EPA Method 508 Pesticide Mix Back Catalog number: 92248 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682390 Metronidazole-hydroxy, 100 µg/ml, Methanol, 1ml Price on request PFAC-MXC Native PFC Stock Solution, 2µg/ml in MeOH, 1,2ml Price on request 8483.19-500MG Metoprolol tartrate, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 56392-17-7 Price on request