EN ISO 21832:2020 PDF

Workplace air - Metals and metalloids in airborne particles - Requirements for evaluation of measuring procedures (ISO 21832:2018)

Title (English):

EN ISO 21832:2020

Workplace air - Metals and metalloids in airborne particles - Requirements for evaluation of measuring procedures (ISO 21832:2018)

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 45
Publication date:: April 8, 2020
Edition:: CEN EN 21832 edition 2 version 1
ICS:: 13.040.30

Document language:

enru

Delivery time:1–7 days

Price:97 €

Description (English):

This document specifies performance requirements and test methods for the evaluation of procedures for measuring metals and metalloids in airborne particles sampled onto a suitable collection substrate. This document specifies a method for estimating the uncertainties associated with random and systematic errors and combining them to calculate the expanded uncertainty of the measuring procedure as a whole, as prescribed in ISO 20581. This document is applicable to measuring procedures in which sampling and analysis is carried out in separate stages, but it does not specify performance requirements for collection, transport and storage of samples, since these are addressed in EN 13205-1 and ISO 15767. This document does not apply to procedures for measuring metals or metalloids present as inorganic gases or vapours (e.g. mercury, arsenic) or to procedures for measuring metals and metalloids in compounds that could be present as a particle/vapour mixture (e.g. arsenic trioxide).

Technical details

Technical committee: CEN/TC 137 - Assessment of workplace exposure
SKU: EN ISO 21832:2020

Abstract

Overview

EN ISO 21832:2020 - Workplace air - Metals and metalloids in airborne particles - sets out performance requirements and test methods for evaluating measuring procedures that determine metals and metalloids on collection substrates from workplace air. It provides a harmonized framework for method validation, including estimating and combining random and systematic uncertainties to calculate the expanded uncertainty of a complete measuring procedure in line with ISO 20581.

Key topics and requirements

Scope and applicability
- Applies to measuring procedures where sampling and analysis are separate stages (particle sampling onto a substrate followed by laboratory analysis).
- Excludes measurement of metals/metalloids present as inorganic gases or vapours (e.g., gaseous mercury, arsenic vapour) and particle/vapour mixtures (e.g., arsenic trioxide).
- Does not prescribe sample collection, transport or storage requirements (see EN 13205-1 and ISO 15767).
Method performance requirements
- Limit of quantification (LOQ) and instrumental detection limit (IDL) assessment.
- Analytical recovery determination for soluble and total metal procedures, with guidance in Annex A.
- Identification and estimation of random and non-random (systematic) uncertainty components and calculation of expanded uncertainty (detailed in Clause 8 and Annex C).
- Tests and procedures for method validation, including experimental designs (Annex B) and worked examples (Annex E).
Practical test elements
- Requirements for method description, application range, safety, samplers, sampling pumps, reagents, standard solutions and apparatus.
- Test methods for LOD/LOQ, recovery, and uncertainty estimation (including interpolation of standard deviation - Annex D).

Applications and who uses this standard

Industrial hygienists and occupational health professionals validating workplace air monitoring procedures for metals and metalloids.
Analytical laboratories developing or assessing analytical methods for airborne particulate metals.
Regulatory bodies and safety agencies requiring documented method performance, traceability and uncertainty estimates for exposure assessment.
Employers and industrial users implementing exposure monitoring programs and demonstrating compliance with occupational exposure limits.

Related standards

ISO 20581 - General requirements for performance of procedures for measuring chemical agents in workplace atmospheres (uncertainty framework).
EN 13205-1, ISO 15767 - Sample collection, transport and storage requirements for workplace air monitoring.

By following EN ISO 21832:2020, organizations can ensure robust method validation, reliable measurement uncertainty estimates, and consistent, comparable results when monitoring workplace airborne metals and metalloids.

Related standards

Mentioned in the description and other EN standards

Abstract

Overview

Key topics and requirements

Scope and applicability
- Applies to measuring procedures where sampling and analysis are separate stages (particle sampling onto a substrate followed by laboratory analysis).
- Excludes measurement of metals/metalloids present as inorganic gases or vapours (e.g., gaseous mercury, arsenic vapour) and particle/vapour mixtures (e.g., arsenic trioxide).
- Does not prescribe sample collection, transport or storage requirements (see EN 13205-1 and ISO 15767).
Method performance requirements
- Limit of quantification (LOQ) and instrumental detection limit (IDL) assessment.
- Analytical recovery determination for soluble and total metal procedures, with guidance in Annex A.
- Identification and estimation of random and non-random (systematic) uncertainty components and calculation of expanded uncertainty (detailed in Clause 8 and Annex C).
- Tests and procedures for method validation, including experimental designs (Annex B) and worked examples (Annex E).
Practical test elements
- Requirements for method description, application range, safety, samplers, sampling pumps, reagents, standard solutions and apparatus.
- Test methods for LOD/LOQ, recovery, and uncertainty estimation (including interpolation of standard deviation - Annex D).

Applications and who uses this standard

Industrial hygienists and occupational health professionals validating workplace air monitoring procedures for metals and metalloids.
Analytical laboratories developing or assessing analytical methods for airborne particulate metals.
Regulatory bodies and safety agencies requiring documented method performance, traceability and uncertainty estimates for exposure assessment.
Employers and industrial users implementing exposure monitoring programs and demonstrating compliance with occupational exposure limits.

Related standards

ISO 20581 - General requirements for performance of procedures for measuring chemical agents in workplace atmospheres (uncertainty framework).
EN 13205-1, ISO 15767 - Sample collection, transport and storage requirements for workplace air monitoring.

EN ISO 21832:2020 PDF

Technical details

Abstract

Overview

Key topics and requirements

Applications and who uses this standard

Related standards

Related standards

Abstract

Overview

Key topics and requirements

Applications and who uses this standard

Related standards

Related standards

Workplace air. General requirements for the performance of procedures for the measurement of chemical agents.

Workplace atmospheres - Controlling and characterizing uncertainty in weighing collected aerosols

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