COD Calibration Standard Back Catalog number: 51255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BB-75 2,4,4',6-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 11713.12-100-IO 2,2',3,4',6-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 55086 CWA Volatile Solids Price on request