Compounds
Soil
Water
TPH
2 to 150 ppm
0.1 to 0.5 ppm
BTEX
1 to 5 ppm
10 to 500 ppb
PAHs
0.2 to 25 ppm
1 to 500 ppb
Pesticides
1 to 100 ppb
50 ppt to 10 ppb
PCBs
0.1 to 1.0 ppm
Less than 1.0 ppb
PCP
0.1 to 0.5 ppm
0.1 to 5 ppb
Explosives
0.2 to 1.0 ppm
0 .5 to 5 ppb