WorkSafeBC Noise Exposure File

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Years available - 1970 to 2004

Field Name


CU Number

The Classification Unit Number (sector CU code) associated with the Classification Unit of the employer.

Employer ID

The number that uniquely identifies an employer (aka Firm Number, Employer Number, Registration Number)
Replaced by project-specific identification number

Employer Operating Location Code

Code which uniquely identifies individual locations at which the employer carries out business. This code is unique within an employer.

Sub Unit

(included 1970-2001 only)

Date Noise Sample Taken


Noise Measurement (Leq?DBA)


Noise Measurement Location


Occupation of Sampled Employee


Instrument Type



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Page last revised: May 9, 2018