EPA Method 8250/8250A Cal Check Cmpds Acids Back Catalog number: 82508 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C10655500 Bisphenol A, certified, 0.25g Price on request 0623.30-100-IO Lanostane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 474-20-4 Price on request 94728 4,4’-Diamino-3,3’-dimethyldiphenylmethane Price on request