EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683837 Metalaxyl-M, 100 µg/ml, Acetonitrile, 1ml Price on request 0981.28-10-IO d2 C27/C28 Triaromatic Sterane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. -/205529-81-3 Price on request S-4814-05-AN MIX 11 13c Aflatoxins Price on request