BOD Calibraton Standard Back Catalog number: 50242 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79197 2,4,5-T Price on request 679700 D5-Dinitolmide, 10mg Price on request DF-2348-S 2,3,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request