Scope
ISO 9612:2009
Occupational Noise Exposure Measurement
This standard specifies methods for measuring and assessing noise exposure of workers in occupational environments to determine compliance with exposure limits and identify hearing protection needs. The measurement protocols account for temporal variations in noise and worker movement to characterize daily noise exposure levels. Results are critical for occupational health and safety compliance, hearing loss prevention programs, and workplace risk assessment. Accredited laboratories ensure measurement uncertainty, calibration standards, and data interpretation meet regulatory requirements for legal and health-safety defensibility.
What it measures
- Equivalent continuous A-weighted sound pressure level (Leq,8h)
- Peak sound pressure levels and impulsive noise
- Daily noise exposure level (LEX,8h)
- Frequency-weighted noise exposure
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DIN EN ISO 4871
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BS EN ISO 4871
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NF EN ISO 4871
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UNI EN ISO 4871
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UNE EN ISO 4871
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NEN EN ISO 4871
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DIN EN ISO 11201
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BS EN ISO 11201
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NF EN ISO 11201
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UNI EN ISO 11201
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UNE EN ISO 11201
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NEN EN ISO 11201
1,868
Accredited labs
20
Countries
Showing 1,326–1,350 of 1,868 labs
Rhopoint Metrology
Active
(Steel and tungsten carbide)
LENGTH (cont’d)
pneumatic tyres (See Note 1)
LENGTH (cont.)
Plain plug gauges (taper)
+ 3 more
Richard L Thomas Associates
Active
(HSG 264, 2012)
HSG 264 (2012) and Appx. 3 of
HSG 227 (2004))
Appendix 5 of HSG 227 (2004))
(HSG 248) – 2021
OP11 based on HSG 248
(PCM) based on HSG 248
OP04 based on HSG 248
Robert Koch-Institut
Active
Salmonellen
Salmonella enterica, Shigellen, Yersinie
Shigellen
Salmonella sv. Paratyphi
Neisseria meningitidis, Listeria
+ 3 more
Charpy impact test (ISO 148-1)
Salt spray / neutral salt fog test (ISO
elektronische Waagen
1) In den CMC sind die erweiterten Messu
DIN EN ISO 12185
DIN EN ISO 3405
DIN EN 13016-1
DIN EN ISO 20884
DIN EN ISO 20846
+ 3 more
Spinocerebelläre Ataxien
Bindegewebserkrankungen: ACTA2, COL1A1,
HD; Chorea Huntington
(Huntingtin-Gen)
Dentatorubrale-Pallidoluysiane
+ 3 more
Rwanda Standards Board
Active
ISO 6222
AM09 based on BS ISO 21527-1:
ISO 6579-1
ISO 4832
ISO 2171
+ 3 more
DIN EN ISO 6507-1
DIN EN ISO 6508-1
NF X70-100-1
DIN EN 45545-2
NF X70-100-2
+ 3 more
DIN EN 12457-2
DIN EN ISO 6888-1
DIN EN 15634-1
ASTM D888-18
EPA 8015
+ 3 more
Durchfluss von 2 m3/h bis 800 rn3/h
− Durchfluss von Flüssigkeiten
Volumendurchfluss
dV/dt von
strörnenden
+ 3 more
SARIA
Active
AM-01 based on BS 4401:Part 1:
AM-32 based on BS 4401:Part 4:
AM-03 based on BS ISO 937:2023
AM-04 based on BS ISO
AM-31 based on BS EN ISO
+ 3 more
SATRA Technology Centre
Active
ISO 4931:1986 (withdrawn)
ISO 3759:1984 (withdrawn)
DIN EN 13759
DIN EN 12150-1
DIN EN ISO 15797
+ 3 more
SAVOIE ANALYSES
Active
NF X 31 615 (purge
DIN ISO 17289
ISO 5815-1
EN 13087-2
DIN EN ISO 7027-2
+ 3 more
NF T 90-412
NF T90-350
DIN EN ISO 7899-1
DIN EN 12880
NF X 31-615
+ 3 more
SCHMIDT Technology
Active
Strömungsgeschwin- 0,1 m/s
− Strömungsgeschwindigkeit von Gasen
Kraft (WPM)
Vibration measuring instruments — requir
> 1 kN
DIN EN ISO 717-1
DIN EN ISO 10052
DIN EN ISO 10140-1
DIN EN ISO 10140-2
DIN EN ISO 10140-4
+ 3 more
SDL Atlas
Active
Betriebsübertragungsmaß
Crockmeters
Pilling Tester (Box & Drum)
Pilling Tester (Random)
Burst Strength Tester
+ 3 more
DIN EN ISO 12966-2
DIN EN 12266-2
DIN EN ISO 12966-4
DIN EN 13656
DIN 30660
+ 3 more
No matching labs found.