Pretilachlor, 100 µg/ml, Acetonitrile, 5ml

alpha-HCH-d6, 100µg/ml in Cyclohexane, 1ml

n-Hydrocarbons C5-C8 Conc

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