COD Calibration Standard Back Catalog number: 50241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50283 Anions Mix - ICA-DX-721 Price on request 53030 Spike Sample Standard 2C (Water) Price on request DD-124679-S 1,2,4,6,7,9-Hexachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane Price on request