WP & DMRQA Total Residual Chlorine Back Catalog number: 55062 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66118 PCB No. 118, 100µg/ml in Isooctane, 1ml Price on request 8241.18-50-IO 1-Nitrotriphenylene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 675750 Dicrotophos, 100 µg/ml, Ethyl acetate, 5ml Price on request