EPA Method 8060 QC Check Solution Back Catalog number: 80612 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 20291 Chlorothalonil Metabolite R417888-13C2,15N2 sodium salt, 2,5mg Price on request 83511 EPA Method 8150A - Herbicide Methyl Esters Price on request 66050 PCB No. 50, 100µg/ml in Isooctane, 1ml Price on request