COD Calibration Standard Back Catalog number: 51255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79261 Pentachlorophenol Price on request 3354.10-100-AN 2,4-DB Price on request 2124.12-10-IO Arochlor 1016 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 12674-11-2 Price on request