BUTLER ENGINEERING ASSOCIATES, INC.
031-03124 Controls, Cooling Tower Water Treatment: Ph, Conductivity, Corrosion Sensors | 031-03127 Cooling Tower Water Treatment: Non-Chemical Ozone, Centrifugal Separators, Magnetic Descaling Equip. (See Class 885 For Chemical Types) | 885-88500 Water And Wastewater Treating Chemicals | 885-88508 Activated Carbon And Filter Elements | 885-88515 ALGAE AND MICROBE CONTROL CHEMICALS, COPPER SULFATE, ETC. (INACTIVE, PLEASE SEE COMMODITY CODE 885-16 EFFECTIVE JANUARY 1, 2016) | 885-88516 ALGAE AND MICROBE CONTROL CHEMICALS, AIR CONDITIONING AND COOLING WATER | 885-88531 BIOLOGICAL MAINTAINERS, BACTERIA, ENZYMES, ETC. | 885-88532 Boiler Water Chemical Treating Compounds | 885-88548 Descaling Compounds | 885-88570 HARDNESS CONTROL CHEMICALS: CHELATING AGENTS, PHOSPHONATES, POLYPHOSPHATES, POLYMER FLOCCULANTS, ETC. | 885-88579 REAGENTS, BUFFER, WATER TREATMENT | 885-88594 Water Treating Chemicals (Not Otherwise Classified) | 890-89015 Complete Water Treatment Systems, Chemical | C-00200 CATHODIC PROTECTION