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KELLY
GUIDELINES FOR CLASSIFICATION OF CONTAMINATED SOILS*
Guidelines for
classification of contaminated soils - suggested range
of values (mg/kg) on air dried soils, except for pH.
Parameter
|
Typical
values for
uncontaminated
soils
|
Slight
contamination
|
Contamination
|
Heavy
contamination
|
Unusually
heavy
contamination
|
|
|
A
|
B
|
C
|
D
|
E
|
pH (acid)
|
6-7
|
5-6
|
4-5
|
2-4
|
<2
|
pH (alkaline)
|
7-8
|
8-9
|
9-10
|
10-12
|
>12
|
Antimony
|
0-30
|
30-50
|
50-100
|
100-500
|
>500
|
Arsenic
|
0-30
|
30-50
|
50-100
|
100-500
|
>500
|
Cadmium
|
0-1
|
1-3
|
3-10
|
10-50
|
>50
|
Chromium
|
0-100
|
100-200
|
200-500
|
500-2500
|
>2500
|
Copper (available)
|
0-100
|
100-200
|
200-500
|
500-2500
|
>2500
|
Lead
|
0-500
|
500-1000
|
1000-2000
|
2000-1.0%
|
>1.0%
|
Lead (available)
|
0-200
|
200-500
|
500-1000
|
1000-5000
|
>5000
|
Mercury
|
0-1
|
1-3
|
3-10
|
10-50
|
>50
|
Nickel (available)
|
0-20
|
20-50
|
50-200
|
200-1000
|
>1000
|
Zinc (available)
|
0-250
|
250-500
|
500-1000
|
1000-5000
|
>5000
|
Zinc (equivalent)
|
0-250
|
250-500
|
500-2000
|
2000-1.0%
|
>1.0%
|
Boron (available)
|
0-2
|
2-5
|
5-50
|
50-250
|
>250
|
Selenium
|
0-1
|
1-3
|
3-10
|
10-50
|
>50
|
Barium
|
0-500
|
500-1000
|
1000-2000
|
2000-1.0%
|
>1.0%
|
Beryllium
|
0-5
|
5-10
|
10-20
|
20-50
|
>50
|
Manganese
|
0-500
|
500-1000
|
1000-2000
|
2000-1.0%
|
>1.0%
|
Vanadium
|
0-100
|
100-200
|
200-500
|
500-2500
|
>2500
|
Magnesium
|
0-500
|
500-1000
|
1000-2000
|
2000-1.0%
|
>1.0%
|
Sulphate
|
0-2000
|
2000-5000
|
5000-1.0%
|
1.0-5.0%
|
>5.05
|
Sulphur (free)
|
0-100
|
100-500
|
500-1000
|
1000-5000
|
>5000
|
Sulphide
|
0-10
|
10-20
|
20-100
|
100-500
|
>500
|
Cyanide (free)
|
0-1
|
1-5
|
5-50
|
50-100
|
>100
|
Cyanide
|
0-5
|
5-25
|
25-250
|
250-500
|
>500
|
Ferricyanide
|
0-100
|
100-500
|
500-1000
|
1000-5000
|
>5000
|
Thiocyanate
|
0-10
|
10-50
|
50-100
|
100-500
|
>2500
|
Coal tar
|
0-500
|
500-1000
|
1000-2000
|
2000-1.0%
|
>1.0%
|
Phenol
|
0-2
|
2-5
|
5-50
|
50-250
|
>250
|
Toluene extract
|
0-5000
|
5000-1.0%
|
1.0-5.0%
|
5.0-25.0%
|
>25.0%
|
Cyclohexane extract
|
0-2000
|
2000-5000
|
5000-2.0%
|
2.0-10%
|
>10.0%
|
LIST
OF TYPICAL DETERMINATIONS
1.
(a) pH
- values outside the range 5-9,
dependent options i) acidity ii)
alkalinity
(b) Acid soluble sulphate (5% HCL
extract)
(c) Magnesium (dependent option when
sulphate exceeds%)
2.
(a)
Elemental sulphur
(b) Sulphide
(c) Total cyanide (dependent options
ferro ferricyanide, thiocyanate and
free cyanide, when total cyanide
exceeds 20 ppm)
3.
(a)
Phenols
(b) Toluene extract
(c) Cyclohexane extract
(d) Coal tar (dependent option when
toluene or cyclohexane extract
exceeds 5000 ppm)
(e) Organic chlorine
(f) Mineral oil (dependent option as
for coal tar)
4. Total
metals
(a)
Lead
(b) Cadmium
(c) Mercury
(d) Antimony
(e) Arsenic
5.
Available metals
(a)
Zinc
(b) Nickel
(c) Lead
(d) Copper
(e) Boron
6.
Miscellaneous
(a)
Manganese (total)
(b) Chromium (total)
(c) Selenium (total)
(d) Barium (total)
(e) Vanadium (total)
(f) Beryllium (total)
EXAMPLE
RANGE OF CONTAMINANTS FROM ONE SITE
|
Contaminant |
Median
Value
|
Maximum
Value
|
|
Free
cyanide
Free sulphide
Ferri
ferrocyanide
Thiocyanate
Arsenic
Mercury
Total
lead
Soluble
lead
Cadmium
Zinc
equivalent
Phenols
Coal
tars
|
1
16
20
2
16
1
430
60
0.5
150
0.5
0.1%
|
80
8,600
10,000
4,500
463
41
6,840
3,120
62
11,000
195
25%
|
*Taken from,
Site Investigation and Materials Problems, Proceedings
of the conference on Reclamation of Contaminated Land,
Eastbourne, October 1979 (Society of the Chemical
Industry, London 1980).
Click here
for the ICRCL tables
Click here for the Dutch tables
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