EPA Method 515.2 Analytes - Underivatized Back Catalog number: 83597 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677939 Chlorpyrifos-methyl, 250mg Price on request 94725 4,4’-Oxydianiline Price on request 2516.16-100-ME Acetylsalicylsalicylic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 530-75-6 Price on request