To analyze organic compounds: Aldrine dealdrine, Residual, benzene, benzo (a) Pyrine, Chloroformn (Total Isomar), Chloroform, 2,4-D, DDT, Detergent, 1,2-Dicloroethane, 1,1-Dichloroetane, hexachlorobenzene, Heptachlor and heptaclorepoxida, Gamma-HCH (Lindane) Methoxyclor, pentacloropenol, 2,4,6 triclorophenol, pestiside