2,2-Bis(4-hydroxy-13C6-phenyl)propane, 1.2ml x 50ug/ml, methanol

Imidacloprid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 105827-78-9

Irganox 245, 50mg

EPA Method 8260 - Surrogate Standard