Chlormephos, 100 µg/ml, Ethyl acetate, 5ml

1,2,3,4,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, nonane

Surrogate Mix 1601,12 2-Fluorbiphenyl [321-60-8] 1313,10 1-Fluornapthalene [321-38-0] 2000µg/ml each in DCM, 5ml

Profenofos, 100 µg/ml, Toluene, 1ml