EPA Method 8081A Pesticides QC Mix Back Catalog number: 92280 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676232 Pyrazophos, 100 µg/ml, Methanol, 1ml Price on request 674976 Dazomet, 250mg Price on request 54010 Orthophosphate (as PO4) Price on request