PCDD/PCDF/PCB Calibration Kit, 7 x 200ul, nonane Back Catalog number: DFP-CVS-B10 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 30044 EPA Method 515.1Methyl Derivatives Price on request 50464 Ammonia as N Price on request 79493 Perfluoroheptanoic acid Price on request