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Standard Guide for Strategies for Surface Sampling of Metals and Metalloids for Worker ProtectionTranslate name
STANDARD published on 1.9.2021
Designation standards: ASTM D7659-21
Publication date standards: 1.9.2021
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM
occupational health, occupational safety, surface sampling, surface sampling strategies, worker protection, workplace protection,, ICS Number Code 13.040.30 (Workplace atmospheres)
|Significance and Use|
4.1This guide describes approaches which can be used to determine surface sampling strategies before any actual surface sampling occurs. The strategy selection process needs to consider a number of factors, including, but not limited to, purpose for sampling, fitness of the sampling strategy for that purpose, data quality objectives and how the data will be used, ability to execute the selected strategy, and ability of the analytical laboratory (fixed-site or in-field) to analyze the samples once they are collected.
4.2For the purposes of sampling, and for the materials sampled, surface sampling strategies are matters of choice. Workplace sampling may be performed for single or multiple purposes. Conflicts may arise when a single sampling strategy is expected to satisfy multiple purposes.
4.2.1Limitations of cost, space, power requirements, equipment, personnel, and analytical methods need to be considered to arrive at an optimum strategy for each purpose.
4.2.2A strategy intended to satisfy multiple purposes will typically be a compromise among several alternatives, and will typically not be optimal for any one purpose.
4.2.3The purpose or purposes for sampling should be explicitly stated before a sampling strategy is selected. Good practice, regulatory and legal requirements, cost of the sampling program, and the usefulness of the results may be markedly different for different purposes of sampling.
4.3This guide is intended for those who are preparing to evaluate a workplace environment by collecting samples of metals or metalloids on surfaces, or who wish to obtain an understanding of what information can be obtained by such sampling.
4.4This 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 applied to development or execution of a sampling strategy is essential.
4.5This guide should not be used as a stand-alone document to evaluate any given contaminant or chemical species.
4.6The surface sampling techniques described in this guide are intended for the determination of metals and metalloids on surfaces, or for the determination of loadings of embedded metallic residues in surface coverings. These techniques may not accurately reflect the transferability or bioavailability of such residues by way of dermal contact or inhalation of resuspended respirable dust.
1.1This guide provides criteria to be used in defining strategies for sampling for metals and metalloids on surfaces for workplace health and safety monitoring or evaluation.
1.2Guidance provided by this standard is intended for sampling of metals and metalloids on surfaces for subsequent analysis using methods such as atomic spectrometry, mass spectrometry, X-ray fluorescence, or molecular fluorescence. Guidance for evaluation of data after sample analysis is included.
1.3Sampling for volatile organometallic species (for example, trimethyl tin) is not within the scope of this guide.
1.4Sampling to determine levels of metals or metalloids on the skin is not within the scope of this guide.
1.5Sampling for airborne particulate matter is not within the scope of this guide. Guide provides information on air sampling strategies.
1.6Where surface 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.
1.7The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.8This 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.
1.9This 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|
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