EPA Method 526 Surrogate Standard Back Catalog number: 93187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9097 1,4-Dioxane Price on request 676730 4,4'-Diamino-3,3'-dimethyldiphenylmethane, 100mg Price on request 2980.7-100-AN Aldicarb sulfoxide Price on request