6-Methylchrysene, 10.0 µg/ml, Acetonitrile, 10ml

BHC (beta isomer-13C6), 50µg/ml in Nonane, 2x1,2ml

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

D4-Imidacloprid, 100 µg/ml, Acetone, 1ml