EPA Method 617/8080/8250/8270 - Analytes Back Catalog number: 10113 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673291 Fenthion, 100 µg/ml, Acetonitrile, 5ml Price on request 52041 Interference Standard 4 Price on request 681469 D5-Chlorobenzene, 10.0 µg/ml, Methanol, 10ml Price on request