Guidance for reporting tailings and waste rock: appendix 2


Appendix 2: 2006-2008 NPRI substances and reporting for tailings and waste rock

Part 1A Substances
Part 1B Substances
Part 2 Substances

Part 1A substances
Name CAS number(1)
Acetaldehyde 75-07-0
Acetonitrile 75-05-8
Acetophenone 98-86-2
Acrolein 107-02-8
Acrylamide 79-06-1
Acrylic acid(2) 79-10-7
Acrylonitrile 107-13-1
Alkanes, C6-18, chloro 68920-70-7
Alkanes, C10-13, chloro 85535-84-8
Allyl alcohol 107-18-6
Allyl chloride 107-05-1
Aluminum(3) 7429-90-5
Aluminum oxide(4) 1344-28-1
Ammonia (total) (5) *
Aniline(2) 62-53-3
Anthracene 120-12-7
Antimony(6) *
Asbestos(7) 1332-21-4
Benzene 71-43-2
Benzoyl chloride 98-88-4
Benzoyl peroxide 94-36-0
Benzyl chloride 100-44-7
Biphenyl 92-52-4
Bis(2-ethylhexyl) adipate 103-23-1
Bis(2-ethylhexyl) phthalate 117-81-7
Boron trifluoride 7637-07-2
Bromine 7726-95-6
1-Bromo-2-chloroethane 107-04-0
Bromomethane 74-83-9
1,3-Butadiene 106-99-0
2-Butoxyethanol 111-76-2
Butyl acrylate 141-32-2
i-Butyl alcohol 78-83-1
n-Butyl alcohol 71-36-3
sec-Butyl alcohol 78-92-2
tert-Butyl alcohol 75-65-0
Butyl benzyl phthalate 85-68-7
1,2-Butylene oxide 106-88-7
Butyraldehyde 123-72-8
C.I. Acid Green 3 4680-78-8
C.I. Basic Green 4 569-64-2
C.I. Basic Red 1 989-38-8
C.I. Direct Blue 218 28407-37-6
C.I. Disperse Yellow 3 2832-40-8
C.I. Food Red 15 81-88-9
C.I. Solvent Orange 7 3118-97-6
C.I. Solvent Yellow 14 842-07-9
Calcium cyanide 156-62-7
Calcium fluoride 7789-75-5
Carbon disulphide 75-15-0
Carbon tetrachloride 56-23-5
Carbonyl sulphide 463-58-1
Catechol 120-80-9
CFC-11 75-69-4
CFC-12 75-71-8
CFC-13 75-72-9
CFC-114 76-14-2
CFC-115 76-15-3
Chlorendic acid 115-28-6
Chlorine 7782-50-5
Chlorine dioxide 10049-04-4
Chloroacetic acid(2) 79-11-8
Chlorobenzene 108-90-7
Chloroethane 75-00-3
Chloroform 67-66-3
Chloromethane 74-87-3
3-Chloro-2-methyl-1-propene 563-47-3
3-Chloropropionitrile 542-76-7
Chromium(8) *
Cobalt(6) *
Copper(6) *
Cresol(2, 9) 1319-77-3
Crotonaldehyde 4170-30-3
Cumene 98-82-8
Cumene hydroperoxide 80-15-9
Cyanides(10) *
Cyclohexane 110-82-7
Cyclohexanol 108-93-0
Decabromodiphenyl oxide 1163-19-5
2,4-Diaminotoluene (2) 95-80-7
2,6-Di-t-butyl-4-methylphenol 128-37-0
Dibutyl phthalate 84-74-2
o -Dichlorobenzene 95-50-1
p -Dichlorobenzene 106-46-7
3,3’-Dichlorobenzidine dihydrochloride 612-83-9
1,2-Dichloroethane 107-06-2
Dichloromethane 75-09-2
2,4-Dichlorophenol (2) 120-83-2
1,2-Dichloropropane 78-87-5
Dicyclopentadiene 77-73-6
Diethanolamine(2) 111-42-2
Diethyl phthalate 84-66-2
Diethyl sulphate 64-67-5
Dimethylamine 124-40-3
N,N-Dimethylaniline(2) 121-69-7
N,N-Dimethylformamide 68-12-2
Dimethyl phenol 1300-71-6
Dimethyl phthalate 131-11-3
Dimethyl sulphate 77-78-1
4,6-Dinitro-o-cresol(2) 534-52-1
2,4-Dinitrotoluene 121-14-2
2,6-Dinitrotoluene 606-20-2
Dinitrotoluene(11) 25321-14-6
Di-n-octyl phthalate 117-84-0
1,4-Dioxane 123-91-1
Diphenylamine 122-39-4
Epichlorohydrin 106-89-8
2-Ethoxyethanol 110-80-5
2-Ethoxyethyl acetate 111-15-9
Ethyl acrylate 140-88-5
Ethylbenzene 100-41-4
Ethyl chloroformate 541-41-3
Ethylene 74-85-1
Ethylene glycol 107-21-1
Ethylene oxide 75-21-8
Ethylene thiourea 96-45-7
Fluorine 7782-41-4
Formaldehyde 50-00-0
Formic acid 64-18-6
Halon 1211 353-59-3
Halon 1301 75-63-8
HCFC-22 75-45-6
HCFC-122 and all isomers(12) 41834-16-6
HCFC-123 and all isomers(13) 34077-87-7
HCFC 124 and all isomers(14) 63938-10-3
HCFC-141b 1717-00-6
HCFC-142b 75-68-3
Hexachlorocyclopentadiene 77-47-4
Hexachloroethane 67-72-1
Hexachlorophene 70-30-4
n -Hexane 110-54-3
Hydrazine(2) 302-01-2
Hydrochloric acid 7647-01-0
Hydrogen cyanide 74-90-8
Hydrogen fluoride 7664-39-3
Hydrogen sulphide 7783-06-4
Hydroquinone(2) 123-31-9
Iron pentacarbonyl 13463-40-6
Isobutyraldehyde 78-84-2
Isophorone diisocyanate 4098-71-9
Isoprene 78-79-5
Isopropyl alcohol 67-63-0
p,p’-Isopropylidenediphenol 80-05-7
Isosafrole 120-58-1
Lithium carbonate 554-13-2
Maleic anhydride 108-31-6
Manganese(6) *
2-Mercaptobenzothiazole 149-30-4
Methanol 67-56-1
2-Methoxyethanol 109-86-4
2-Methoxyethyl acetate 110-49-6
Methyl acrylate 96-33-3
Methyl tert-butyl ether 1634-04-4
p,p’ -Methylenebis(2-chloroaniline) 101-14-4
1,1-Methylenebis (4-isocyanatocyclohexane) 5124-30-1
Methylenebis (phenylisocyanate) 101-68-8
p,p’ -Methylenedianiline 101-77-9
Methyl ethyl ketone 78-93-3
Methyl iodide 74-88-4
Methyl isobutyl ketone 108-10-1
Methyl methacrylate 80-62-6
N-Methylolacrylamide 924-42-5
2-Methylpyridine 109-06-8
N-Methyl-2-pyrrolidone 872-50-4
Michler’s ketone(2) 90-94-8
Molybdenum trioxide 1313-27-5
Naphthalene 91-20-3
Nickel(6) *
Nitrate ion(15) *
Nitric acid 7697-37-2
Nitrilotriacetic acid(2) 139-13-9
p -Nitroaniline 100-01-6
Nitrobenzene 98-95-3
Nitroglycerin 55-63-0
p -Nitrophenol(2) 100-02-7
2-Nitropropane 79-46-9
N-Nitrosodiphenylamine 86-30-6
Nonylphenol and its ethoxylates(16) *
Octylphenol and its ethoxylates(17) *
Paraldehyde 123-63-7
Pentachloroethane 76-01-7
Peracetic acid(2) 79-21-0
Phenol(2) 108-95-2
p -Phenylenediamine(2) 106-50-3
o -Phenylphenol(2) 90-43-7
Phosgene 75-44-5
Phosphorus(18) 7723-14-0
Phosphorus (total) (19) *
Phthalic anhydride 85-44-9
Polymeric diphenylmethane diisocyanate 9016-87-9
Potassium bromate 7758-01-2
Propargyl alcohol 107-19-7
Propionaldehyde 123-38-6
Propylene 115-07-1
Propylene oxide 75-56-9
Pyridine(2) 110-86-1
Quinoline(2) 91-22-5
p-Quinone 106-51-4
Safrole 94-59-7
Selenium(6) *
Silver(6) *
Sodium fluoride 7681-49-4
Sodium nitrite 7632-00-0
Styrene 100-42-5
Styrene oxide 96-09-3
Sulphurhexafluoride 2551-62-4
Sulphuric acid 7664-93-9
1,1,1,2-Tetrachloroethane 630-20-6
1,1,2,2-Tetrachloroethane 79-34-5
Tetrachloroethylene 127-18-4
Tetracycline hydrochloride 64-75-5
Thiourea 62-56-6
Thorium dioxide 1314-20-1
Titanium tetrachloride 7550-45-0
Toluene 108-88-3
Toluene-2,4-diisocyanate 584-84-9
Toluene-2,6-diisocyanate 91-08-7
Total reduced sulphur(20) *
1,2,4-Trichlorobenzene 120-82-1
Toluenediisocyanate (11) 26471-62-5
1,1,2-Trichloroethane 79-00-5
Trichloroethylene 79-01-6
Triethylamine 121-44-8
1,2,4-Trimethylbenzene 95-63-6
2,2,4-Trimethylhexamethylene diisocyanate 16938-22-0
2,4,4-Trimethylhexamethylene diisocyanate 15646-96-5
Vanadium(21) 7440-62-2
Vinyl acetate 108-05-4
Vinyl chloride 75-01-4
Vinylidene chloride 75-35-4
Xylene(22) 1330-20-7
Zinc(6) *
Part 1B substances
Name CAS number
Mercury(6) *
Cadmium(6) *
Arsenic(6) *
Hexavalent chromium(6) *
Lead(23, 24) *
Tetraethyl lead 78-00-2
Part 2 substances
Name CAS number
Acenaphthene 83-32-9
Acenaphthylene 208-96-8
Benzo(a)anthracene 56-55-3
Benzo(a)phenanthrene 218-01-9
Benzo(a)pyrene 50-32-8
Benzo(b)fluoranthene 205-99-2
Benzo(e)pyrene 192-97-2
Benzo(g,h,i)perylene 191-24-2
Benzo(j)fluoranthene 205-82-3
Benzo(k)fluoranthene 207-08-9
Dibenz(a,j)acridine 224-42-0
Dibenzo(a,e)fluoranthene 5385-75-1
Dibenzo(a,e)pyrene 192-65-4
Dibenzo(a,h)acridine 226-36-8
Dibenzo(a,h)anthracene 53-70-3
Dibenzo(a,h)pyrene  189-64-0
Dibenzo(a,i)pyrene  189-55-9
Dibenzo(a,l)pyrene  191-30-0
7H-Dibenzo(c,g)carbazole  194-59-2
7,12-Dimethylbenz(a)anthracene   57-97-6
Fluoranthene  206-44-0
Fluorene 86-73-7
Indeno(1,2,3-c,d)pyrene  193-39-5
3-Methylcholanthrene  56-49-5
5-Methylchrysene  3697-24-3
1-Nitropyrene  5522-43-0
Perylene  198-55-0
Phenanthrene  85-01-8
Pyrene  129-00-0

* No single CAS number applies to this NPRI listing.

(1) CAS Registry Number denotes the Chemical Abstracts Service Registry Number, as appropriate.

(2) “and its salts” - the CAS number corresponds to the weak acid or base. However, the substance includes the salts of these weak acids and bases. When calculating the weight of these substances and their salts, use the molecular weight of the acid or base, not the total weight of the salt.

(3) “fume or dust”

(4) “fibrous forms”

(5) “Ammonia (total)” means the total of both of ammonia (NH3 - CAS No. 7664-41-7) and the ammonium ion (NH4+) in solution.

(6) “an d its compounds”  

(7) “friable form”               

(8) “and its compounds” except hexavalent chromium compounds 

(9) “all isomers” including the individual isomers of cresol:  m-cresol (CAS No. 108-39-4), o-cresol (CAS No. 95-48-7) and p-cresol (CAS No. 106-44-5).     

(10) “ionic”

(11) “mixed isomers”

(12)  “all isomers” including, but not limited to, HCFC-122 (CAS No. 354-21-2).

(13) “all isomers” including, but not limited to, HCFC-123 (CAS No. 306-83-2) and HCFC 123a (CAS No. 90454-18-5).

(14) “all isomers” including, but not limited to, HCFC 124 (CAS No. 2837-89-0), and HCFC 124a (CAS No. 354-25-6).

(15) “in solution at a pH of 6.0 or greater”

(16)  Includes nonylphenol, its ethoxylates and derivatives with CAS numbers:  104-40-5; 25154-52-3; 84852-15-3; 1323-65-5; 26523-78-4; 28987-17-9; 68081-86-7; 68515-89-9; 68515-93-5; 104-35-8; 20427-84-3; 26027-38-3; 27177-05-5; 27177-08-8; 28679-13-2; 27986-36-3; 37251-69-7; 7311-27-5; 9016-45-9; 27176-93-8; 37340-60-6; 51811-79-1; 51938-25-1; 68412-53-3; 9051-57-4; 7205-87-1; 68412-54-4; 127087-87--1.

(17)  Includes octylphenol and its ethoxylates with CAS numbers: 140-66-9; 1806-26-4; 27193-28-8; 68987-90-6; 9002-93-1; 9036-19-5  

(18)  “yellow or white”        

(19)  Does not include phosphorus (yellow or white) with CAS No. 7723-14-0.               

(20)  This class of substances, expressed in terms of hydrogen sulphide, is restricted to the following substances:  hydrogen sulphide (CAS No. 7783-06-4), carbon disulphide (CAS No. 75-15-0), carbonyl sulphide (CAS No. 463-58-1), dimethyl sulphide (CAS No. 75-18-3), dimethyl disulphide (CAS No. 624-92-0), and methyl mercaptan (CAS No. 74-93-1).               

(21)  “(except when in an alloy) and its compounds”

(22)  “all isomers” including the individual isomers of xylene:  m-xylene (CAS No. 108-38-3), o-xylene (CAS No. 95-47-6) and p-xylene (CAS No. 106-42-3).

(23)  “and its compounds” except tetraethyl lead.

(24)  Does not include lead (and its compounds) contained in stainless steel, brass or bronze alloy.

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