EPA Method 528 Internal Standard Back Catalog number: 93188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3329.12-100 Carbaryl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 63-25-2 Price on request 9286.25-25MG Quinapril hydrochloride, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 82586-55-8 Price on request 15900-2684-10AN1 epsilon-HCH, 10μg/ml in Acetonitrile, 1ml Price on request