Powietrze na stanowiskach pracy. Wymagania ogólne dotyczące charakterystyki procedur pomiarów czynników chemicznych. PN-EN 482:2009 wersja polska - Polski Komitet Normalizacyjny (Warszawa : Polski Komitet Normalizacyjny, 2009)
Podano główne wymagania dotyczące charakterystyki procedur oznaczania stężenia czynników chemicznych na stanowiskach pracy zgodnie z dyrektywą Czynniki Chemiczne 98/24/EC.
Page European foreword 4 Introduction 5 1 Scope 6 2 Normative references 6 3 Terms and definitions 7 4 Classification 7 4.1 General 7 4.2 Screening measurements of time weighted average concentration 7 4.3 Screening measurements of variation of concentration in time and/or space 7 4.4 Measurements for comparison with (occupational exposure) limit values and periodic measurements 7 5 Performance requirements 7 5.1 General 7 5.2 Screening measurements of time weighted average concentration 8 5.3 Screening measurements of variation of concentration in time and/or space 8 5.4 Measurements for comparison with limit values and periodic measurements 8 5.4.1 Unambiguity 8 5.4.2 Selectivity 8 5.4.3 Averaging time 8 5.4.4 Measuring range 9 5.4.5 Expanded uncertainty 9 5.4.6 Chemical agents with low limit values 9 5.5 Composite procedures 9 5.6 Transport and storage 9 5.7 Environmental conditions 10 5.8 Description of measuring procedure 10 5.9 Dimension of result 10 5.10 Additional requirements 10 6 Test method 10 7 Validation report 11 Annex A (informative) Structure of a method description 12 Annex B (informative) Calculation of uncertainty of measurement 13 B.1 General 13 B.2 Uncertainty associated with sampled air volume or mass uptake 14 B.2.1 Pumped sampling 14 B.2.1.1 Sources of uncertainty 14 B.2.1.2 Flow rate measurement 14 B.2.1.3 Pump flow stability 15 B.2.1.4 Sampling time 16 B.2.2 Diffusive sampling 16 B.2.2.1 Sources of uncertainty 16 B.2.2.2 Uptake rate 16 B.2.2.3 Sampling time 16 B.3 Uncertainty associated with sampling efficiency 16 B.3.1 Pumped sampling methods for gases and vapours 16 B.3.2 Diffusive sampling methods for gases and vapours 17 B.3.3 Aerosol sampling methods 17 B.3.3.1 General 17 B.3.3.2 Closeness of matching with the required sampling convention(s) 17 B.3.3.3 Uncertainty components for aerosol samplers – Estimates for general use 17 B.3.3.4 Efficiency of the collection substrate 18 B.3.3.4.1 Filter materials 18 B.3.3.4.2 Foams 18 B.4 Uncertainty associated with sample storage and transportation 18 B.4.1 Sample storage 18 B.4.2 Transportation 18 B.4.2.1 Gas samples and vapour samples 18 B.4.2.2 Aerosol samples 18 B.5 Uncertainty associated with method recovery for gases and vapours 18 B.6 Uncertainty associated with analytical recovery for airborne particles and mixtures of airborne particles and vapour 19 B.7 Uncertainty associated with method variability for gases and vapours 19 B.8 Uncertainty associated with analytical variability for airborne particles and mixtures of airborne particles and vapour 19 B.9 General equation for combination of uncertainty components 20 Bibliography 21.
Norma wycofana 15.06.2012 r i zastąpiona przez PN-EN 482:2012 wersja angielska, która po wielu zmianach została ostatecznie zastąpiona przez PN-EN 482:2021-08 wersja angielska
Keywords: wymagania; BHP; Normy