EPA Method 502/524 Surrogate Standard #1

alpha alpha alpha-Trifluorotoluene, Calibration (Surrogate) Standard, 0,0005, Solvent-CDCl3, Unit NMR tube, # of units-1, Cas.no. 98-08-8

o-Methylpodocarpic acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 10037-26-0

Trimethoprim, 100μg/mL in Acetonitrile, 1ml