Chlorinated Aliphatics
(includes dry cleaning fluid, common degreasers, and their
    breakdown products)
Tetrachloroethene (PCE)
Trichloroethene (TCE)
Dichloroethene (DCE)
Vinyl Chloride (VC)
Trichloroethane (TCA)
Dichloroethane (DCA)
Chloroethane (CA)

Explosives & Nitroaromatics
RDX, MNX, DNX, TNX
HMX
TNT, DNT
Aminotoluenes

Inorganics & Metals
Perchlorate
Hexavalent Chromium
Other heavy metals (by sulfide precipitation)

Other Compounds
Certain chloromethanes
Certain pesticides & herbicides
Certain dyes