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ASTM D 7948 : 2014

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Measurement of Respirable Crystalline Silica in Workplace Air by Infrared Spectrometry
Available format(s)

Hardcopy , PDF

Superseded date

05-08-2020

Language(s)

English

Published date

15-10-2014

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 11.07, 2016 Defines a test method for collection and analysis of samples of airborne particulate matter for measurement of respirable crystalline silica by infrared (IR) spectrometry.

1.1This standard specifies a test method for collection and analysis of samples of airborne particulate matter for measurement of respirable crystalline silica by infrared (IR) spectrometry.

1.2This test method is applicable to the analysis of crystalline silica (the polymorphs quartz, cristobalite and tridymite) over a working range of 0.025 to 0.4 mg/m3 for a 400 L air sample or 0.02 to 0.25 mg/m3 for a 1000 L air sample, depending on the analytical method.

1.3The methodology is applicable to personal sampling of the respirable fraction of airborne particles and to static (area) sampling.

1.4This test method describes three different procedures for sample preparation and infrared analysis of airborne crystalline silica samples, which are delineated in Annex A1 – Annex A3, respectively: (1) a potassium bromide (KBr) disc IR measurement method, (2) indirect IR analysis after redeposition onto a filter used for measurement, and (3) direct on-filter IR analysis.

1.5The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6This 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.

Committee
D 22
DocumentType
Test Method
Pages
17
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

ASTM D 4844 : 2016 Standard Guide for Air Monitoring at Waste Management Facilities for Worker Protection

ASTM E 1370 : 2014 : REDLINE Standard Guide for Air Sampling Strategies for Worker and Workplace Protection
ASTM D 4840 : 1999 Standard Guide for Sampling Chain-of-Custody Procedures
ISO 7708:1995 Air quality — Particle size fraction definitions for health-related sampling
ASTM D 4532 : 2015 : REDLINE Standard Test Method for Respirable Dust in Workplace Atmospheres Using Cyclone Samplers
ISO 24095:2009 Workplace air Guidance for the measurement of respirable crystalline silica
ISO 13137:2013 Workplace atmospheres — Pumps for personal sampling of chemical and biological agents — Requirements and test methods
ISO 15202-1:2012 Workplace air Determination of metals and metalloids in airborne particulate matter by inductively coupled plasma atomic emission spectrometry Part 1: Sampling
ISO 6879:1995 Air quality — Performance characteristics and related concepts for air quality measuring methods
ASTM D 6061 : 2001 Standard Practice for Evaluating the Performance of Respirable Aerosol Samplers
ISO 15767:2009 Workplace atmospheres Controlling and characterizing uncertainty in weighing collected aerosols
ISO 3534-1:2006 Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability

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