Phone: 952/831-2473 • Fax: 952/831-6550
P.O. Box 390266 • Edina, MN 55439
Phone: 952/831-2473 • Fax: 952/831-6550
P.O. Box 390266 • Edina, MN 55439
| Air Make-up Units | Chlorination Equipment-Container Handling/Storage |
| Air Monitoring-Ambient | Chlorination Equipment-Containers/Weighing |
| Air Monitors-Open Path | Chlorination Equipment-Controllers |
| air permitting | Chlorination Equipment-Padding Systems |
| Air Pollution Control Equipment | Chlorination Equipment-Scrubbers |
| air quality | Chlorination Equipment-Shelters/Buildings |
| Air Quality Instrumentation-Analyzers | Chlorine Detectors |
| Air Quality Instrumentation-Monitors | Chlorine Detectors-Analyzers |
| Air Quality Instrumentation-Test Kits | Chlorine Detectors-Monitors |
| Air Sampling-Filters/Cassettes | Chromatography Supplies |
| Air Sampling-Pump Repair | Chromatography-Gas |
| Air Sampling-Pumps | Chromatography-GC/MS |
| Air Strippers | Chromatography-HPLC |
| Air Strippers/FRP-Stainless Steel/Carbon Steel Constructions | Chromatography-Ion |
| Air Velocity Meters | Chromatography-LC/MS |
| Air/Gas Cleaning Equipment | Chromatography-Liquid |
| air/stream stripping | Chromatography-Supplies |
| Alloys | Chromatography-TC/MS |
| alternative dispute resolution | Chromatography-Thin Layer |
| Amine Substituted Clays | chrome reduction |
| Ammonia Analyzers/Detectors | civil |
| Ammonium Perchlorate | Clamps-Pipe/Hose/Tubing |
| Analytical Instrument Applications-Air | Clarifiers |
| Analytical Instrument Applications-Hazardous Waste | Clarifiers Drive Unit |
| Analytical Instrument Applications-Wastewater | Clean Rooms/Supplies |
| Analytical Instrument Applications-Water | Cleaning Equipment/Supplies-Chemicals |
| Analytical Instruments-Atomic Absorption | Cleaning Equipment/Supplies-High Pressure Spray |
| Analytical Instruments-Catalytic | Cleaning Equipment/Supplies-Sandblasting |
| Analytical Instruments-Chemiluminescent | Cleaning Equipment/Supplies-Sewerline Maintenance |
| Analytical Instruments-Chromatographic | Cleaning Equipment/Supplies-Vacuum Systems, Mobile |
| Analytical Instruments-Conductimetic | Cleaning Equipment/Supplies-Vacuum Systems, Stationary |
| Analytical Instruments-Flame Ionization | Cleaning Services-Basins |
| Analytical Instruments-Fluorescence | Cleaning Services-Digesters |
| Analytical Instruments-Fuel Cell | Cleaning Services-Heat Exchangers |
| Analytical Instruments-GC/MS | Cleaning Services-Lagoons |
| Analytical Instruments-Infrared | Cleaning Services-Pits/Ponds |
| Analytical Instruments-Infrared/Photo Acoustic | Cleaning Services-Sewers |
| Analytical Instruments-Photoionization | Cleaning Services-Tanks |
| Analytical Instruments-Photometric | cleanup |
| Analytical Instruments-Spectrographic | Climbing Safety Devices |
| Analytical Instruments-Spectrometric | Coagulation-Control Instruments |
| Analytical Instruments-Spectrophotometric | Coagulation-Equipment |
| Analytical Instruments-Titration | Coatings/Lings-Epoxy |
| Analytical Instruments-Ultraviolet | Coatings/Linings-Asphalt/Tar |
| Analytical Instruments-X-Ray | Coatings/Linings-Cement/Mortar |
| Analytical Sample Preparation-Purge & Trap | Coatings/Linings-Ceramic |
| Analytical Sample Preparation-TCLP Extraction Equipment | Coatings/Linings-Epoxy |
| Analytical Sample Preparation-TCLP Extraction Supplies | Coatings/Linings-Galvanizing |
| Analytical Sample Preparation-Thermal Desorber | Coatings/Linings-Paint |
| Analytical Sample Preparation-Zero Headspace Extraction | Coatings/Linings-Plastic |
| Analyzers-Oxidation Reduction Potential | Coatings/Linings-Rubber |
| Anemometers | Coatings/Linings-Rust Converter/Primer |
| animal toxicity | Coatings/Linings-Vinyl Ester |
| Annunciators/Alarms | Cod Instrumentation |
| antifreeze recovery | Cod Test Kits |
| aquatic toxicity | Collector Pans |
| Aquatic Weed Controls-Chemicals | Colony Counters |
| Aquatic Weed Controls-Equipment | Colorimeters |
| aqueous organic | Combustible Gas Detectors |
| aqueous organic treatment | Combustion Control Instruments |
| archaeological investigations | commercial incineration |
| archaeologists | Comminutors/Grinders-Sewage |
| architects | Comminutors/Grinders-Sludge |
| asbestos | Compactors-Landfill |
| Asbestos-Destruction/Solidification/Stabilization | Compactors-Portable |
| Asbestos-Encapsulation Products | Compactors-Pre-Load |
| Asbestos-Removal Products | Compactors-Stationary |
| Asbestos-Removal Services | Compactors-Transfer Trucks |
| Asbestos-Testing/Consulting | Compost Equipment |
| Assay Preparation | Composting Systems |
| atterberg limit | compressed gases |
| Automatic Batching Systems-Chemicals/Polymers | Compressors-Air |
| Autothermal Thermophilic Aerobic Digestor | Compressors-Gas |
| Backflow Preventers | computer |
| Bacteria/Enzymes-Odor Control | Computer Controls-Analog |
| Bacteria/Enzymes-Sludge Reduction | Computer Controls-Digital |
| Bacteria/Enzymes-Toilet Treatment | Computer Controls-Hybrid |
| Bacteria/Enzymes-Wastewater Treatment | Computerizied Maintenance Management Software |
| Bacteriological Supplies-Counters | Concentrators-Oxygen |
| Bacteriological Supplies-Culture Media | Concentrators-Sludge |
| Bacteriological Supplies-Cultures | Condensation Equipment |
| Bag Rupture Detectors | Conductive Flooring-Epoxy |
| Baghouse Monitors | Conductivity Instrumentation-Controllers |
| Baghouses | Conductivity Instrumentation-Indicators/Recorders |
| Bailers | Conductivity Instrumentation-Sensors |
| Balances | Confined Space Entry-Access Equipment |
| Balefill | Confined Space Entry-Gas Detectors |
| Balers/Compactors | consolidation |
| Balers-Horizontal | construction |
| Balers-Metal | consulting |
| Balers-Two-Ram | container |
| Balers-Vertical | Containers-Bulk |
| Barriers-Vertical Subsurface-HDPE | Containers-Intermodal |
| base neutral fraction | Containers-Vacuum |
| Batching/Blending Systems-Emulsifiers | Containers-Watertight Rolloff |
| Batching/Blending Systems-Homogenizer | contaminated soils |
| Batching/Blending Systems-Proportioners | Continuous Components |
| Batching/Blending Systems-Reactors | Continuous Effluent Monitoring Systems |
| Bearings/Bushings | Continuous Emission Monitoring-Repair Services |
| bedrock classification | Continuous Emission Monitoring-Systems |
| Bentonites | Continuous Emission Monitoring-Testing Services |
| Bin Dischargers | Continuous Emission Monitoring-Training |
| Bin Vent | Controllers-Pacing Valves |
| Bins/Hoppers | Conveyors-Accessories |
| Bioassay-Monitors | Conveyors-Belt |
| Bioassay-Testing Equipment | Conveyors-Bucket Elevator |
| Biological Testing Apparatus/Supplies | Conveyors-Drag |
| biological treatmentt | Conveyors-Flight |
| biologists | Conveyors-Fly Ash |
| Bioreactors | Conveyors-Metal Apron Pan |
| bioremediation | Conveyors-Pneumatic |
| Bioremediation Equipment | Conveyors-Screw |
| Bioremediation Services | Cooling Tower Water-Blowdown Treatment |
| Bioventing Equipment | Cooling Tower Water-Feedwater Treatment |
| Bioventing Services | Cooling Tower Water-Filtration Systems |
| Blowers | Cooling Towers-Dry |
| Blowers-Gas Tight | Cooling Towers-Wet |
| Blowers-Positive Displacement Packages | Cooling Towers-Wet/Dry |
| Blowers-Positive Displacement Rotary Lobe | Copper Reclaimers |
| Blowers-Vacuum | Core Samplers |
| Bod Meter | Corrosion Eliminators |
| Bod Testing Equipment-Analyzers | Corrosion Instrumentation |
| Bod Testing Equipment-Bottles/Apparatus | Corrosion Protection-Coupons/Probes |
| Bod Testing Equipment-Incubators | Corrosion Protection-Inhibitors |
| Bod Testing Equipment-Monitors | Corrosion Protection-Linings/Coatings |
| Boiler Feedwater Treatment Equipment | corrosion resistance |
| Boilers | Corrosion Resistant Houses-Composite |
| botanists | Corrosion Resistant Houses-Fiberglass |
| Breathing Air Systems | corrosivity |
| brownfield development | Couplings |
| bulk storage tank | Covers/Domes-Fixed |
| Burners | Covers/Domes-Floating |
| CAD designers | Crushers/Recyclers-Aerosol Cans |
| Calibration Columns | Crushers/Recyclers-Drums |
| Calibration-Equipment | Crushers/Recyclers-Oil Filters |
| Calibration-Gases | Crushers/Recyclers-Paint Cans |
| Calibration-Permeation Devices | Crushers-Aerosol Cans |
| Calibration-Turbidity Standards | Crushers-Bottle/Tube |
| Calibrators-Air Instrumentation | Crushers-Drums |
| Calibrators-Gas Detectors | Crushers-Lumps |
| Calibrators-Personal Samplers | Crushers-Oil Filters |
| Calibrators-Radionuclide | Crushers-Paint Cans |
| Calibrators-Vibration Instruments | Crushers-Vial |
| Calorimeters | cyanide destruction |
| Canister Cleaning Systems | cyanide destruction |
| carbon adsorption | Cyclones-Air Cleaning |
| Cyclones-Sampling |
| Dampers | Extractor-Oil/Sorbents |
| Data Acquisition Equipment-Automatic Dialing Systems | Extractor-Roller System |
| Data Acquisition Equipment-Display Systems | Fabricated Metal Products-Doors |
| Data Acquisition Equipment-Loggers | Fabricated Metal Products-Expanded/Perforated Metals |
| Data Acquisition Equipment-Microcomputers | Fabricated Metal Products-Gratings |
| Data Acquisition Equipment-Modems | Fabricated Metal Products-Railings |
| Data Acquisition Equipment-Process Controls | Fabricated Metal Products-Tank Heads |
| Data Acquisition Equipment-SCADA | Fabricated Metal Products-Textured/Patterned Metals |
| Data Acquisition Equipment-Telemetry Systems | Fabricated Plastics |
| Data Aquisition and Handling System Software | facility closure |
| Data Aquisition Equipment-Mechanical Seal Monitoring | Fan Repair/Rebuilding |
| Data Handling Software-Treatment Plant | Fans |
| Deaerators/Degasifiers | Feed Equipment-Gas |
| Dechlorination Equipment | Feeders-Dry |
| decommissioning | Feeders-Wet |
| Decontamination Trailers | Feedwater Treatment Equipment |
| Deep Well Systems-New Well Construction | Fiber Monitors/Counters-Asbestos |
| Deep Well Systems-Remedial Well Work Over | Fiber Monitors/Counters-Glass |
| Deep Well Systems-UIC Permitting | Fiber Monitors/Counters-Mineral |
| Deep Well Systems-Well Integrity Testing | Fiberglass Products-Doors |
| deepwell/underground injection | Fiberglass Products-Fabricated Products |
| Defoaming/Degreasing Equipment | Fiberglass Products-Fans |
| Degritting Equipment | Fiberglass Products-Gratings |
| Dehumidifiers | Fiberglass Products-Materials |
| Dehumidifiers-Industrial/Desiccant | Fiberglass Products-Railings |
| Deionizers | Fiberglass Products-Structural Shapes |
| Demineralizers | Fiberglass Products-Structures |
| DeNOx | field technicians |
| Density Instrumentation-Controllers | Field/Portable-Inorganic Analyzer |
| Density Instrumentation-Indicators | Filter Accessories-Agitators/Shakers/Rappers |
| Density Instrumentation-Sensors | Filter Accessories-Bottoms |
| Desalination Equipment | Filter Accessories-Covers |
| Desiccant Dehumidifier | Filter Accessories-Dryers |
| Detergents/Cleaners-Membrane | Filter Accessories-Samplers |
| dewatering | Filter Accessories-Scrapers |
| Dewatering Equipment | Filter Distribution Equipment |
| Dewatering Services | Filter Holders/Housings-Bag Cages |
| Dialers-Automatic | Filter Holders/Housings-Cartridges |
| Diffusers | Filter Holders/Housings-Panels |
| Digesters-Laboratory | Filter Media-Air/Activated Carbon |
| Digesters-Water/Wastewater Treatment | Filter Media-Air/Fiberglass |
| Dioxin Surrogates-Analyzers and Detectors | Filter Media-Air/Metallic Fiber |
| direct shear moisture content and density | Filter Media-Air/Natural Fiber |
| Disinfection Equipment-Water/Wastewater-Fluoridators | Filter Media-Air/Paper |
| Disinfection Equipment-Water/Wastewater-Hypo-Chlorinators | Filter Media-Air/Plastic |
| Disinfection Equipment-Water/Wastewater-Ozonators | Filter Media-Air/Synthetic Fiber |
| Disinfection Equipment-Water/Wastewater-Ultraviolet | Filter Media-Air/Wire Cloth |
| Dissolved Air Flotation | Filter Media-Liquid/Activated Carbon |
| Dissolved Oxygen Detectors-Analyzers | Filter Media-Liquid/Anthracite |
| Dissolved Oxygen Detectors-Monitors | Filter Media-Liquid/Diatomaceous Earth |
| Dissolved Solids Detectors-Analyzers | Filter Media-Liquid/Fiberglass |
| Dissolved Solids Detectors-Monitors | Filter Media-Liquid/Metallic Fiber |
| distillation | Filter Media-Liquid/Natural Fiber |
| Distillation Equipment | Filter Media-Liquid/Paper |
| Diverters | Filter Media-Liquid/Plastic |
| Dosimeters Personal/Area-Mercury | Filter Media-Liquid/Sand/Gravel |
| Dosimeters Personal/Area-Noise | Filter Media-Liquid/Synthetic Fiber |
| Dosimeters Personal/Area-Radiation | Filter Media-Liquid/Wire Cloth |
| Dosimeters Personal/Area-Toxic Gas | Filter Media-Porous Metal |
| Dosimeters-Direct Read | Filter Presses |
| Dosimeters-ETO | Filters/Air- HEPA |
| Dosimeters-Glutaraldehyde | Filters/Air-Bags |
| Dosimeters-Hydrogen Peroxide | Filters/Air-Cartridges |
| Dosimeters-MEK | Filters/Air-Compressed Air |
| Dosimeters-Xylene | Filters/Air-Panels |
| Dosing Siphons | Filters/Liquid-Bags |
| Double Screens-Horizontal | Filters/Liquid-Belts |
| Double Screens-Vertical | Filters/Liquid-Cartridges |
| drafters/designers | Filters/Liquid-Disks |
| Drainage Net-Geogrid | Filters/Liquid-Gravity |
| Dredges | Filters/Liquid-Leaf |
| drillers | Filters/Liquid-Membranes |
| drinking water | Filters/Liquid-Panels |
| Drives | Filters/Liquid-Plates |
| Drum Handling-Cleaning Equipment | Filters/Liquid-Pressure |
| Drum Handling-Crushers/Compactors | Filters/Liquids-Deep-Bed |
| Drum Handling-Handling Equipment | Filters/Liquid-Trickling |
| Drum Handling-Remote Openers | Filters/Liquid-Vacuum |
| Drum Shredding-Fiber | Filters/Sampling-Borosillicate Glass |
| Drum Shredding-Plastic | Filters/Sampling-Paper |
| Drum Shredding-Steel | Filters/Sampling-Quartz |
| Drums-Fiber | Filters/Sampling-Teflon |
| Drums-Plastic | Filters/Sampling-Teflon Coated Glass |
| Drums-Salvage/Overpack | Filters/Water/Wastewater-Traveling Bridges |
| Drums-Steel | Filters-Diatomaceous Earth |
| Dry Disconnect-316 S.S. | Filters-Drinking Water |
| Dry Disconnect-Polypropylene | Filters-Dual Stage Sample |
| Dry Media Blasters | Filters-Sanitary Steam |
| Dry Scrubbers | Filters-Sterile Compressed Air |
| Drying Equipment-Compressed Air | Filtration Systems-Air/Gas |
| Drying Equipment-Dehumidifiers | Filtration Systems-Grease |
| Drying Equipment-Desiccants | Filtration Systems-Liquid |
| Drying Equipment-Flashes | Filtration Systems-Oil/Water |
| Drying Equipment-Ovens | Filtration Systems-Smoke/Fume |
| Drying Equipment-Rotary | Filtration Systems-Vapor |
| Drying Equipment-Solids Dryers | Filtration Systems-Water |
| Drying Equipment-Sprayers | Fittings |
| Drying Equipment-Vacuums | Flame Arrestors |
| Ducts/Stacks/Chimneys-Brick/Cement/Refractory | Flares-Stack |
| Ducts/Stacks/Chimneys-Metal | Floating Baffles |
| Ducts/Stacks/Chimneys-Plastic | Floating/Pontoons |
| Dust Collector Accessories/Supplies | Floor Coatings-Epoxy |
| Dust Collector Controls | Floor Coatings-Static Dissipative |
| Dust Collectors-Cartridge | Floor Coatings-Vinyl Ester |
| Dust Collectors-Centrifugal | Flotation Equipment-Coagulation |
| Dust Collectors-Electrostatic | Flotation Equipment-Dissolved Air |
| Dust Collectors-Fabric | Flotation Equipment-Electro |
| Dust Collectors-Impingement | Flotation Equipment-Floccuation |
| Dust Collectors-Mechanical | Flotation Equipment-Induced Air |
| Dust Collectors-Reverse Pulse Cartridges | Flotation Equipment-Sparged Air |
| Dust Contol-FlyAsh-Tailings | Flow Calculators |
| Dust Control-Chemical | Flow Instrumentation Air/Gas-Controllers |
| Dust Control-Foam | Flow Instrumentation Air/Gas-Indicators/Recorders/Secondary Elements |
| Dust Control-Foam Suppresion | Flow Instrumentation Air/Gas-Sensors/Primary Elements |
| Dust Control-Fugitive Emissions | Flow Instrumentation Closed Pipe-Controllers |
| Dust Control-Mats | Flow Instrumentation Closed Pipe-Indicators/Recorders/Secondary Elements |
| Dust Control-pm10 | Flow Instrumentation Closed Pipe-Sensors/Primary Elements |
| Dust Control-Water Spray System | Flow Instrumentation Open Channel-Controllers |
| Dust Control-Wind Screen | Flow Instrumentation Open Channel-Indicators/Recorders/Secondary Elements |
| Dust Discharge Valves-Double Dump | Flow Instrumentation Open Channel-Sensors/Primary Elements |
| Dust Discharge Valves-Rotary | Flow Meters/Variable Area-Air |
| Dust Discharge Valves-Vacuum/Dribbler | Flow Meters/Variable Area-Liquid |
| Dust Free Work Stations | Flow Meters-Liquid |
| Dust/Fume Control-Collectors | Flow Meters-Mass |
| Dust/Fume Control-Fans | Flow Totalizers |
| Dust/Fume Control-Filters | Flue Gas Conditioning |
| Dust/Fume Control-Hoods | Flue Gas Desulfurization |
| Dust/Fume Control-Scrubbers | Fluid Flow Switches |
| Earth Science Instrumentation-Data Loggers | Flumes/Weirs |
| Earth Science Instrumentation-Flowmeters | Flushing/Cleaning Equipment-Digester Tanks |
| Earth Science Instrumentation-Groundwater | Flushing/Cleaning Equipment-Pipes |
| Earth Science Instrumentation-Levels | Flushing/Cleaning Equipment-Sewers |
| Earth Science Instrumentation-Meteorological | Flushing/Cleaning Equipment-Water Bodies |
| Earth Science Instrumentation-Recorders | Fly Ash Recovery/Treatment Systems |
| Earth Science Instrumentation-Samplers/Air | Forks |
| Earth Science Instrumentation-Samplers/Water | fractionation |
| Earth Science Instrumentation-Speed/Direction-Air | Freeze Protection |
| Earth Science Instrumentation-Speed/Direction-Water | fuel blending |
| Earth Science Instrumentation-Temperature | Fuel Blending Systems |
| Earth Science Instrumentation-Underwater Instruments | Fuel Flow Measurement-Ultra Flow |
| Earth Science Instrumentation-Water Quality | Fuel Flow Measurement-Zero Pressure |
| ecological/biological consulting | Fuel Transfer Hoses-Thermoplastic |
| ecologists | Fume Destruction/Incineration-Catalytic |
| economists | Fume Destruction/Incineration-Direct Flame |
| Electric Phase Converters | Fume Destruction/Incineration-Heat Recovery |
| electrical engineers | Fume Destruction/Incineration-Regenerative |
| Electrodes-Combination | Fume Exhaust Systems |
| Electrodes-pH | Fume Hoods |
| Electrodes-Specific Ion | Fume Hoods Testing-Equipment |
| Electronic Stroke Adjustment | Fume Hoods Testing-Services |
| Electrostatic Precipitator Supplies/Accessories | Furnace Smelters |
| Electrostatic Precipitators | Gas Chromatograph-Portable |
| Elevators-Equipment/Instruments | Gas Cooling Equipment-Evaporative |
| Elevators-Personnel | Gas Cooling Equipment-Radiant |
| emergency spill response | Gas Detectors-Acid Gases |
| Emergency Spill Response-Equipment | Gas Detectors-Combustible |
| Emergency Spill Response-Training | Gas Detectors-Solvent Vapor |
| Emission Testing & Monitoring-Equipment | Gas Detectors-Stack Emissions |
| Emission Testing & Monitoring-Training | Gas Detectors-Toxic |
| Enclosures Instrument/Valve-Cabinets | Gas Detectors-Tracer |
| Enclosures Instrument/Valve-Cases | Gas Handling Equipment |
| Enclosures Instrument/Valve-Curb Boxes | Gas Sample Conditioning-Chillers/Condensors |
| Enclosures Instrument/Valve-Explosion-Proof Housings | Gas Sample Conditioning-Heated Filters |
| Enclosures Instrument/Valve-Panels | Gas Sources/Supplies-Generators |
| Enclosures Instrument/Valve-Valves/Pumps | Gas Sources/Supplies-Mixtures |
| Enclosures Instrument/Valve-Weatherproof Housing | Gas Storage Equipment |
| Enclosures/Structural-Electrical | Gas/Vapor Monitors-Detector Tubes |
| Enclosures/Structural-Equipment Shelters | Gas/Vapor Monitors-Dosimeter Tubes |
| Enclosures/Structural-Hazardous Materials | Gas/Vapor Monitors-Hydrocarbons |
| Enclosures/Structural-Personnel | Gas/Vapor Monitors-Organic Vapors |
| Enclosures/Structural-Pond/Bed | Gas/Vapor Monitors-Sampling Bags |
| Enclosures/Structural-Reservoir/Pond/Lagoon | Gas/Vapor Monitors-Solvent Vapors |
| Enclosures/Structural-Tank/Digester | Gasket/Packing/Seals |
| energy recovery - liquids | Generators-Aerosol/Smoke |
| energy recovery - sludges | Generators-Chlorine |
| energy recovery - solids |