EPA Method 8260B Surrogate Standard Back Catalog number: 23012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72500 2-Bromo-4’-chloroacetophenone Price on request 9335.17-100-IO Acetyl cedrene , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 32388-55-9 Price on request 54124 Total Residual Free Chlorine (Cl) Price on request