ДСТУ EN 482:2016 Воздух рабочей зоны. Общие требования к характеристикам методик измерения содержания химических веществ (EN 482:2012+A1:2015, IDT)

ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ

Державне підприємство
«Український науково-дослідний і навчальний центр
проблем стандартизації, сертифікації та якості»
(   
(ДП «УкрНДНЦ»))

Наказ від 21.10.2016 №336

EN 482:2012+A1:2015

Workplace exposure — General requirements for the performance of procedures
for the measurement of chemical agents

прийнято як національний стандарт
методом «підтвердження» за позначенням
 

ДСТУ EN 482:2016
(EN 482:2012+А1:2015, IDT)

Повітря робочої зони. Загальні вимоги до характеристик методик
вимірювання вмісту хімічних речовин

З наданням чинності від 2016-11-01

Contents

European foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Classification

4.1 General

4.2 Screening measurements of time weighted average concentration

4.3 Screening measurements of variation of concentration in time and/or space

4.4 Measurements for comparison with (occupational exposure) limit values and periodic measurements

5 Performance requirements

5.1 General

5.2 Screening measurements of time weighted average concentration

5.3 Screening measurements of variation of concentration in time and/or space

5.4 Measurements for comparison with limit values and periodic measurements

5.4.1 Unambiguity

5.4.2 Selectivity

5.4.3 Averaging time

5.4.4 Measuring range

5.4.5 Expanded uncertainty

5.4.6 Chemical agents with low limit values

5.5 Composite procedures

5.6 Transport and storage

5.7 Environmental conditions

5.8 Description of measuring procedure

5.9 Dimension of result

5.10 Additional requirements

6 Test method

7 Validation report

Annex A (informative) Structure of a method description

Annex B (informative) Calculation of uncertainty of measurement

B.1 General

B.2 Uncertainty associated with sampled air volume or mass uptake

B.2.1 Pumped sampling

B.2.1.1 Sources of uncertainty

B.2.1.2 Flow rate measurement

B.2.1.3 Pump flow stability

B.2.1.4 Sampling time

B.2.2 Diffusive sampling

B.2.2.1 Sources of uncertainty

B.2.2.2 Uptake rate

B.2.2.3 Sampling time

B.3 Uncertainty associated with sampling efficiency

B.3.1 Pumped sampling methods for gases and vapours

B.3.2 Diffusive sampling methods for gases and vapours

B.3.3 Aerosol sampling methods

B.3.3.1 General

B.3.3.2 Closeness of matching with the required sampling convention(s)

B.3.3.3 Uncertainty components for aerosol samplers – Estimates for general use

B.3.3.4 Efficiency of the collection substrate

B.3.3.4.1 Filter materials

B.3.3.4.2 Foams

B.4 Uncertainty associated with sample storage and transportation

B.4.1 Sample storage

B.4.2 Transportation

B.4.2.1 Gas samples and vapour samples

B.4.2.2 Aerosol samples

B.5 Uncertainty associated with method recovery for gases and vapours

B.6 Uncertainty associated with analytical recovery for airborne particles and mixtures of airborne particles and vapour

B.7 Uncertainty associated with method variability for gases and vapours

B.8 Uncertainty associated with analytical variability for airborne particles and mixtures of airborne particles and vapour

B.9 General equation for combination of uncertainty components

Bibliography