EPA Method 527 Surrogate Standard Back Catalog number: 95053 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676306 Penicillin V potassium salt, 100mg Price on request 9324.33-5UG (22RS)-30-Trishomohop-17(21)-ene, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. Price on request AE-00049-R1-10X Carcinogenic Aryl Amine Mix, 100µg/mL in Ethyl acetate, 1ml Price on request