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Q-2, r. 38 - Regulation respecting the quality of the atmosphere
Section 58
Disposition versions
58. (Replaced, O.C. 501-2011)Cast-iron producing cupolas: A cupola used for the production of cast-iron shall not emit into the atmosphere:
(a) more than 12 kg of particulate matter per hour in the case of an existing cupola producing cast-iron at a melting rate of between 3 and 10 tonnes per hour;
(b) more particulate matter than prescribed in the following table in the case of an existing cupola producing cast-iron at a melting rate of 10 tonnes per hour or more:
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melting rate emission standard
(t/h) (kg/h)
10.0 12
12.5 13.5
15.0 14.5
17.5 15.3
20.0 15.7
22.5 15.8
≥ 25 16
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melting rate emission standard
(t/h) (kg/h)
10.0 12
12.5 13.5
15.0 14.5
17.5 15.3
20.0 15.7
22.5 15.8
≥ 25 16
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The interpolation of the values of this table for intermediate melting rate shall be made linearly;
(c) more particulate matter than prescribed in the following table, for a new cupola:
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melting rate emission standard
(t/h) (kg/h)
1.0 1.7
2.0 2.6
3.0 3.4
4.0 4.0
5.0 4.7
6.0 5.2
8.0 6.3
9.0 6.7
10.0 7.2
15.0 9.3
20.0 11.0
25.0 12.7
≥ 30.0 14.2
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melting rate emission standard
(t/h) (kg/h)
1.0 1.7
2.0 2.6
3.0 3.4
4.0 4.0
5.0 4.7
6.0 5.2
8.0 6.3
9.0 6.7
10.0 7.2
15.0 9.3
20.0 11.0
25.0 12.7
≥ 30.0 14.2
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The interpolation of the values of this table for intermediate melting rates shall be made linearly;
(d) more than 1 000 parts per million (in volume in the effluent gases) of carbon monoxide in the case of any cupola used for producing cast iron.
