EPA Method 507/525 Analytes Mix #2 Rev.1 Back Catalog number: 31083 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676971 Dimethenamid OA, 100 µg/ml, Acetonitrile, 1ml Price on request 54257 Phosphate (PO4-3) as P Price on request 70257 Propazine Price on request