WP & DMRQA Total Residual Chlorine Back Catalog number: 55062 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2316.9-K-IO Diuron, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 330-54-1 Price on request 0389.14-K-IOX5 Phenanthrene-d10, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 1517-22-2 Price on request 677477 Triphenylmethane, 250mg Price on request