EPA Method 552,552.1,552.2 Internal Std Back Catalog number: 30105 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680108 Dimethoate, 100mg Price on request 676469 Aniline, 1ml Price on request 3582.29-10MG 24-Ethyl-5ß(H)-cholestan-3 alpha-ol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 5060-24-2 Price on request