EPA Method 524.3 - Surrogate Standard

2,4-Dichlorobenzonitrile, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6574-98-7

Carbamazepine, 1000µg/ml in MeOH, 1ml

Phenanthrene-9,10-13C2,100 µg/mL,n-nonane,1mL