EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677494 D6-Metalaxyl-M, 100 µg/ml, Acetonitrile, 1ml Price on request 674558 Fensulfothion, 100mg Price on request 61311 Dichlorofluoromethane Price on request