EPA Method 8330 Analyte Back Catalog number: 79079 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L-PFOSK Potassium perfluoro-1-octanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 92991 Chlorinated Organics Standard Price on request 679839 TCEP, 100 µg/ml, Methanol, 5ml Price on request