EPA Method 8260B Internal Standard Back Catalog number: 22213 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678391 Dieldrin, 100 µg/ml, Acetonitrile, 5ml Price on request 683040 Acetamiprid-N-desmethyl, 100 µg/ml, Acetonitrile, Price on request 97660 Glycol Standard Price on request