EPA Method 8240A Calibration Check Compounds Back Catalog number: 82412 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MI513-045 Reagent kit for 45 tests (Free & total chlorine HR) Contains: 1 x 115 mL DPD0, 1 x 20mL DPD1, 1 x 20mL DPD3 Price on request 70181 Fenamiphos Price on request 8443.21-10MG 1-n-Octyl-2-phenylbenzmidazole, neat, Solvent-neat, Unit 10MG, # of units-7, Cas.no. 305347-15-3 Price on request