EPA Method 8040 - Surrogate Standard Back Catalog number: 80403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96386 Difenoconazole, 100µg/ml in Acetonitrile, 1ml Price on request 63200 2,2',3,3',4,5,6,6'-Octachlorobiphenyl (200) Price on request 57481 Thallium (Tl) Price on request