BOD Calibraton Standard Back Catalog number: 54197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10168.27-K-IO Hexaethylene glycol mono(p-nonylphenyl) ether isomer mix, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 682328 Diheptyl phthalate (mixture of isomers), 1000mg Price on request 79255 2,4-D Price on request