D3-Ibuprofen, 100 µg/ml, Acetonitrile, 1ml

1,2-Dichloroethane-d4

Thionazin-O-analog, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 7359-55-9

EPA Method 552.1 - Surrogate Standard