Metazachlor oxanilic acid (OA), 10mg

EPA Method 525 - Tuning Standard

ß alpha alpha (20R)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 481-20-9

Pentabromoethylbenzene, 1.2ml x 50ug/ml , toluene