Phenanthrene, 10µg/ml in Acetonitrile, 10ml

CONOSTAN Standard S-21, 500 ppm, 100g

Omethoate, 1000µg/ml in MeOH, 1ml

2,2',3,4',5,6'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,