EPA Method 525 - PAH Standard

Bezafibrate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 41859-67-0

Parathion-methyl, 10.0 µg/ml, Acetonitrile, 10ml

Bis(4-hydroxyphenyl) sulfone, 1.2ml x 50ug/ml, methanol