EPA Method 8140/8141 Analytes Back Catalog number: 81400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93996 Benzo(k)fluoranthene Price on request 688861 Quinoxyfen, 100μg/ml in Acetonitrile, 5ml Price on request 673283 Fenazaquin, 100 µg/ml, Acetonitrile, 5ml Price on request