EPA Method 502/524 Phase V Additionals

Dibenzothiophene sulfone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1016-05-3

EPN, 100 µg/ml, Ethyl acetate, 1ml

Paraquat dichloride, 100 µg/ml, Methanol, 1ml