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 51–75 of 393 labs
Asbestos Analytical Services
Active
(HSG 248) – 2021
LSD.ASB.02 based on HSG 248
LSD.ASB.04 based on HSG 248
(PCM) based on HSG 248
(HSG 248) – 2021
QOP03 based on HSG 248
(PCM) based on HSG 248
(PCM) based on HSG 248)
QOP01 based on HSG 248
+ 1 more
Asbestos Solution Providers
Active
(HSG 248) – 2021
(PCM) based on HSG 248
(HSG 264, 2012)
Asbestos Survey & Management
Active
QOP03 based on HSG 248
QOP01 based on HSG 248
(HSG 248) – 2021
(PCM) based on HSG 248
AstraZeneca UK
Active
DC CURRENT
AC VOLTAGE (continued)
AC CURRENT
AC Voltage
DIMENSIONAL
+ 3 more
Analysts’ Guide (HSG 248)
(HSG 248) – 2021 Asbestos: The
(PCM) based on HSG 248
Attain RTC
Active
BS EN ISO 10140-2:2021
DIN EN 1366-4
BS EN ISO 10140-1:2021 Annexes
BS EN ISO 10140-3:2021
EN 13823
+ 3 more
Ayerst Environmental
Active
(HSG 248) – 2021 )
(PCM) based on HSG 248
Surveying) based on HSG 248
BAE Systems Marine
Active
Hydraulic pressure (gauge)
TEMPERATURE
DC Resistance
Betriebsübertragungsmaß
Gas pressure (absolute)
+ 3 more
BASEC Group
Active
BS 4553-1:1998
BS 4553-2:1998
BS 4553-3:1998
BS 5308-1: 1986 (withdrawn)
BS 5308-2: 1986 (withdrawn)
+ 3 more
BOC
Active
DIN EN ISO 18119
BS EN ISO 10460:2018
BS EN ISO 11623:2015
BS EN 15888:2014
BS EN 14876:2007/Internal proceduresDiss
+ 2 more
BS EN ISO 10140-2:2021
BS EN ISO 10140-3:2021
BS EN ISO 717-2:2020
ISO 7171
BS EN ISO140-3:1995 (withdrawn)
+ 3 more
No matching labs found.