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ASTM E2625-19

(Practice)

Standard Practice for Controlling Occupational Exposure to Respirable Crystalline Silica for Construction and Demolition Activities

Standard Practice for Controlling Occupational Exposure to Respirable Crystalline Silica for Construction and Demolition Activities

SIGNIFICANCE AND USE
4.1 These practices and criteria were developed for occupational exposures during construction and demolition activities. They are intended to (1) protect against clinically significant disease from exposure to respirable crystalline silica, (2) be measurable by techniques that are valid, reproducible, and readily available, and (3) be attainable with existing technology and protective practices.
SCOPE
1.1 This practice describes several actions to reduce the risk of harmful occupational exposures in environments containing respirable crystalline silica. This practice is intended for the unique conditions during construction and demolition activities.  
1.2 Health requirements relating to occupational exposure to respirable crystalline silica not covered in this practice fall under the jurisdiction of Practice E1132.  
1.3 Nothing in this practice shall be interpreted as requiring any action that violates any statute or requirement of any federal, state, or other regulatory agency.  
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.

General Information

Status
Published
Publication Date
14-Aug-2019
ICS
13.040.30 - Workplace atmospheres
Technical Committee
E34 - Occupational Health and Safety
Drafting Committee
E34.80 - Industrial Health
Current Stage
Ref Project

Relations

Replaces
ASTM E2625-09(2017) - Standard Practice for Controlling Occupational Exposure to Respirable Crystalline Silica for Construction and Demolition Activities
Effective Date
15-Aug-2019
Refers
ASTM E1542-18 - Standard Terminology Relating to Occupational Health and Safety
Effective Date
01-Feb-2018
Refers
ASTM E1542-20 - Standard Terminology Relating to Occupational Health and Safety
Effective Date
01-Jan-2020
Referred By
ASTM E1132-21 - Standard Practice for Health Requirements Relating to Occupational Exposure to Respirable Crystalline Silica
Effective Date
15-Aug-2019

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REDLINE ASTM E2625-19 - Standard Practice for Controlling Occupational Exposure to Respirable Crystalline Silica for Construction and Demolition ActivitiesREDLINE ASTM E2625-19 - Standard Practice for Controlling Occupational Exposure to Respirable Crystalline Silica for Construction and Demolition Activities
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Standards Content (Sample)

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.
Designation: E2625 − 19
Standard Practice for
Controlling Occupational Exposure to Respirable Crystalline
1
Silica for Construction and Demolition Activities
This standard is issued under the fixed designation E2625; 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.
INTRODUCTION
Silicondioxide(silica,SiO )isencounteredinnatureandindustryinawidevarietyofforms.These
2
range from essentially anhydrous types with or without a very high degree of crystallinity, to highly
hydroxylated or hydrated types which are amorphous by X-ray diffraction examination. Crystalline
2
silica exists in a number of forms or polymorphs. The three major forms, quartz, cristobalite, and
tridymite, pertain to this practice. Quartz (or alpha quartz) is the more common form encountered as
airborne particulates. Two of the polymorphs, cristobalite and tridymite, are formed at elevated
temperatures and are much less common in nature, but might be encountered in several occupations
3
where silicas are fired (calcined) at high temperatures. These silica materials have a broad range of
physical and chemical properties.
1. Scope ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
1.1 This practice describes several actions to reduce the risk
mendations issued by the World Trade Organization Technical
of harmful occupational exposures in environments containing
Barriers to Trade (TBT) Committee.
respirable crystalline silica. This practice is intended for the
unique conditions during construction and demolition activi-
2. Referenced Documents
ties.
4
2.1 ASTM Standards:
1.2 Health requirements relating to occupational exposure
D4532 Test Method for Respirable Dust in Workplace At-
to respirable crystalline silica not covered in this practice fall
mospheres Using Cyclone Samplers
under the jurisdiction of Practice E1132.
E1132 Practice for Health Requirements Relating to Occu-
1.3 Nothing in this practice shall be interpreted as requiring
pational Exposure to Respirable Crystalline Silica
any action that violates any statute or requirement of any E1542 Terminology Relating to Occupational Health and
federal, state, or other regulatory agency.
Safety
5
2.2 ANSI Standards:
1.4 This standard does not purport to address all of the
Z88.2 1992 American National Standard Practice for Respi-
safety concerns, if any, associated with its use. It is the
ratory Protection
responsibility of the user of this standard to establish appro-
ANSI/AIHAZ9.22001 FundamentalsGoverningtheDesign
priate safety, health, and environmental practices and deter-
and Operation of Local Exhaust Systems
mine the applicability of regulatory limitations prior to use.
6
2.3 U.S. Code of Federal Regulations:
1.5 This international standard was developed in accor-
29 CFR 1910.134 Respiratory Protection
dance with internationally recognized principles on standard-
29 CFR 1910.1000 Air Contaminants
1 29 CFR 1910.1200 Hazard Communication
This practice is under the jurisdiction of ASTM Committee E34 on Occupa-
tional Health and Safety and is the direct responsibility of Subcommittee E34.80 on
Industrial Heath.
4
Current edition approved Aug. 15, 2019. Published August 2019. Originally For referenced ASTM standards, visit the ASTM website, www.astm.org, or
approved in 2009. Last previous edition approved in 2017 as E2625 – 09 (2017). contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
DOI: 10.1520/E2625-19. Standards volume information, refer to the standard’s Document Summary page on
2
Smith, Deane K., “Opal, Cristobalite, and Tridymite: Noncrystallinity Versus the ASTM website.
5
Crystallinity, Nomenclature of the Silica Minerals and Bibliography,” Powder Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
Diffraction, Vol 13, 1998, pp. 1–18. 4th Floor, New York, NY 10036, http://www.ansi.org.
6
3
Miles, W. J., “Crystalline Silica Analysis of Wyoming Bentonite by X-ray AvailablefromU.S.GovernmentPrintingOfficeSuperintendentofDocuments,
Diffraction After Phosphoric Acid Digestion,” Analytical Chemistry Acta, Vol 286, 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http://
1994, pp. 97–105. www.access.gpo.gov.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E2625 − 19
42 CFR 84
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: E2625 − 09 (Reapproved 2017) E2625 − 19
Standard Practice for
Controlling Occupational Exposure to Respirable Crystalline
1
Silica for Construction and Demolition Activities
This standard is issued under the fixed designation E2625; 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.
INTRODUCTION
Silicon dioxide (silica, SiO ) is encountered in nature and industry in a wide variety of forms. These
2
range from essentially anhydrous types with or without a very high degree of crystallinity, to highly
hydroxylated or hydrated types which are amorphous by X-ray diffraction examination. Crystalline
2
silica exists in a number of forms or polymorphs. The three major forms, quartz, cristobalite, and
tridymite, pertain to this practice. Quartz (or alpha quartz) is the more common form encountered as
airborne particulates. Two of the polymorphs, cristobalite and tridymite, are formed at elevated
temperatures and are much less common in nature, but might be encountered in several occupations
3
where silicas are fired (calcined) at high temperatures. These silica materials have a broad range of
physical and chemical properties.
1. Scope
1.1 This practice describes several actions to reduce the risk of harmful occupational exposures in environments containing
respirable crystalline silica. This practice is intended for the unique conditions during construction and demolition activities.
1.2 Health requirements relating to occupational exposure to respirable crystalline silica not covered in this practice fall under
the jurisdiction of Practice E1132.
1.3 Nothing in this practice shall be interpreted as requiring any action that violates any statute or requirement of any federal,
state, or other regulatory agency.
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
4
2.1 ASTM Standards:
D4532 Test Method for Respirable Dust in Workplace Atmospheres Using Cyclone Samplers
E1132 Practice for Health Requirements Relating to Occupational Exposure to Respirable Crystalline Silica
E1542 Terminology Relating to Occupational Health and Safety
1
This practice is under the jurisdiction of ASTM Committee E34 on Occupational Health and Safety and is the direct responsibility of Subcommittee E34.80 on Industrial
Heath.
Current edition approved Nov. 1, 2017Aug. 15, 2019. Published November 1, 2017August 2019. Originally approved in 2009. Last previous edition approved in 20092017
as E2625 – 09.E2625 – 09 (2017). DOI: 10.1520/E2625-09R17.10.1520/E2625-19.
2
Smith, Deane K., “Opal, Cristobalite, and Tridymite: Noncrystallinity Versus Crystallinity, Nomenclature of the Silica Minerals and Bibliography,” Powder Diffraction,
Vol 13, 1998, pppp. 1–18.
3
Miles, W. J., “Crystalline Silica Analysis of Wyoming Bentonite by X-ray Diffraction After Phosphoric Acid Digestion,” Analytical Chemistry Acta, Vol 286, 1994, pppp.
97–105.
4
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E2625 − 19
5
2.2 ANSI Standards:
Z88.2 1992 American National Standard Practice for Respiratory Protection
ANSI/AIHA Z9.2 2001 Fundamentals Governing the Design and Operation of Local Exhaust Systems
6
2.3 U.S. Code of Federal Regulations:
29 CFR 1910.134 Respiratory Protection
29 CFR 1910.1000 Air Contaminants
29 CFR 1910.1200 Hazard Communication
42 CFR 84 Title 42, Part 84 Approval of Respiratory Protective Devices, Tests for
...

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4.1 These practices and criteria were developed for occupational exposures. They are intended to (1) protect against clinical disease from exposure to respirable crystalline silica, (2) be measurable by techniques that are valid, reproducible, and readily available, and (3) be attainable with existing technology and protective practices.
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Standard Practice for Personal Sampling and Analysis of Endotoxin in Metalworking Fluid Aerosols in Workplace Atmospheres

SIGNIFICANCE AND USE
5.1 Endotoxins in metalworking fluid aerosols present potential respiratory health hazards to workers who inhale them. Therefore, a consensus standard is needed to provide reliable data on workplace airborne endotoxin concentrations where metalworking fluids are used.  
5.2 This practice for measuring airborne endotoxin concentrations in metalworking fluid atmospheres will help to foster a better understanding of endotoxin exposure-response relationships.  
5.3 This practice facilitates comparisons of interlaboratory data from methods and field investigative studies.
SCOPE
1.1 This practice covers quantitative methods for the personal sampling and determination of bacterial endotoxin concentrations in poly-disperse metalworking fluid aerosols in workplace atmospheres. Users should have fundamental knowledge of microbiological techniques and endotoxin testing.  
1.2 Users of this practice may obtain personal or area exposure data of endotoxin in metalworking fluid aerosols, either on a short-term or full-shift basis in workplace atmospheres.  
1.3 This practice gives an estimate of the endotoxin concentration of the sampled atmosphere.  
1.4 This practice seeks to minimize interlaboratory variation but does not ensure uniformity of results.  
1.5 It is anticipated that this practice will facilitate interlaboratory comparisons of airborne endotoxin data from metalworking fluid atmospheres, particularly metal removal fluid atmospheres, by providing a basis for endotoxin sampling, extraction, and analytical methods.  
1.6 In 1997, the Occupational Safety and Health Administration (OSHA) empanelled a Standards Advisory Committee to make recommendations to the Administration regarding measures that the Administration could take to improve the health of workers exposed to metalworking fluids. A report to the Assistant Secretary of Labor for OSHA was submitted in July 1999. Subcommittee E34.50 believes that the user community would benefit significantly if a standard method was developed to give the community guidance on a methodology for the sampling and analysis of personal airborne endotoxin exposure assessments in facilities using water-miscible metal removal fluids, based on the LAL assay or other endotoxin detection technologies as they become available.  
1.7 This practice does not attempt to set or imply limits for personal exposure to endotoxin in metalworking fluid aerosols in workplace environments.  
1.8 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.9 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.  
1.10 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
ASTM E1370-21(Guide)
Standard Guide for Air Sampling Strategies for Worker and Workplace Protection

SIGNIFICANCE AND USE
4.1 This guide describes standard approaches used to formulate air sampling strategies before actual air sampling occurs.  
4.2 For most workplace air sampling purposes, and for the majority of materials sampled, air sampling strategies are matters of choice. Air sampling in the workplace may be done for single or multiple purposes, such as health impact, hazard or risk assessment, compliance assessment, or investigation of complaints. Problems can arise when a single air sampling strategy is expected to satisfy multiple diverse purposes.  
4.2.1 Proper consideration of limitations of cost, space, power requirements, equipment, analytical methods, training and personnel result in a best available strategy for each purpose.  
4.2.2 A strategy designed to satisfy multiple purposes must be a compromise among several alternatives, and will not be optimum for any one purpose; however, the strategy should be appropriate for the intended purpose(s).  
4.2.3 The purpose or purposes for sampling should be explicitly stated before a sampling strategy is selected in order to ensure that the sampling strategy is appropriate for the intended use. Good sampling practice, legal requirements, cost of the sampling program, and the utility of the results may be markedly different for different intended sampling purposes.  
4.3 This guide is intended for use by those who are preparing to evaluate air quality in a work environment of a location by air sampling, or who wish to obtain an understanding of what information can be obtained by carrying out air sampling.  
4.4 This guide should not be used as a stand-alone document to evaluate any given airborne contaminant(s).  
4.5 This guide cannot take the place of sound professional judgment in development and execution of any sampling strategy. In most instances, a strategy based on a standard practice or method will need to be adjusted due to conditions encountered in the field. Documentation of any professional judgments appli...
SCOPE
1.1 This guide describes criteria to be used in defining air sampling strategies for workplace health and safety monitoring or evaluation. Sampling criteria such as duration, frequency, number, location, method, equipment, and timing are all considered.  
1.2 Where air sampling is prescribed by law or regulation, this guide is not intended to take the place of any requirements that may be specified in such law or regulation.  
1.3 Guidance for surface sampling strategies for metals and metalloids is provided in Guide D7659.  
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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