Total Residual Free Chlorine (Cl) Back Catalog number: 59427 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678322 2-Propanol, 5ml Price on request 30053 EPA Method 552 Haloacetic acids Price on request 1083.24-K-IO n-Octadecylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4445-07-2 Price on request