EPA Method 617/8080/8250/8270 - Analytes Back Catalog number: 10313 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679116 D10-Parathion-ethyl, 100 µg/ml, Acetone, 1ml Price on request 32951 1,4-Difluorobenzene Price on request T-PFOS Potassium perfluorooctanesulfonate (Technical Grade), 1.2ml x 50ug/ml, methanol Price on request