Calibration Standard Kit Back Catalog number: 53089 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C-002N 3-Chlorobiphenyl, 50mg Price on request N-12514-1G n-Butyl alcohol, 1g Price on request DF-1239-S 1,2,3,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request