Effective Date: February 1, 1996
Date Issued: February 8, 1996
Date Originally Issued: December 1, 1995
Date Approved by Board of Directors: February 2, 1996
Date Originally Approved by Board of Directors: October 4, 1995
Topic: Workplace Noise Levels
Section: Entitlement
Subsection: Occupational Diseases

Policy Statement

1.Hearing loss claims will be considered when noise exposure exceeds the levels adopted by the Department of Labour.

General:

Permissible Noise Exposures (Steady-State Noise)

Steady-State Noise Levels (dBA)	Maximum Period of Exposure (per 24 hours)
80	24 hours
82	16 hours
85	8 hours
88	4 hours
91	2 hours
94	1 hour
97	30 minutes
100	15 minutes
103	7.5 minutes
106	3.75 minutes
109	1.88 minutes
112	.94 minutes
115	28.12 seconds
118	14.06 seconds
121	7.03 seconds
124	3.52 seconds
127	1.76 seconds
130	.88 seconds
133	.44 seconds
136	.22 seconds
139	.11 seconds

Permissible Noise Exposure (Impulse of Impact Noise)

Sound Level (dBA)	Permitted Number of Impulses or Impacts (per 24 hours)
Above 140*	0
140	100
130	1000
120	10000

Application

This Policy applies to all decisions made on or after February 1, 1996.

Workers' Compensation Act (Chapter 10, Acts of 1994 - 95), Section 37(1).
Policy 1.2.5R