Phone: 952/831-2473 • Fax: 952/831-6550
P.O. Box 390266 • Edina, MN 55439

Key Words

A-C D-G H-P R-S T-Z
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

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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