GFAA Initial Calibration Verification Back Catalog number: 52315 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DFP-LCS-A Mass-Labelled PCDD/PCDF/PCB Solution/Mixture, 1.2ml, nonane Price on request 677936 D12-Benzo[a]pyrene, 100 µg/ml, Cyclohexane, 1ml Price on request 71581 2,3,4,6-Tetrachlorophenol-PFB derivative Price on request