00992nam a22001097a 4500020003000000245005100030260005300081300001000134505058700144520012900731650002200860  a978–1–77139–056–9  aCSA Z107.56:2013-Measurement of noise exposure  aToronto,bCanadian Standards Association,c2013.  a54 p.  aPreface
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  aSpecifies procedures for determining the occupational noise exposure level of workers (L[ex,T]) using sampling techniques.

  aNoise measurement