OHS Code

Published Date: July 01, 2009
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Part 4 Chemical Hazards, Biological Hazards and Harmful Substances

Section 16 Worker exposure to harmful substances

(1) An employer must ensure that a worker’s exposure to any substance listed in Schedule 1, Table 2 is kept as low as reasonably achievable.

(2) An employer must ensure that a worker’s exposure to any substance listed in Schedule 1, Table 2 does not exceed its occupational exposure limits listed in Schedule 1, Table 2.

(2.1) The amended occupational exposure limit for coal dust as shown in Schedule 1, Table 2 comes into effect on July 1, 2010.

(3) If no occupational exposure limit is established for a harmful substance present at a work site, an employer must ensure that a worker’s exposure to that substance is kept as low as reasonably achievable.

(3.1) A worker may not be exposed to a substance listed in Schedule 1, Table 2 at a concentration exceeding its ceiling limit at any time.

(4)If no 15-minute occupational exposure limit or ceiling occupational exposure limit is listed for a substance in Schedule 1, Table 2, the employer must

(a) comply with the 8-hour occupational exposure limit, and

(b) ensure that a worker’s exposure to that substance does not exceed

(i) 3 times the 8-hour occupational exposure limit for more than a total of 30 minutes during a continuous 24-hour period, and 5 times the 8-hour occupational exposure limit, or

(ii) the concentration that is immediately dangerous to life and health,

whichever is lower