text Toronto Canadian Standards Association 2013 monographic 54 p. Specifies procedures for determining the occupational noise exposure level of workers (L[ex,T]) using sampling techniques. Preface 1 Scope 2 Reference publications 3 Definitions and symbols 4 Instrumentation 5 Operating conditions 6 Procedures 7 Measurement of noise exposure from sound sources close to the ear 8 Workers exposed to music players, radios, or other sound reproduction devices 9 Reporting Annex A (informative) - Guidelines on worker involvement in a noise exposure measurement Annex B (informative) - Noise exposure of groups Annex C (normative) - Calculation of noise exposure indices Annex D (informative) - Procedure for the use of LOSHA Annex E (informative) - Bibliography Noise measurement 978–1–77139–056–9