EPA Method 200.8Mix Back Catalog number: 59109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C-157N 2,3,3',4,4',5'-Hexachlorobiphenyl, 5mg Price on request 675584 Thiofanox-sulfoxide, 100 µg/ml, Acetonitrile, 5m Price on request 685756 Phosmet-oxon, 100µg/ml in Acetonitrile, 1ml Price on request