EPA Method 507 Pesticide Standard

3,5-Dimethylphenanthrene , 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33954-06-2

Chlorothalonil, 100 µg/ml, Ethyl acetate, 5ml

17b-Estradiol-2,4,16,16,17-d5, 100µg/ml in Acetonitrile, 5ml