2,2',3,3',5,6,6'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL,

Triasulfuron, 100 µg/ml, Acetonitrile, 5ml

4-Nonylphenol-di-ethoxylate, 50 µg/ml, Acetone,

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