of elements); Fire debris samples; Gas chromatography (GC); Ignitable liquid residues; Passive headspace analysis; Residue; Separation processing/analysis; SPME (solid phase microextraction); ICS Code ICS Number Code 27.060.10 (Liquid and solid fuel burners) DOI: 10.1520/E2154-01R08 ASTM International is a member of CrossRef. ASTM E2154This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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