CCME PAH Calibration Standard Back Catalog number: 60034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50793 Total Kjeldahl Nitrogen as N Price on request 8916.14-100-T 2-Methyl-3,3',4,4'-tetrachlorodiphenylmethane Price on request MPN-24 1,4,6-Trichloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request