EPA Method 622 / 8141 - Analytes Back Catalog number: 90378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98798 Pentachloroanisole Price on request L-PFOSK Potassium perfluoro-1-octanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 676181 Cycluron, 100 µg/ml, Ethyl acetate, 5ml Price on request