EPA Method 8330 Analyte Back Catalog number: 79070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L-PFHPS Sodium perfluoro-1-heptanesulfonate, 1.2ml x 50ug/ml, methanol Price on request MDD-12378 1,2,3,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request 53088 QC Standard 5 Price on request