EPA Method 502/524 Surrogate Standard #2

Dichlofenthion, 10 µg/ml, Ethyl acetate, 10ml

EPA Method 610 PAH Mix, in MeCH:MeOH, 1ml

Metalaxyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 57837-19-1