EPA Method 555 Phenoxy-acids Herbicides

Ranitidine-HCl, 100µg/ml in Acetonitrile, 5ml

Endrin, 10.0 µg/ml, Ethyl acetate, 10ml

7-Methylbenzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 63041-77-0