beta-Endosulfan, 100 µg/ml, Acetonitrile, 5ml

2,3',5-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL,

2'-OH-BDE-068, 50µg/ml in Acetonitrile, 1ml

n-Alkanes C10-C40 (even + pristane/phytane) 18 Analytes, each 100µg/ml in cyclohexane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the even n-paraffins + pristane and phytane. n-Decane C10 n-Dodecane C12 n-Tetradecane C14 n-Hexadecane C16