_______________________________________________________
Contaminants Limit values
mg/kg of soil
(dry matter)
_______________________________________________________
I- METALS AND METALLOIDS
_______________________________________________________
Silver (Ag) 20
_______________________________________________________
Arsenic (As) 30
_______________________________________________________
Barium (Ba) 500
_______________________________________________________
Cadmium (Cd) 5
_______________________________________________________
Cobalt (Co) 50
_______________________________________________________
Chromium (Cr) 250
_______________________________________________________
Copper (Cu) 100
_______________________________________________________
Tin (Sn) 50
_______________________________________________________
Manganese (Mn) 1,000
_______________________________________________________
Mercury (Hg) 2
_______________________________________________________
Molybdenum (Mo) 10
_______________________________________________________
Nickel (Ni) 100
_______________________________________________________
Lead (Pb) 500
_______________________________________________________
Selenium (Se) 3
_______________________________________________________
Zinc (Zn) 500
_______________________________________________________
II- OTHER INORGANIC COMPOUNDS
_______________________________________________________
Available bromide (Br-) 50
Available cyanide (CN-) 10
Total cyanide (CN-) 50
Available fluoride (F-) 400
_______________________________________________________
III- VOLATILE ORGANIC COMPOUNDS
_______________________________________________________
Monocyclic aromatic hydrocarbons
_______________________________________________________
Benzene 0.5
_______________________________________________________
Monochlorobenzene 1
_______________________________________________________
1,2-Dichlorobenzene 1
_______________________________________________________
1,3-Dichlorobenzene 1
_______________________________________________________
1,4-Dichlorobenzene 1
_______________________________________________________
Ethylbenzene 5
_______________________________________________________
Styrene 5
_______________________________________________________
Toluene 3
_______________________________________________________
Xylenes 5
_______________________________________________________
Chlorinated aliphatic hydrocarbons
_______________________________________________________
Chloroform 5
_______________________________________________________
1,1-Dichloroethane 5
_______________________________________________________
1,2-Dichloroethane 5
_______________________________________________________
1,1-Dichloroethylene 5
_______________________________________________________
1,2-Dichloroethylene (cis and trans) 5
_______________________________________________________
Dichloromethane 5
_______________________________________________________
1,2-Dichloropropane 5
_______________________________________________________
1,3-Dichloropropylene (cis and trans) 5
_______________________________________________________
1,1,2,2-Tetrachloroethane 5
_______________________________________________________
Tetrachloroethylene 5
_______________________________________________________
Carbon tetrachloride 5
_______________________________________________________
1,1,1-Trichloroethane 5
_______________________________________________________
1,1,2-Trichloroethane 5
_______________________________________________________
Trichloroethylene 5
_______________________________________________________
IV- PHENOLIC COMPOUNDS
_______________________________________________________
Non-chlorinated
_______________________________________________________
Cresol (ortho, meta, para) 1
_______________________________________________________
2,4-Dimethylphenol 1
_______________________________________________________
2-Nitrophenol 1
_______________________________________________________
4-Nitrophenol 1
_______________________________________________________
Phenol 1
_______________________________________________________
Chlorinated
_______________________________________________________
Chlorophenol (-2, -3, or -4) 0.5
_______________________________________________________
2,3-Dichlorophenol 0.5
_______________________________________________________
2,4-Dichlorophenol 0.5
_______________________________________________________
2,5-Dichlorophenol 0.5
_______________________________________________________
2,6-Dichlorophenol 0.5
_______________________________________________________
3,4-Dichlorophenol 0.5
_______________________________________________________
3,5-Dichlorophenol 0.5
_______________________________________________________
Pentachlorophenol (PCP) 0.5
_______________________________________________________
2,3,4,5-Tetrachlorophenol 0.5
_______________________________________________________
2,3,4,6-Tetrachlorophenol 0.5
_______________________________________________________
2,3,5,6-Tetrachlorophenol 0.5
_______________________________________________________
2,3,4-Trichlorophenol 0.5
_______________________________________________________
2,3,5-Trichlorophenol 0.5
_______________________________________________________
2,3,6-Trichlorophenol 0.5
_______________________________________________________
2,4,5-Trichlorophenol 0.5
_______________________________________________________
2,4,6-Trichlorophenol 0.5
_______________________________________________________
3,4,5-Trichlorophenol 0.5
_______________________________________________________
V- POLYCYCLIC AROMATIC HYDROCARBONS
_______________________________________________________
Acenaphthene 10
_______________________________________________________
Acenaphthylene 10
_______________________________________________________
Anthracene 10
_______________________________________________________
Benzo(a)anthracene 1
_______________________________________________________
Benzo(a)pyrene 1
_______________________________________________________
Benzo(b+j+k)fluoranthene 1
(combination or each)
_______________________________________________________
Benzo(c)phenanthrene 1
_______________________________________________________
Benzo(g,h,i)perylene 1
_______________________________________________________
Chrysene 1
_______________________________________________________
Dibenzo(a,h)anthracene 1
_______________________________________________________
Dibenzo(a,i)pyrene 1
_______________________________________________________
Dibenzo(a,h)pyrene 1
_______________________________________________________
Dibenzo(a,l)pyrene 1
_______________________________________________________
7,12-Dimethylbenzo(a)anthracene 1
_______________________________________________________
Fluoranthene 10
_______________________________________________________
Fluorene 10
_______________________________________________________
Indeno(1,2,3-cd)pyrene 1
_______________________________________________________
3-Methylcholanthrene 1
_______________________________________________________
Naphthalene 5
_______________________________________________________
1-Methylnaphthalene 1
_______________________________________________________
2-Methylnaphthalene 1
_______________________________________________________
1,3-Dimethylnaphthalene 1
_______________________________________________________
2,3,5-Trimethylnaphthalene 1
_______________________________________________________
Phenanthrene 5
_______________________________________________________
Pyrene 10
_______________________________________________________
VI- NON-CHLORINATED BENZENE COMPOUNDS
_______________________________________________________
2,4,6-Trinitrotoluene (TNT) 0.04
_______________________________________________________
VII- CHLOROBENZENES
_______________________________________________________
Hexachlorobenzene 2
_______________________________________________________
Pentachlorobenzene 2
_______________________________________________________
1,2,3,4-Tetrachlorobenzene 2
_______________________________________________________
1,2,3,5-Tetrachlorobenzene 2
_______________________________________________________
1,2,4,5-Tetrachlorobenzene 2
_______________________________________________________
1,2,3-Trichlorobenzene 2
_______________________________________________________
1,2,4-Trichlorobenzene 2
_______________________________________________________
1,3,5-Trichlorobenzene 2
_______________________________________________________
VIII- POLYCHLORINATED BIPHENYLS (PCBs)
_______________________________________________________
Summation of the congeners 1
_______________________________________________________
IX- PESTICIDES
_______________________________________________________
Tebuthiuron 50
_______________________________________________________
X- OTHER ORGANIC SUBSTANCES
_______________________________________________________
Acrylonitrile 1
_______________________________________________________
Ethylene glycol 97
_______________________________________________________
Formaldehyde 100
_______________________________________________________
Dibutyl phthalate 6
_______________________________________________________
XI- INTEGRATING PARAMETERS
_______________________________________________________
Petroleum hydrocarbons C10 to C20 700
_______________________________________________________
XII- DIOXINS AND FURANS
_______________________________________________________
Summation of chlorodibenzodioxins 1.5 x 10-5
and chlorodibenzofurans expressed as
2,3,7,8-TCDD toxic equivalents
(NATO scale, 1988)
_______________________________________________________