(MERAF) for the Base Metals Smelting Sector - CCME

4.1.11.4. Cadmium
Table 20 shows the Canadian environmental release standards applicable to the
Base Metals Smelting Sector for cadmium. Table 21 shows the ambient air
quality standards for cadmium.
Table 20: Canadian Cadmium Air Release Standards
Jurisdiction
Stack
Concentration
Point-of-Impingement Loading Comments
Federal
N/A
BC
N/A
Alberta
N/A
Manitoba
N/A
Ontario 5.0 µg/m 3 - ½ hour avg. Ont. Reg. 346
Québec
N/A
New Brunswick
N/A
Montréal 1.5 µg/m 3 – 15 min. avg. CUM Reg. 90
Table 21: Canadian Ambient Cadmium Standards
Jurisdiction Ambient Concentration Comments
Federal
N/A
BC 0.05-0.1 µg/m 3 Pollution Control Objectives (1979)
Alberta
N/A
Manitoba
N/A
Ontario 2.0 µg/m 3 – 24 hour avg. Ont. Reg. 337
Québec
N/A
New Brunswick
N/A
Montréal
0.96 µg/m 3 – 1 hour avg.
0.5 µg/m 3 – 8 hour avg.
CUM Reg. 90
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