(±)-Fipronil,100 µg/mL,acetonitrile,1mL,

PAH - Mix 16 (EPA 550/610), 100µg/ml in Cyclohexane, 5ml

Mono-n-butyl phthalate (ring-1,2-13C2, dicarboxyl-13C2, 99%) 100 µg/mL in MTBE, 1,2ml

Terbumeton, 100 µg/ml, Acetonitrile, 5ml