PCB Congeners (10 ppm) Back Catalog number: 97819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95578 Denatured Fuel Ethanol Calibration Set Price on request 2810.4-50-ME Perfluorobutyric acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 375-22-4 Price on request S-4036-K-IOX5 3-Chlorothiophene in isooctane Units: 5x1mL ampoules Price on request