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

Heptachlor endo-epoxide, 10.0 µg/ml, Ethyl acetat

n-C30/n-C20, n-Triacontane/n-Eicosane (Integration control) 1000 µg n-Triacontane and 2000 µg n-Eicosane in 1mL isooctane n-Triacontane/n-Eicosane = 1:2

O,O,O-Triphenyl phosphorothionate,1000 µg/mL ,MeOH,1mL,