Proficiency Testing Ranges
Listed below are the analytes contained within each sample for proficiency
testing. The method detection limits to be used for determining the levels of
these analytes should fall between the low and high limits listed below.
Metals in Soil
SPE-001
RCRA
Study Type
Bismuth, Bi
2
205
|
1.00
|
to
|
1000
|
mg/Kg
|
Aluminum, Al
1, 3
1000
|
1000
|
to
|
25000
|
mg/Kg
|
Antimony, Sb
1, 3
1005
|
80.0
|
to
|
300
|
mg/Kg
|
Arsenic, As
1, 3
1010
|
40.0
|
to
|
400
|
mg/Kg
|
Barium, Ba
1, 3
1015
|
100
|
to
|
1000
|
mg/Kg
|
Beryllium, Be
1, 3
1020
|
40.0
|
to
|
400
|
mg/Kg
|
Boron, B
3, 4
1025
|
80.0
|
to
|
200
|
mg/Kg
|
Cadmium, Cd
1, 3
1030
|
40.0
|
to
|
400
|
mg/Kg
|
Calcium, Ca
1, 3
1035
|
1500
|
to
|
25000
|
mg/Kg
|
Chromium, Cr (total)
1, 3
1040
|
40.0
|
to
|
400
|
mg/Kg
|
Cobalt, Co
1, 3
1050
|
40.0
|
to
|
400
|
mg/Kg
|
Copper, Cu
1, 3
1055
|
40.0
|
to
|
400
|
mg/Kg
|
Iron, Fe
1, 3
1070
|
1000
|
to
|
50000
|
mg/Kg
|
Lead, Pb
1, 3
1075
|
40.0
|
to
|
400
|
mg/Kg
|
Lithium, Li
3
1080
|
50.0
|
to
|
250
|
mg/Kg
|
Magnesium, Mg
1, 3
1085
|
1200
|
to
|
25000
|
mg/Kg
|
Manganese, Mn
1, 3
1090
|
100
|
to
|
2000
|
mg/Kg
|
Mercury, Hg
1, 3
1095
|
1.00
|
to
|
35.0
|
mg/Kg
|
Molybdenum, Mo
1, 3
1100
|
30.0
|
to
|
300
|
mg/Kg
|
Nickel, Ni
1, 3
1105
|
40.0
|
to
|
500
|
mg/Kg
|
Potassium, K
1, 3
1125
|
1400
|
to
|
25000
|
mg/Kg
|
Selenium, Se
1, 3
1140
|
40.0
|
to
|
400
|
mg/Kg
|
Silicon, Si
3
1145
|
500
|
to
|
10000
|
mg/Kg
|
Silver, Ag
1, 3
1150
|
20.0
|
to
|
100
|
mg/Kg
|
Sodium, Na
1, 3
1155
|
150
|
to
|
15000
|
mg/Kg
|
Strontium, Sr
3
1160
|
40.0
|
to
|
400
|
mg/Kg
|
Thallium, Tl
1, 3
1165
|
40.0
|
to
|
400
|
mg/Kg
|
Tin, Sn
1, 3
1175
|
75.0
|
to
|
250
|
mg/Kg
|
Titanium, Ti
3
1180
|
20.0
|
to
|
500
|
mg/Kg
|
Vanadium, V
1, 3
1185
|
40.0
|
to
|
400
|
mg/Kg
|
Zinc, Zn
1, 3
1190
|
100
|
to
|
1000
|
mg/Kg
|
Phosphorus, P
3
1715
|
40.0
|
to
|
500
|
mg/Kg
|
pH
3
1900
|
2.00
|
to
|
12.0
|
Units
|
Silica as SiO2
3
1990
|
0.00
|
to
|
250000
|
mg/Kg
|