EPA Method 8141 Standard Back Catalog number: 93595 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79424 sec-Butanol Price on request 673190 Aldicarb-sulfone, 10.0 µg/ml, Acetonitrile, 10ml Price on request DF-1234678-S 1,2,3,4,6,7,8-Heptachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request