EPA Method 507 - Performance Check Solution

Fenitrothion, 100 µg/ml, Ethyl acetate, 5ml

X-ray contrast media mixture 100µg/mL each in methanol 8931.16 Iomeprol 8928.17 Iopamidol 8929.18 Iopromide 8933.11 Amidotriazoic acid

iso-Butyl benzyl phthalate (2-Methylpropyl benzyl phthalate), neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 72170-45-7