______________________________________________________
Contaminants Limit values
mg/kg of soil
(dry matter)
_______________________________________________________
I- METALS AND METALLOIDS
_______________________________________________________
Silver (Ag) 40
_______________________________________________________
Arsenic (As) 50
_______________________________________________________
Barium (Ba) 2,000
_______________________________________________________
Cadmium (Cd) 20
_______________________________________________________
Cobalt (Co) 300
_______________________________________________________
Chromium (Cr) 800
_______________________________________________________
Copper (Cu) 500
_______________________________________________________
Tin (Sn) 300
_______________________________________________________
Manganese (Mn) 2,200
_______________________________________________________
Mercury (Hg) 10
_______________________________________________________
Molybdenum (Mo) 40
_______________________________________________________
Nickel (Ni) 500
_______________________________________________________
Lead (Pb) 1,000
_______________________________________________________
Selenium (Se) 10
_______________________________________________________
Zinc (Zn) 1,500
_______________________________________________________
II- OTHER INORGANIC COMPOUNDS
_______________________________________________________
Available bromide (Br-) 300
_______________________________________________________
Available cyanide (CN-) 100
_______________________________________________________
Total cyanide (CN-) 500
_______________________________________________________
Available fluoride (F-) 2,000
_______________________________________________________
III- VOLATILE ORGANIC COMPOUNDS
_______________________________________________________
Monocyclic aromatic hydrocarbons
_______________________________________________________
Benzene 5
_______________________________________________________
Chlorobenzene (mono) 10
_______________________________________________________
1,2-Dichlorobenzene 10
_______________________________________________________
1,3-Dichlorobenzene 10
_______________________________________________________
1,4-Dichlorobenzene 10
_______________________________________________________
Ethylbenzene 50
_______________________________________________________
Styrene 50
_______________________________________________________
Toluene 30
_______________________________________________________
Xylenes 50
_______________________________________________________
Chlorinated aliphatic hydrocarbons
_______________________________________________________
Chloroform 50
_______________________________________________________
1,1-Dichloroethane 50
_______________________________________________________
1,2-Dichloroethane 50
_______________________________________________________
1,1-Dichloroethylene 50
_______________________________________________________
1,2-Dichloroethylene (cis and trans) 50
_______________________________________________________
Dichloromethane 50
_______________________________________________________
1,2-Dichloropropane 50
_______________________________________________________
1,3-Dichloropropylene (cis and trans) 50
_______________________________________________________
1,1,2,2-Tetrachloroethane 50
_______________________________________________________
Tetrachloroethylene 50
_______________________________________________________
Carbon tetrachloride 50
_______________________________________________________
1,1,1-Trichloroethane 50
_______________________________________________________
1,1,2-Trichloroethane 50
_______________________________________________________
Trichloroethylene 50
_______________________________________________________
IV- PHENOLIC COMPOUNDS
_______________________________________________________
Non-chlorinated
_______________________________________________________
Cresol (ortho, meta, para) 10
_______________________________________________________
2,4-Dimethylphenol 10
_______________________________________________________
2-Nitrophenol 10
_______________________________________________________
4-Nitrophenol 10
_______________________________________________________
Phenol 10
_______________________________________________________
Chlorinated
_______________________________________________________
Chlorophenol (-2, -3, or -4) 5
_______________________________________________________
2,3-Dichlorophenol 5
_______________________________________________________
2,4-Dichlorophenol 5
_______________________________________________________
2,5-Dichlorophenol 5
_______________________________________________________
2,6-Dichlorophenol 5
_______________________________________________________
3,4-Dichlorophenol 5
_______________________________________________________
3,5-Dichlorophenol 5
_______________________________________________________
Pentachlorophenol (PCP) 5
_______________________________________________________
2,3,4,5-Tetrachlorophenol 5
_______________________________________________________
2,3,4,6-Tetrachlorophenol 5
_______________________________________________________
2,3,5,6-Tetrachlorophenol 5
_______________________________________________________
2,3,4-Trichlorophenol 5
_______________________________________________________
2,3,5-Trichlorophenol 5
_______________________________________________________
2,3,6-Trichlorophenol 5
_______________________________________________________
2,4,5-Trichlorophenol 5
_______________________________________________________
2,4,6-Trichlorophenol 5
_______________________________________________________
3,4,5-Trichlorophenol 5
_______________________________________________________
V- POLYCYCLIC AROMATIC HYDROCARBONS
_______________________________________________________
Acenaphthene 100
_______________________________________________________
Acenaphthylene 100
_______________________________________________________
Anthracene 100
_______________________________________________________
Benzo(a)anthracene 10
_______________________________________________________
Benzo(a)pyrene 10
_______________________________________________________
Benzo(b+j+k)fluoranthene 10
(combination or each)
_______________________________________________________
Benzo(c)phenanthrene 10
_______________________________________________________
Benzo(g,h,i)perylene 10
_______________________________________________________
Chrysene 10
_______________________________________________________
Dibenzo(a,h)anthracene 10
_______________________________________________________
Dibenzo(a,i)pyrene 10
_______________________________________________________
Dibenzo(a,h)pyrene 10
_______________________________________________________
Dibenzo(a,l)pyrene 10
_______________________________________________________
7,12-Dimethylbenzo(a)anthracene 10
_______________________________________________________
Fluoranthene 100
_______________________________________________________
Fluorene 100
_______________________________________________________
Indeno(1,2,3-cd)pyrene 10
_______________________________________________________
3-Methylcholanthrene 10
_______________________________________________________
Naphthalene 50
_______________________________________________________
1-Methylnaphthalene 10
_______________________________________________________
2-Methylnaphthalene 10
_______________________________________________________
1,3-Dimethylnaphthalene 10
_______________________________________________________
2,3,5-Trimethylnaphthalene 10
_______________________________________________________
Phenanthrene 50
_______________________________________________________
Pyrene 100
_______________________________________________________
VI- NON-CHLORINATED BENZENE
COMPOUNDS
_______________________________________________________
2,4,6-Trinitrotoluene (TNT) 1.7
_______________________________________________________
VII- Chlorobenzenes
_______________________________________________________
Hexachlorobenzene 10
_______________________________________________________
Pentachlorobenzene 10
_______________________________________________________
1,2,3,4-Tetrachlorobenzene 10
_______________________________________________________
1,2,3,5-Tetrachlorobenzene 10
_______________________________________________________
1,2,4,5-Tetrachlorobenzene 10
_______________________________________________________
1,2,3-Trichlorobenzene 10
_______________________________________________________
1,2,4-Trichlorobenzene 10
_______________________________________________________
1,3,5-Trichlorobenzene 10
_______________________________________________________
VIII- POLYCHLORINATED BIPHENYLS(PCBs)
_______________________________________________________
Summation of the congeners 10
_______________________________________________________
IX- PESTICIDES
_______________________________________________________
Tebuthiuron 3,600
_______________________________________________________
X- OTHER ORGANIC SUBSTANCES
_______________________________________________________
Acrylonitrile 5
_______________________________________________________
Ethylene glycol 411
_______________________________________________________
Formaldehyde 125
_______________________________________________________
Dibutyl phthalate 70,000
_______________________________________________________
XI- INTEGRATING PARAMETERS
_______________________________________________________
Petroleum hydrocarbons C10 to C50 3,500
_______________________________________________________
XII- DIOXINS AND FURANS
_______________________________________________________
Summation of chlorodibenzodioxins 7.5 x 10-4
and chlorodibenzofurans expressed as
2,3,7,8-TCDD toxic equivalents
(NATO scale, 1988)
_______________________________________________________