Q-2, r. 4.1 - Clean Air Regulation

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SCHEDULE G
(ss. 77, 91, 92, 97, 99 and 202)
LIMIT VALUES FOR CERTAIN METALS AND METALLOIDS IN THE AIR


Column 1 Column 2
___________________________________

Nature of CAS1 Limit Initial Period
contaminants (µg/m3) concentration
(µg/m3)



Antimony 7440-36-0 0.17 0.007 1 year


Arsenic 7440-38-2 0.003 0.002 1 year


Barium 7440-39-3 0.05 0.025 1 year


Beryllium 7440-41-7 0.0004 0 1 year


Cadmium 7440-43-9 0.0036 0.003 1 year


Chromium 16065-83-1 0.1 0.01 1 year
(trivalent
chromium
compounds)


Chromium 18540-29-9 0.004 0.002 1 year
(hexavalent
chromium
compounds)


Copper 7440-50-8 2.5 0.2 24 hours


Lead 7439-92-1 0.1 0.025 1 year


Mercury 7439-97-6 0.005 0.002 1 year


Nickel compound 7440-02-0 0.014 0.002 24 hours
(measured in PM10)2


Silver 7440-22-4 0.23 0.005 1 year


Thallium 7440-28-0 0.25 0.05 1 year


Vanadium 7440-62-2 1 0.01 1 year


Zinc 7440-66-6 2.5 0.1 24 hours

1 The figures appearing opposite the contaminants listed in the Schedule are those of the identification code assigned by the Chemical Abstract Services of the American Chemical Society.
2 PM10: particles of less than 10 microns.
O.C. 501-2011, Sch. G; O.C. 1228-2013, s. 40.
SCHEDULE G
(ss. 77, 91, 92, 97, 99 and 202)
LIMIT VALUES FOR CERTAIN METALS AND METALLOIDS IN THE AIR


Column 1 Column 2
___________________________________

Nature of CAS1 Limit Initial Period
contaminants (µg/m3) concentration
(µg/m3)



Antimony 7440-36-0 0.17 0.007 1 year


Arsenic 7440-38-2 0.003 0.002 1 year


Barium 7440-39-3 0.05 0.025 1 year


Beryllium 7440-41-7 0.0004 0 1 year


Cadmium 7440-43-9 0.0036 0.003 1 year


Chromium 7440-47-3 0.004 0.0037 1 year


Copper 7440-50-8 2.5 0.2 24 hours


Lead 7439-92-1 0.1 0.025 1 year


Mercury 7439-97-6 0.15 0.01 1 year


Nickel 7440-02-0 0.012 0.01 1 year


Nickel 7440-02-0 6 0.25 1 hour


Silver 7440-22-4 0.23 0.005 1 year


Thallium 7440-28-0 0.25 0.05 1 year


Vanadium 7440-62-2 1 0.01 1 year


Zinc 7440-66-6 2.5 0.1 24 hours

1 The figures appearing opposite the contaminants listed in the Schedule are those of the identification code assigned by the Chemical Abstract Services of the American Chemical Society.
O.C. 501-2011, Sch. G.