EPA 1620 Standard 1 Back Catalog number: 52139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72665 Dichlofluanid Price on request 678104 Prothiofos, 100 µg/ml, Acetonitrile, 1ml Price on request MET-11755BM1-1ML Dimethenamid OA, 100µg/ml in MeOH, 1ml Price on request