100 µg/mL of each analyte in CyclohexaneAldrin Endrin ketone4,4'-DDD alpha-HCH4,4'-DDE beta-HCH4,4'-DDT delta-HCH Dieldrin gamma-HCH Endosulfan I HeptachlorEndosulfan II Heptachlor epoxide (endo) (isomer A) Endosulfan sulphate Heptachlor epoxide (exo) (isomer B) Endrin 4,4’-Methoxychlor
