Alachlor OA, 1000µg/ml in Acetonitrile, 1ml

N-Nitrosodipropylamine, 100 µg/ml, Methanol, 5ml

Ethanol standard in water,4.0g/L,water, 1.5mL

2,9-Dimethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17980-09-5