EPA Method 548 Calibration Solution Back Catalog number: 30050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0563.30-2MG 18ß(H)-Olean-12-en-3-one, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 638-97-1 Price on request 3446.16-100 o,p'-Methoxychlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 30667-99-3 Price on request 30027 EPA Method 525 - Pesticide Standard Price on request