SDWA Total Residual Chlorine Back Catalog number: 55124 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0630.21-K-IO 2,6,10,14-Tetramethylheptadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 18344-37-1 Price on request 684281 D3-Acetamiprid, 100 µg/ml, Acetonitrile, 1ml Price on request 71097 Methamidophos, 1000µg/ml in MeOH, 1ml Price on request