Parathion-methyl, 100 µg/ml, Ethyl acetate, 5ml

EPA Method 521 Nitrosamines

4-Bromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 101-55-3

Cyanuric Acid, 1.2ml x 100ug/ml, water