EPA Method 548.1 Analyte Back Catalog number: 30177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11805.12-50-NN 2,8-Dichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request L-PFTRDS Sodium perfluoro-1-tridecanesulfonate, 50µg/ml MeOH, 1,2ml Price on request 11097.6-10MG 2,4-Dimethylpyrrole,neat,neat,10mg Price on request