Waste transaction tracking requires up to four contaminants to be identified, where applicable. List contaminants in order of potential hazard.

Key
NOS = not otherwise specified

Description Code
Polychlorinated biphenyl and related compounds. 1
Halogenated hydrocarbons NOS. 2
Mercury and mercuric compounds. 3
Chromium and chromium compounds. 4
Arsenic and arsenic compounds. 5
Cadmium and cadmium compounds. 6
Boron compounds. 7
Inorganic cyanides. 8
Mercaptans, methacrylates and sulfides. 9
Lead compounds. 10
Copper compounds. 11
Zinc compounds. 12
Nickel compounds. 13
Silver compounds. 14
Vanadium compounds. 15
Cobalt compounds. 16
Fluoride compounds NOS. 17
Acidic solutions. 18
Basic solutions. 19
Asbestos 20
Peroxides 21
Perchlorates 22
Isocyanates and thiocyanates. 23
Phenols 24
Organic solvents, excluding halogenated solvents. 25
Aromatic compounds NOS. 26
Beryllium and beryllium compounds. 27
Selenium and selenium compounds. 28
Tin compounds. 29
Antimony and antimony compounds. 30
Tellurium and tellurium compounds. 31
Barium and barium compounds. 32
Thallium and thallium compounds. 33
Inorganic sulfides. 34
Inorganic fluoride compounds. 35
Organic cyanides. 36
Alkaline or alkaline earth metals. 37
Inorganic phosphorus compounds. 38
Metal carbonyls. 39
Chlorates 40
Azides 41
Pharmaceutical or veterinary compounds. 42
Biocides and phytopharmaceutical substances NOS. 43
Creosotes 44
Organic phosphorus compounds. 45
Ethers 46
Organic nitrogen compounds, especially aliphatic amines. 47
Organic nitrogen compounds, especially aromatic amines. 48
Explosives 49
Sulfur organic compounds NOS. 50
Any congenor of polychlorinated dibenzo-furan. 51
Any congenor of polychlorinated dibenzo-p-dioxin. 52
Hydrocarbons and its oxygen nitrogen or sulfur compounds NOS. 53
Halogenated organic solvents NOS. 54
Molybdenum and molybdenum compounds. 55
Organochlorine pesticides. 56
Phenoxyacetic acid herbicides (including 2,4-D). 57
Phthalates 58
Ethylene diamine tetra acetic acid (EDTA). 59
Nitrogen compounds, including nitrates and nitrites. 60
Chloride 61
Iodide 62
Polybrominated compounds. 63
Benzene 64
Benzo(a)pyrene 65
C6-C9 petroleum hydrocarbons. 66
C10-C36 petroleum hydrocarbons. 67
Carbon tetrachloride. 68
Chlorobenzene 69
Chloroform 70
Chlorophenol 71
Cresol 72
Dichlorobenzene 73
Dichloromethane 74
Dichlorophenol 75
Dinitrotoluene 76
Ethylbenzene 77
Formaldehyde 78
Hexachlorobutadiene 79
Methyl ethyl ketone. 80
Nitrobenzene 81
PAH NOS 82
Styrene 83
Tetrachloroethane 84
Toluene 85
Trichlorobenzene 86
Trichloroethane 87
Trichlorophenol 88
Vinyl chloride 89
Xylenes 90
Description
Polychlorinated biphenyl and related compounds.
Code
1
Description
Halogenated hydrocarbons NOS.
Code
2
Description
Mercury and mercuric compounds.
Code
3
Description
Chromium and chromium compounds.
Code
4
Description
Arsenic and arsenic compounds.
Code
5
Description
Cadmium and cadmium compounds.
Code
6
Description
Boron compounds.
Code
7
Description
Inorganic cyanides.
Code
8
Description
Mercaptans, methacrylates and sulfides.
Code
9
Description
Lead compounds.
Code
10
Description
Copper compounds.
Code
11
Description
Zinc compounds.
Code
12
Description
Nickel compounds.
Code
13
Description
Silver compounds.
Code
14
Description
Vanadium compounds.
Code
15
Description
Cobalt compounds.
Code
16
Description
Fluoride compounds NOS.
Code
17
Description
Acidic solutions.
Code
18
Description
Basic solutions.
Code
19
Description
Asbestos
Code
20
Description
Peroxides
Code
21
Description
Perchlorates
Code
22
Description
Isocyanates and thiocyanates.
Code
23
Description
Phenols
Code
24
Description
Organic solvents, excluding halogenated solvents.
Code
25
Description
Aromatic compounds NOS.
Code
26
Description
Beryllium and beryllium compounds.
Code
27
Description
Selenium and selenium compounds.
Code
28
Description
Tin compounds.
Code
29
Description
Antimony and antimony compounds.
Code
30
Description
Tellurium and tellurium compounds.
Code
31
Description
Barium and barium compounds.
Code
32
Description
Thallium and thallium compounds.
Code
33
Description
Inorganic sulfides.
Code
34
Description
Inorganic fluoride compounds.
Code
35
Description
Organic cyanides.
Code
36
Description
Alkaline or alkaline earth metals.
Code
37
Description
Inorganic phosphorus compounds.
Code
38
Description
Metal carbonyls.
Code
39
Description
Chlorates
Code
40
Description
Azides
Code
41
Description
Pharmaceutical or veterinary compounds.
Code
42
Description
Biocides and phytopharmaceutical substances NOS.
Code
43
Description
Creosotes
Code
44
Description
Organic phosphorus compounds.
Code
45
Description
Ethers
Code
46
Description
Organic nitrogen compounds, especially aliphatic amines.
Code
47
Description
Organic nitrogen compounds, especially aromatic amines.
Code
48
Description
Explosives
Code
49
Description
Sulfur organic compounds NOS.
Code
50
Description
Any congenor of polychlorinated dibenzo-furan.
Code
51
Description
Any congenor of polychlorinated dibenzo-p-dioxin.
Code
52
Description
Hydrocarbons and its oxygen nitrogen or sulfur compounds NOS.
Code
53
Description
Halogenated organic solvents NOS.
Code
54
Description
Molybdenum and molybdenum compounds.
Code
55
Description
Organochlorine pesticides.
Code
56
Description
Phenoxyacetic acid herbicides (including 2,4-D).
Code
57
Description
Phthalates
Code
58
Description
Ethylene diamine tetra acetic acid (EDTA).
Code
59
Description
Nitrogen compounds, including nitrates and nitrites.
Code
60
Description
Chloride
Code
61
Description
Iodide
Code
62
Description
Polybrominated compounds.
Code
63
Description
Benzene
Code
64
Description
Benzo(a)pyrene
Code
65
Description
C6-C9 petroleum hydrocarbons.
Code
66
Description
C10-C36 petroleum hydrocarbons.
Code
67
Description
Carbon tetrachloride.
Code
68
Description
Chlorobenzene
Code
69
Description
Chloroform
Code
70
Description
Chlorophenol
Code
71
Description
Cresol
Code
72
Description
Dichlorobenzene
Code
73
Description
Dichloromethane
Code
74
Description
Dichlorophenol
Code
75
Description
Dinitrotoluene
Code
76
Description
Ethylbenzene
Code
77
Description
Formaldehyde
Code
78
Description
Hexachlorobutadiene
Code
79
Description
Methyl ethyl ketone.
Code
80
Description
Nitrobenzene
Code
81
Description
PAH NOS
Code
82
Description
Styrene
Code
83
Description
Tetrachloroethane
Code
84
Description
Toluene
Code
85
Description
Trichlorobenzene
Code
86
Description
Trichloroethane
Code
87
Description
Trichlorophenol
Code
88
Description
Vinyl chloride
Code
89
Description
Xylenes
Code
90

Reviewed 29 July 2021