EPA Method 502/524 High Conc VOC Mix #2

Propachlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1918-16-7

TEPP, 10.0 µg/ml, Ethyl acetate, 10ml

N-Ethyl-N-(2-hydroxyethyl)perfluorooctylsulphonamide,50 µg/mL,acetonitrile,1mL,