EPA Method 608 Pesticides Back Catalog number: 81801 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678002 Prothiofos, 100 µg/ml, Toluene, 1ml Price on request 678943 Dinoterb, 10 µg/ml, Acetonitrile, 10ml Price on request R-016S 1-Nitronaphthalene, 100μg/ml in Toluene, 1ml Price on request