EPA Method 8040 - Surrogate Standard Mix

4-Methylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 832-64-4

Benzene and Toluene Calibration Blends Mix#5

D5-Propachlor ESA sodium salt, 100µg/ml in Acetonitrile, 1ml