EPA 8240B Calibration Standard Back Catalog number: 98430 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52097 Alternate Metals 2 Price on request 8393.6-K-TF Levoglucosan, 1000µg/mL, Solvent-Tetrahydrofuran, Unit 1mL, # of units-1, Cas.no. 498-07-7 Price on request FDEA 2-Perfluorodecyl ethanoic acid (10:2), 1.2ml x 50ug/ml, isopropanol Price on request