EPA Method 8260B Surrogate Standard Back Catalog number: 23112 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12070.12-250MG Sulfadimethoxine,neat,neat,250mg, Price on request 66204 PCB No. 204, 100µg/ml in Isooctane, 1ml Price on request 30421 Dinoseb methyl ether Price on request