EPA Method 548 Calibration Solution Back Catalog number: 30050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4965-100-ME Antipsychotic Mix 1, 100μg/ml in MeOH, 1ml Price on request 3378.14-100 Dicofol, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 115-32-2 Price on request 9021.12-K-AN 2-Nitrodiphenylamine, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 119-75-5 Price on request