SDWA Total Residual Chlorine Back Catalog number: 55124 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1720.13-K-IO 2-n-Propylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2027-19-2 Price on request 79372 2,3,5,6-Tetrachloroanisole Price on request 11064.12-K-MEX2 2,6-Diisopropylphenol-d18,1000 µg/mL,MeOH,1mL, Price on request