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Q-2, r. 4.1 - Clean Air Regulation
Schedule
Disposition versions
SCHEDULE K
(ss. 196, 197 and 202)
AIR QUALITY STANDARDS
| Nature of contaminants | CAS1 | Column 1 | Column 2 | Period |
| Limit (µg/m3) | Initial concentration (µg/m3) | |||
| Acetone | 67-64-1 | 8,600 | 170 | 4 minutes |
| Acetone | 67-64-1 | 380 | 4 | 1 year |
| Acetophenone | 98-86-2 | 100 | 0 | 1 year |
| Acetophenone | 98-86-2 | 830 | 0 | 4 minutes |
| Acrylic acid | 79-10-7 | 270 | 0 | 4 minutes |
| Acrylic acid | 79-10-7 | 1 | 0 | 1 year |
| Acrylonitrile | 107-13-1 | 12 | 0 | 1 year |
| Ammonia | 7664-41-7 | 350 | 100 | 4 minutes |
| Amyl acetate-n5 | 628-63-7 | 25 | 0 | 4 minutes |
| Aniline | 62-53-3 | 0.5 | 0 | 1 year |
| Antimony, metal and compounds (expressed as Sb) | 7440-36-0 | 0.17 | 0.007 | 1 year |
| Arsenic, elemental and inorganic compounds (except arsine), (expressed as As) | 7440-38-2 | 0.003 | 0.002 | 1 year |
| Barium, metal and soluble compounds (expressed as Ba) | 7440-39-3 | 0.05 | 0.025 | 1 year |
| Benzaldehyde | 100-52-7 | 100 | 0 | 1 year |
| Benzaldehyde | 100-52-7 | 200 | 0 | 4 minutes |
| Benzene | 71-43-2 | 10 | 3 | 24 hours |
| Benzo[a]pyrene | 50-32-8 | 0.0009 | 0.0003 | 1 year |
| Beryllium, metal and compounds (expressed as Be) | 7440-41-7 | 0.0004 | 0 | 1 year |
| Bromoform | 75-25-2 | 0.45 | 0.03 | 1 year |
| Bromomethane | 74-83-9 | 5 | 0.4 | 1 year |
| 2-Butoxyethanol | 111-76-2 | 210 | 0 | 4 minutes |
| Butyl acetate-n5 | 123-86-4 | 30 | 0 | 4 minutes |
| Cadmium compounds (expressed as Cd) | 7440-43-9 | 0.0036 | 0.003 | 1 year |
| Carbon disulphide | 75-15-0 | 25 | 0 | 4 minutes |
| Carbon monoxide | 630-08-0 | 34,000 | 2,650 | 1 hour |
| Carbon monoxide | 630-08-0 | 12,700 | 1,750 | 8 hours |
| Chlorine dioxide | 10049-04-4 | 0.2 | 0 | 1 year |
| Chlorobenzene | 108-90-7 | 8.5 | 0.3 | 1 year |
| Chloroethane | 75-00-3 | 10,900 | 0 | 4 minutes |
| Chloroethane | 75-00-3 | 500 | 0 | 1 year |
| Bis (chloromethyl) ether | 542-88-1 | 0.000016 | 0 | 1 year |
| 3-Chloropropene | 107-05-1 | 0.05 | 0 | 1 year |
| Chromium (trivalent chromium compounds) | 16065-83-1 | 0.1 | 0.01 | 1 year |
| Chromium (hexavalent chromium compounds) | 18540-29-9 | 0.004 | 0.002 | 1 year |
| Copper | 7440-50-8 | 2.5 | 0.2 | 24 hours |
| Cumene | 98-82-8 | 40 | 0 | 4 minutes |
| 1,2,Dibromoethane | 106-93-4 | 0.022 | 0.02 | 1 year |
| o-Dichlorobenzene | 95-50-1 | 4,200 | 0 | 4 minutes |
| o-Dichlorobenzene | 95-50-1 | 40 | 0 | 1 year |
| p-Dichlorobenzene | 106-46-7 | 730 | 0 | 4 minutes |
| p-Dichlorobenzene | 106-46-7 | 160 | 0 | 1 year |
| Dichloroethyl ether | 111-44-4 | 0.0015 | 0 | 1 year |
| Dichloromethane | 75-09-2 | 14,000 | 6 | 1 hour |
| Dichloromethane | 75-09-2 | 3.6 | 1 | 1 year |
| 1,2-Dichloropropane | 78-87-5 | 4 | 0 | 1 year |
| Dichloropropene | 542-75-6 | 0.2 | 0 | 1 year |
| Diisobutyl ketone | 108-83-8 | 640 | 0 | 4 minutes |
| Dimethylaniline - N,N | 121-69-7 | 2 | 0 | 1 year |
| Dimethylformamide - N,N | 68-12-2 | 6 | 0 | 1 year |
| Dioxins and furans (in toxic equivalents of 2,3,7,8T4CDD) | 1746-01-6 | 0.00000006 | 0.00000004 | 1 year |
| 1,2-Epoxybutane | 106-88-7 | 20 | 0 | 1 year |
| Epychlorohydrin | 106-89-8 | 0.8 | 0 | 1 year |
| Ethanol | 64-17-5 | 340 | 0 | 4 minutes |
| Ethyl acetate5 | 141-78-6 | 20 | 0 | 4 minutes |
| Ethylbenzene | 100-41-4 | 200 | 3 | 1 year |
| Ethylbenzene | 100-41-4 | 740 | 140 | 4 minutes |
| Ethylene oxide | 75-21-8 | 0.0005 | 0 | 1 year |
| Ethyl-3-ethoxy propionate | 763-69-9 | 300 | 0 | 4 minutes |
| Fine particles (PM2,5) | - | 30 | 20 | 24 hours |
| Formaldehyde | 50-00-0 | 37 | 3 | 15 minutes |
| Hexachloroethane | 67-72-1 | 0.03 | 0 | 1 year |
| Hexane-n | 110-54-3 | 140 | 3 | 1 year |
| Hexane-n | 110-54-3 | 5,300 | 140 | 4 minutes |
| Hydrogen chloride | 7647-01-0 | 1,150 | 0 | 4 minutes |
| Hydrogen chloride | 7647-01-0 | 20 | 0 | 1 year |
| Hydrogen sulphide | 7783-06-4 | 6 | 0 | 4 minutes |
| Hydrogen sulphide | 7783-06-4 | 2 | 0 | 1 year |
| Isobutyl acetate5 | 110-19-0 | 35 | 0 | 4 minutes |
| Isobutyl isobutyrate | 97-85-8 | 440 | 0 | 4 minutes |
| Isopropanol | 67-63-0 | 7,800 | 0 | 4 minutes |
| Lead | 7439-92-1 | 0.1 | 0.025 | 1 year |
| Mercury | 7439-97-6 | 0.005 | 0.002 | 1 year |
| Methanol | 67-56-1 | 5,500 | 120 | 4 minutes |
| Methanol | 67-56-1 | 50 | 10 | 1 year |
| Methyl ethyl ketone | 78-93-3 | 740 | 1.5 | 4 minutes |
| Methyl isobutyl ketone | 108-10-1 | 400 | 0 | 4 minutes |
| Methyl methacrylate | 80-62-6 | 200 | 0 | 4 minutes |
| Methyl tert butyl ether | 1634-04-4 | 180 | 0 | 4 minutes |
| Naphthalene | 91-20-3 | 200 | 5 | 4 minutes |
| Naphthalene | 91-20-3 | 3 | 0 | 1 year |
| Nickel compounds (expressed as Ni, measured in PM10)2 | 7440-02-0 | 0.07 | 0.005 | 24 hours |
| Nickel, compounds (expressed as Ni, measured in PM10)2 | 7440-02-0 | 0.02 | 0.002 | 1 year |
| Nitrogen dioxide | 10102-44-0 | 414 | 150 | 1 hour |
| Nitrogen dioxide | 10102-44-0 | 207 | 100 | 24 hours |
| Nitrogen dioxide | 10102-44-0 | 103 | 30 | 1 year |
| Ozone | 10028-15-6 | 160 | 130 | 1 hour |
| Ozone | 10028-15-6 | 125 | 120 | 8 hours |
| Pentachlorophenol | 87-86-5 | 0.001 | 0.0005 | 1 year |
| Phenol | 108-95-2 | 160 | 0 | 4 minutes |
| Phosphine | 7803-51-2 | 0.15 | 0 | 1 year |
| Phosphoric acid | 7664-38-2 | 10 | 0 | 1 year |
| Propylene oxide | 75-56-9 | 3,100 | 0 | 1 hour |
| Propylene oxide | 75-56-9 | 0.3 | 0 | 1 year |
| Silver (soluble compounds, expressed as Ag) | 7440-22-4 | 0.23 | 0.005 | 1 year |
| Styrene monomer4 | 100-42-5 | 150 | 0 | 1 hour |
| Sulphur dioxide3 | 7446-09-5 | 1,050 | 150 | 4 minutes |
| Sulphur dioxide | 7446-09-5 | 288 | 50 | 24 hours |
| Sulphur dioxide | 7446-09-5 | 52 | 20 | 1 year |
| 1,1,2,2-Tetrachloroethane | 79-34-5 | 0.05 | 0.03 | 1 year |
| Tetrachloroethylene | 127-18-4 | 2 | 1 | 1 year |
| Tetrachloromethane | 56-23-5 | 1 | 0.7 | 1 year |
| Thallium | 7440-28-0 | 0.25 | 0.05 | 1 year |
| Toluene | 108-88-3 | 600 | 260 | 4 minutes |
| Total particles | - | 120 | 90 | 24 hours |
| 1,1,2-Trichloroethane | 79-00-5 | 0.06 | 0.04 | 1 year |
| Trichloroethylene | 79-01-6 | 0.4 | 0.3 | 1 year |
| Triethylamine | 121-44-8 | 22 | 0 | 4 minutes |
| Triethylamine | 121-44-8 | 7 | 0 | 1 year |
| Vanadium | 7440-62-2 | 1 | 0.01 | 1 year |
| Vinyl acetate | 108-05-4 | 400 | 0 | 4 minutes |
| Vinyl acetate | 108-05-4 | 200 | 0 | 1 year |
| Vinyl chloride | 75-01-4 | 0.05 | 0.03 | 1 year |
| Vinylidene chloride | 75-35-4 | 0.5 | 0.04 | 1 year |
| Xylene (o-,m-,p-isomers) | 1330-20-7 | 350 | 150 | 4 minutes |
| Xylene (o-,m-,p-isomers) | 1330-20-7 | 20 | 8 | 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.
3 The limit may be exceeded up to 0.5% of the time on an annual basis, without exceeding 1,310 µg/m3.
4 The limit may be exceeded up to 2% of the time on an annual basis, without exceeding 1,910 µg/m3.
5 The limit may be exceeded up to 1% of the time on an annual basis.
SCHEDULE K
(ss. 196, 197 and 202)
AIR QUALITY STANDARDS
Column 1 Column 2
___________________________________
Nature of CAS Limit Initial Period
contaminants number1 (µg/m3) concentration
(µg/m3)
Acetone 67-64-1 8,600 170 4 minutes
Acetone 67-64-1 380 4 1 year
Acetophenone 98-86-2 100 0 1 year
Acetophenone 98-86-2 830 0 4 minutes
Acrylic acid 79-10-7 270 0 4 minutes
Acrylic acid 79-10-7 1 0 1 year
Acrylonitrile 107-13-1 12 0 1 year
Ammonia 7664-41-7 350 100 4 minutes
Amyl acetate-n5 628-63-7 25 0 4 minutes
Aniline 62-53-3 0.5 0 1 year
Antimony, metal 7440-36-0 0.17 0.007 1 year
and compounds
(expressed as Sb)
Arsenic, elemental 7440-38-2 0.003 0.002 1 year
and inorganic
compounds
(except arsine),
(expressed as As)
Barium, metal and 7440-39-3 0.05 0.025 1 year
soluble compounds
(expressed as Ba)
Benzaldehyde 100-52-7 100 0 1 year
Benzaldehyde 100-52-7 200 0 4 minutes
Benzene 71-43-2 10 3 24 hours
Benzo[a]pyrene 50-32-8 0.0009 0.0003 1 year
Beryllium, metal 7440-41-7 0.0004 0 1 year
and compounds
(expressed as Be)
Bromoform 75-25-2 0.45 0.03 1 year
Bromomethane 74-83-9 5 0.4 1 year
2-Butoxyethanol 111-76-2 210 0 4 minutes
Butyl acetate-n5 123-86-4 30 0 4 minutes
Cadmium compounds 7440-43-9 0.0036 0.003 1 year
(expressed as Cd)
Carbon disulphide 75-15-0 25 0 4 minutes
Carbon monoxide 630-08-0 34,000 2,650 1 hour
Carbon monoxide 630-08-0 12,700 1,750 8 hours
Chlorine dioxide 10049-04-4 0.2 0 1 year
Chlorobenzene 108-90-7 8.5 0.3 1 year
Chloroethane 75-00-3 10,900 0 4 minutes
Chloroethane 75-00-3 500 0 1 year
Bis(chloromethyl) 542-88-1 0.000016 0 1 year
ether
3-Chloropropene 107-05-1 0.05 0 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
Cumene 98-82-8 40 0 4 minutes
1,2,Dibromoethane 106-93-4 0.022 0.02 1 year
o-Dichlorobenzene 95-50-1 4,200 0 4 minutes
o-Dichlorobenzene 95-50-1 40 0 1 year
p-Dichlorobenzene 106-46-7 730 0 4 minutes
p-Dichlorobenzene 106-46-7 160 0 1 year
Dichloroethyl ether 111-44-4 0.0015 0 1 year
Dichloromethane 75-09-2 14,000 6 1 hour
Dichloromethane 75-09-2 3.6 1 1 year
1,2-Dichloropropane 78-87-5 4 0 1 year
Dichloropropene 542-75-6 0.2 0 1 year
Diisobutyl ketone 108-83-8 640 0 4 minutes
Dimethylaniline - 121-69-7 2 0 1 year
N,N
Dimethylformamide - 68-12-2 6 0 1 year
N,N
Dioxins and furans 1746-01-6 0.00000006 0.00000004 1 year
(in toxic equivalents
of 2,3,7,8T4CDD)
1,2-Epoxybutane 106-88-7 20 0 1 year
Epychlorohydrin 106-89-8 0.8 0 1 year
Ethanol 64-17-5 340 0 4 minutes
Ethyl acetate5 141-78-6 20 0 4 minutes
Ethylbenzene 100-41-4 200 3 1 year
Ethylbenzene 100-41-4 740 140 4 minutes
Ethylene oxide 75-21-8 0.0005 0 1 year
Ethyl-3-ethoxy 763-69-9 300 0 4 minutes
propionate
Fine particles (PM2.5) - 30 20 24 hours
Formaldehyde 50-00-0 37 3 15 minutes
Hexachloroethane 67-72-1 0.03 0 1 year
Hexane-n 110-54-3 140 3 1 year
Hexane-n 110-54-3 5,300 140 4 minutes
Hydrogen chloride 7647-01-0 1,150 0 4 minutes
Hydrogen chloride 7647-01-0 20 0 1 year
Hydrogen sulphide 7783-06-4 6 0 4 minutes
Hydrogen sulphide 7783-06-4 2 0 1 year
Isobutyl acetate5 110-19-0 35 0 4 minutes
Isobutyl isobutyrate 97-85-8 440 0 4 minutes
Isopropanol 67-63-0 7,800 0 4 minutes
Lead 7439-92-1 0.1 0.025 1 year
Mercury 7439-97-6 0.005 0.002 1 year
Methanol 67-56-1 5,500 120 4 minutes
Methanol 67-56-1 50 10 1 year
Methyl ethyl ketone 78-93-3 740 1.5 4 minutes
Methyl isobutyl 108-10-1 400 0 4 minutes
ketone
Methyl methacrylate 80-62-6 200 0 4 minutes
Methyl tert butyl 1634-04-4 180 0 4 minutes
ether
Naphthalene 91-20-3 200 5 4 minutes
Naphthalene 91-20-3 3 0 1 year
Nickel compounds 7440-02-0 0.014 0.002 24 hours
(measured in PM10)2
Nitrogen dioxide 10102-44-0 414 150 1 hour
Nitrogen dioxide 10102-44-0 207 100 24 hours
Nitrogen dioxide 10102-44-0 103 30 1 year
Ozone 10028-15-6 160 130 1 hour
Ozone 10028-15-6 125 120 8 hours
Pentachlorophenol 87-86-5 0.001 0.0005 1 year
Phenol 108-95-2 160 0 4 minutes
Phosphine 7803-51-2 0.15 0 1 year
Phosphoric acid 7664-38-2 10 0 1 year
Propylene oxide 75-56-9 3,100 0 1 hour
Propylene oxide 75-56-9 0.3 0 1 year
Silver 7440-22-4 0.23 0.005 1 year
(soluble compounds,
expressed as Ag)
Styrene monomer4 100-42-5 150 0 1 hour
Sulphur dioxide3 7446-09-5 1,050 150 4 minutes
Sulphur dioxide 7446-09-5 288 50 24 hours
Sulphur dioxide 7446-09-5 52 20 1 year
1,1,2,2- 79-34-5 0.05 0.03 1 year
Tetrachloroethane
Tetrachloroethylene 127-18-4 2 1 1 year
Tetrachloromethane 56-23-5 1 0.7 1 year
Thallium 7440-28-0 0.25 0.05 1 year
Toluene 108-88-3 600 260 4 minutes
Total particles - 120 90 24 hours
1,1,2-Trichloroethane 79-00-5 0.06 0.04 1 year
Trichloroethylene 79-01-6 0.4 0.3 1 year
Triethylamine 121-44-8 22 0 4 minutes
Triethylamine 121-44-8 7 0 1 year
Vanadium 7440-62-2 1 0.01 1 year
Vinyl acetate 108-05-4 400 0 4 minutes
Vinyl acetate 108-05-4 200 0 1 year
Vinyl chloride 75-01-4 0.05 0.03 1 year
Vinylidene chloride 75-35-4 0.5 0.04 1 year
Xylene 1330-20-7 350 150 4 minutes
(o-,m-,p-isomers)
Xylene 1330-20-7 20 8 1 year
(o-,m-,p-isomers)
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.
3 The limit may be exceeded up to 0.5% of the time on an annual basis, without exceeding 1,310 µg/m3.
4 The limit may be exceeded up to 2% of the time on an annual basis, without exceeding 1,910 µg/m3.
5 The limit may be exceeded up to 1% of the time on an annual basis.
SCHEDULE K
(ss. 196, 197 and 202)
AIR QUALITY STANDARDS
Column 1 Column 2
___________________________________
Nature of CAS Limit Initial Period
contaminants number1 (µg/m3) concentration
(µg/m3)
Acetone 67-64-1 8,600 170 4 minutes
Acetone 67-64-1 380 4 1 year
Acetophenone 98-86-2 100 0 1 year
Acetophenone 98-86-2 830 0 4 minutes
Acrylic acid 79-10-7 270 0 4 minutes
Acrylic acid 79-10-7 1 0 1 year
Acrylonitrile 107-13-1 12 0 1 year
Ammonia 7664-41-7 350 100 4 minutes
Amyl acetate-n 628-63-7 25 0 4 minutes
Aniline 62-53-3 0.5 0 1 year
Antimony, metal 7440-36-0 0.17 0.007 1 year
and compounds
(expressed as Sb)
Arsenic, elemental 7440-38-2 0.003 0.002 1 year
and inorganic
compounds
(except arsine),
(expressed as As)
Barium, metal and 7440-39-3 0.05 0.025 1 year
soluble compounds
(expressed as Ba)
Benzaldehyde 100-52-7 100 0 1 year
Benzaldehyde 100-52-7 200 0 4 minutes
Benzene 71-43-2 10 3 24 hours
Benzo[a]pyrene 50-32-8 0.0009 0.0003 1 year
Beryllium, metal 7440-41-7 0.0004 0 1 year
and compounds
(expressed as Be)
Bromoform 75-25-2 0.45 0.03 1 year
Bromomethane 74-83-9 5 0.4 1 year
2-Butoxyethanol 111-76-2 210 0 4 minutes
Butyl acetate-n 123-86-4 30 0 4 minutes
Cadmium compounds 7440-43-9 0.0036 0.003 1 year
(expressed as Cd)
Carbon disulphide 75-15-0 25 0 4 minutes
Carbon monoxide 630-08-0 34,000 2,650 1 hour
Carbon monoxide 630-08-0 12,700 1,750 8 hours
Chlorine dioxide 10049-04-4 0.2 0 1 year
Chlorobenzene 108-90-7 8.5 0.3 1 year
Chloroethane 75-00-3 10,900 0 4 minutes
Chloroethane 75-00-3 500 0 1 year
Bis(chloromethyl) 542-88-1 0.000016 0 1 year
ether
3ß-Chloropropene 107-05-1 0.05 0 1 year
Chromium 7440-47-3 0.004 0.0037 1 year
Copper 7440-50-8 2.5 0.2 24 hours
Cumene 98-82-8 40 0 4 minutes
1,2,Dibromoethane 106-93-4 0.022 0.02 1 year
o-Dichlorobenzene 95-50-1 4,200 0 4 minutes
o-Dichlorobenzene 95-50-1 40 0 1 year
p-Dichlorobenzene 106-46-7 730 0 4 minutes
p-Dichlorobenzene 106-46-7 160 0 1 year
Dichloroethyl ether 111-44-4 0.0015 0 1 year
Dichloromethane 75-09-2 14,000 6 1 hour
Dichloromethane 75-09-2 2 1 1 year
1,2-Dichloropropane 78-87-5 4 0 1 year
Dichloropropene 542-75-6 0.2 0 1 year
Diisobutyl ketone 108-83-8 640 0 4 minutes
Dimethylaniline - 121-69-7 2 0 1 year
N,N
Dimethylformamide - 68-12-2 6 0 1 year
N,N
Dioxins and furans 1746-01-6 0.00000006 0.00000004 1 year
(in toxic equivalents
of 2,3,7,8T4CDD)
1,2-Epoxybutane 106-88-7 20 0 1 year
Epychlorohydrin 106-89-8 0.8 0 1 year
Ethanol 64-17-5 340 0 4 minutes
Ethyl acetate 141-78-6 20 0 4 minutes
Ethylbenzene 100-41-4 200 3 1 year
Ethylbenzene 100-41-4 740 140 4 minutes
Ethylene oxide 75-21-8 0.0005 0 1 year
Ethyl-3-ethoxy 763-69-9 300 0 4 minutes
propionate
Fine particles (PM2.5) - 30 20 24 hours
Formaldehyde 50-00-0 37 3 15 minutes
Hexachloroethane 67-72-1 0.15 0 1 year
Hexane-n 110-54-3 140 3 1 year
Hexane-n 110-54-3 5,300 140 4 minutes
Hydrogen chloride 7647-01-1 1,150 0 4 minutes
Hydrogen chloride 7647-01-1 20 0 1 year
Hydrogen sulphide 7783-06-4 6 0 4 minutes
Hydrogen sulphide 7783-06-4 2 0 1 year
Isobutyl acetate 110-19-0 35 0 4 minutes
Isobutyl isobutyrate 97-85-8 440 0 4 minutes
Isopropanol 67-63-0 7,800 0 4 minutes
Lead 7439-92-1 0.1 0.025 1 year
Mercury 7439-97-6 0.15 0.01 1 year
Methanol 67-56-1 5,500 120 4 minutes
Methanol 67-56-1 50 10 1 year
Methyl ethyl ketone 78-93-3 740 1.5 4 minutes
Methyl isobutyl 108-10-1 400 0 4 minutes
ketone
Methyl methacrylate 80-62-6 200 0 4 minutes
Methyl tert butyl 1634-04-4 180 0 4 minutes
ether
Naphthalene 91-20-3 200 5 4 minutes
Naphthalene 91-20-3 3 0 1 year
Nickel compounds 7440-02-0 6 0.25 1 hour
Nickel compounds 7440-02-0 0.012 0.01 1 year
Nitrogen dioxide 10102-44-0 414 150 1 hour
Nitrogen dioxide 10102-44-0 207 100 24 hours
Nitrogen dioxide 10102-44-0 103 30 1 year
Ozone 10028-15-6 160 130 1 hour
Ozone 10028-15-6 125 120 8 hours
Pentachlorophenol 87-86-5 0.001 0.0005 1 year
Phenol 108-95-2 160 0 4 minutes
Phosphine 7803-51-2 0.15 0 1 year
Phosphoric acid 7664-38-2 10 0 1 year
Propylene oxide 75-56-9 3,100 0 1 hour
Propylene oxide 75-56-9 0.3 0 1 year
Silver 7440-22-4 0.23 0.005 1 year
(soluble compounds,
expressed as Ag)
Styrene monomer 100-42-5 150 0 1 hour
Sulphur dioxide2 7446-09-5 1,050 150 4 minutes
Sulphur dioxide 7446-09-5 288 50 24 hours
Sulphur dioxide 7446-09-5 52 20 1 year
1,1,2,2- 79-34-5 0.05 0.03 1 year
Tetrachloroethane
Tetrachloroethylene 127-18-4 2 1 1 year
Tetrachloromethane 56-23-5 1 0.7 1 year
Thallium 7440-28-0 0.25 0.05 1 year
Toluene 108-88-3 600 260 4 minutes
Total particles - 120 90 24 hours
1,1,2-Trichloroethane 79-00-5 0.06 0.04 1 year
Trichloroethylene 79-01-6 0.4 0.3 1 year
Triethylamine 121-44-8 22 0 4 minutes
Triethylamine 121-44-8 7 0 1 year
Vanadium 7440-62-2 1 0.01 1 year
Vinyl acetate 108-05-4 400 0 4 minutes
Vinyl acetate 108-05-4 200 0 1 year
Vinyl chloride 75-01-4 0.05 0.03 1 year
Vinylidene chloride 75-35-4 0.5 0.04 1 year
Xylene 1330-20-7 350 150 4 minutes
(o-,m-,p-isomers)
Xylene 1330-20-7 20 8 1 year
(o-,m-,p-isomers)
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 The limit may exceeded up to 0.5% of the time on an annual basis, without exceeding 1,310 µg/m3
