Hexachlorobenzene, 100 µg/ml, Ethyl acetate, 1ml

MCPA

Deuterated Internal Standard - PAH Mixture 9 10µg/mL each in toluene, 10x1mL in ampoulles Benzo[a]pyrene-d12 Indenopyrene[1,2,3-cd]pyrene-d12

beta-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL,