Ethion, 10.0 µg/ml, Cyclohexane, 10ml

2,2',3',4,4',5,6'-Heptachloro-3-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane

1,2,4,5,7,8-Hexachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane