| A. P. Buck Inc.: Air sampling equipment for industrial hygiene, safety, environmental and occupational health. |
| ActiveSET.org: Paid advertising directory for air-quality products and services including stack testing with useful links to related information. |
| ADC Gas Analysis Ltd.: Supply and manufacture infrared gas analysis equipment for use in: laboratory, emissions control, industrial process control. Full spares and service support. |
| AES Laboratoire: Air sampler to monitor microbial airborne contamination with full traceability and CFR 21 part 11 compatibility. |
| Air Instruments and Measurements: Developer of gas analyzers and complete systems for environmental monitoring, ambient air, vehicle exhaust and stack gas emissions. |
| Air Logics, Llc.: Real-time perimeter monitors of volatile and particulate airborne substances with integrated data management and reporting. |
| Airmetrics: Provides solutions to ambient air monitoring problems through the manufacturing and support of the MiniVol Portable Air Sampler. |
| American Ecotech: Supplier of ambient air samplers used for indoor and outdoor research and monitoring purposes. Continuous pollutant and gas analyzers and calibrators for SO2, NOx, CO, CO2, H2S, O3 and particulate monitoring air samplers. |
| Analytical Systems International: Manufacturer of analyzers, sensors and monitors for air quality, petrochemical gas processing, and environmental industries including hydrocarbon, VOC and total sulfur. |
| Apex Instruments, Inc.: Seller of equipment for sampling emissions from industrial chimneys and smoke stacks using the US-EPA guidelines. Customize equipment for isokinetic, gas and particulate sampling. |
| Applied Physics, Inc.: Supplier of cascade impactors and air samplers. |
| Aquaria s.r.l.: Products and accessories for sampling and analysis requirements in air quality, emission monitoring and working area control fields. |
| Ashutosh Overseas Enterprises: Distributors/importers of oxygen and other gas analytical instruments and oxygen sensors including PPM (trace) and percentage oxygen sensors. |
| Bitt Technology: Manufacturer of systems for measurement of airborne environmental radiation. Offers planning, construction, maintenance and training for these systems. |
| BPA Air Quality Solutions: Suppliers of laser particle counters, mold testing kits, hygrometers, temperature sensors and multi-gas monitors with ratings and reviews of several different models. |
| Brunswick Instrumentation: Consultants on quality of instrumentation used for measuring emissions from process plants, oil refineries, and power stations. Europe and North America. |
| California Analytical Instruments, Inc.: Provide ambient monitoring and sensing equipment, and gas analyzers for industrial and automotive emissions measurement, environmental source emission measurements and production efficiency controls. |
| California Measurements, Inc.: Air particle and particulate sampling instruments for research and contamination control. |
| Cascade Technologies: Developer and manufacturer of quantum cascade lasers for gas sensing and other applications. Real time measurement, parts per trillion, room temperature operation. |
| CBISS Stack Gas Monitor Systems: Supplier of turnkey stack gas monitor solutions for gas analysis and flow detection including gas turbine and cogeneration systems. |
| Cerex Environmental Services, Inc.: Provider of instruments and field support for air monitoring. Systems can detect air pollutants such as benzene, mercury, sulfur dioxide, ammonia and chemical agents on a real time basis. |
| Clean Air Instrument Rental: Provider of rental equipment for air monitoring and sampling. |
| CleanAir Express: Air pollution measurement equipment and supplies. Equipment is engineered for reliability and ease of use. |
| Custom Instrumentation Services Corporation: Designer and builder of continuous emission monitoring systems (CEMS) for stationary point facilities. |
| Dekati Ltd: Manufacturer of impactor aerosol samplers for atmospheric and pharmaceutical applications. |
| DKK-TOA Europe: Suppliers of on-line process analyzers, sampling systems and turn-key systems packages, including: analyzers for water treatment and sewage plants, ambient air pollution monitoring (EPA approved), environmental monitoring, analyzers for oil-refineries and petrochemical plants. |
| DR DAS: Provider of air quality, emissions and meteorological data acquisition and management software and equipment. |
| Dynoptic Systems Ltd.: Opacity and particulate monitors and sensors measuring mg/m3, opacity percentage, Ringleman, and MOR, for incinerators, crematoria, power stations, furnaces, cement processing, air filtration plants. |
| Eagle Technologies Ltd.: Designer, manufacturer and operator of air quality monitoring systems designed for use in the oil and gas industry to monitor gas emissions. |
| Eco Physics: Products for measuring nitrogen oxides by the chemiluminescence technique. |
| EcoChem Analytics: Seller of instrumentation and systems for measuring mercury, CO, CO2, HCl, SO2, H2O, PAH. Applications are described and technical citations are provided. |
| Entech Instruments: Manufacturer of canister-based air sampling and analysis equipment for VOCs for industrial hygiene, indoor air, health and environmental markets. |
| Envco The Environmental Collective: An association of cooperating professionals and companies, product list includes air sampling and air quality instruments. |
| Enviro Technology Services plc: Environmental monitoring instrumentation for gases, particulates and meteorological parameters. Offers environmental instrument rental, environmental software, systems operation, service and maintenance. |
| Environmental Mechanics, Inc.: Equipment sales and service facility for air and water sampling equipment. Battery pack rebuilding. |
| Environmental Monitor Service, Inc.: Seller of opacity monitors, compliant opacity systems, non-compliant opacity monitors, opacity DAS, opacity audit filters. |
| Environmental Monitoring Company, Inc. (EMC): Manufacturer of PC-based data acquisition systems for ambient air quality, continuous emission monitoring, and meteorological monitoring. |
| Environmental Systems Corporation: Designs, integrates and maintains stack emissions and ambient air quality monitors and data acquisition systems. |
| Environnement S.A: Global supplier specializing in the design, manufacture, and supply of gas and particulate ambient-air and stack emission instrumentation, and water monitoring equipment and systems. |
| ET Marine: Emissions monitoring equipment for the maritime industry. Supply, installation, training and after-sales support of a range of emissions monitoring equipment and systems for emissions from shipping. |
| FilterSense: Particulate emission monitoring and dust collector automation solutions for process control, maintenance reduction and EPA MACT compliance. |
| GrayWolf Sensing Solutions: Supplier of software for Microsoft Pocket PCs and laptop computers to monitor indoor air quality, air speed and toxic gases when used with instruments from other manufacturers. |
| Horiba Instruments, Inc.: Manufacturer and supplier of CEMS, ambient, and process gas instrumentation. |
| IN USA, Inc.: Ozone analyzers, monitors, and controllers for gas-phase or liquid-phase process ozone, ozone safety (TLV), ozone leak detection, ozone generators, and ozone monitoring and delivery systems. |
| J.U.M. Engineering: Manufacturer of heated FID analyzers for the measurement of hydrocarbons and non-methane hydrocarbons, and oil in water monitors, aerosol-can leak detectors. |
| JS Holdings: Suppliers of environmental monitoring instrumentation, asbestos sampling devices, and humidity meters. |
| K2BW Environmental Equipment: Manufacturer of Continuous Emissions Monitoring Systems (CEMS) for air emissions, gas sampling system components, and atmospheric corrosion test systems. Service, maintenance, rentals, and buy/sell used instruments. |
| Lowe Engineering: Provider of continuous emission monitoring systems, gas analysers and gas detection systems. |
| Madur Electronics: Producer of flue gas analyzers and NDIR infrared sensors for diffusion and flow measurement of carbon dioxide and methane for indoor climate control and biogas applications. |
| Markes International Ltd: Manufacturer of analytical instrumentation for measurement of trace-level volatile and semi-volatile organic chemicals (VOCs and SVOCs) in samples. |
| McKinney Measurement: Gas-measurement equipment for oil field applications - individualized kits for meter tubes, orifice plates, leveling saddles, Barton meters. |
| Met One Inc.: Manufacturer of particulate (indoor & outdoor) monitors, dataloggers,and systems for air quality monitoring. |
| Mission Instruments: Markets Cegrit Flyash Sampler that extracts an ash sample from chimney ducts for laboratory analysis. Used on pulverized-coal-fired boilers. |
| Monitor Labs: Supplier of opacity monitors, flow and particulate monitors, air quality monitors for CO, CO2, NOx, SO2,& ozone, continuous-emissions monitoring, data acquisition systems and system support. |
| Monitoring Solutions Inc.: Continuous emissions monitoring systems (CEMS) and services including: CEMS, opacity, oxygen analyzers, data acquisition systems (DAS), and stack services from maintenance to audits and RATA's. |
| MSI CEMS Systems: Manufacturer of continuous emission monitoring systems, for industries including utilities, pulp and paper, incinerators, and petrochemicals. |
| MSP Corporation: Air sampling instruments and impactors. |
| Oldham: Manufacturer of gas and dust emission monitors. |
| Omega Specialty Instrument Co.: Manufacturer and distributor of air sampling filters and related equipment for industrial hygiene, safety, environmental and indoor air quality applications. |
| PACE Environmental Products, Inc.: Continious emissions monitoring design, building, testing, and repair. |
| Pacwill Environmental: Supplier of equipment for environmental testing needs including: source and ambient sampling, continuous emissions monitoring, cascade impactors, and air quality monitoring systems. |
| PCME Particulate Monitoring Technologies (UK): Provider of particle and continuous-emissions monitoring technologies. TuV and MCERTS instrumentation and products. |
| Phoenix Instruments: Manufacturer of LED opacity monitors, CEMS for SO2, NOX, CO, and CO2, for environmental monitoring of smoke stack emissions. Monitors are EPA certified. |
| PIXE International Corporation: Manufactures air-particulate samplers - continuous time-sequenced PM2.5 + PM10 Streakers and cascade impactors suitable for PIXE, XRF, SEM, and other elemental analysis techniques. |
| RADeCO, Inc.: Manufacturer of air sampling equipment for industrial, medical, nuclear and laboratory uses. Featuring grab samplers and constant flow air samplers, calibration and emergency response equipment. Silver zeolite and TEDA treated radioiodine sampling cartridges as well as particulate filter paper. |
| Raymetrics S.A.: Designs and manufactures products for meteorological and environmental applications and air pollution monitoring, based on advanced Lidar techniques. |
| Rosemount Analytical - Process Gas Division: Supplier of CEM systems, process gas, process liquid and laboratory analyzers and systems for environmental analysis, efficiency, and process evaluation. |
| Sartec: Environmental monitoring and analysis for water, petrochemical, pharmaceutical and lab services markets. |
| SASSCO: Supplier of Tedlar, black tedlar, and Teflon gas sample bags. |
| ScanTronic of Denmark: Producer of electronic equipment for combustion optimizing. Products include: opacity-based dust instrumentation, oxygen meters, zirconia cells, trim control systems, and flue-gas analysers. |
| Signal Group Limited: Manufacturers of gas analysers, accessories and systems for air quality ,monitoring, continuous emissions monitoring, R&D (combustion and other), automotive emissions, and process gas monitoring. |
| SKC Gulf Coast Inc.: Distributor air sampling equipment for the industrial hygiene, safety, environmental and occupational health markets including sample pumps, constant flow samplers, calibrators, gas sample bags, and VOC-sampling canisters. |
| SKC Inc.: Manufacturer of air sampling equipment for the industrial hygiene, safety, environmental and occupational health markets. Sample pumps, constant flow samplers, calibrators, gas sample bags, and VOC-sampling canisters. |
| Thermo Andersen Instruments: Manufacturer of source and ambient particulate samplers, industry standard particle sizing impactors, EPA reference method PM2.5 and PM10 monitors and continuous mass monitors. |
| Thomson Environmental Systems: Offers environmental monitoring equipment for primarily air, ambient, stack and process dust, throughout Australia. |
| Title40 Data Systems: Reseller and integrator of environmental data acquisition and monitoring systems including data loggers and central data management systems for air emissions monitoring. |
| Trace Analytical: Manufactures gas analyzers, sampling accessories and integrated analytical monitoring systems for H2, CO, ethylene and ethylene oxide for laboratory and industrial process applications. |
| Tutorial: Use of flue gas analysers for stack monitoring: How modern, electronic flue gas analysers are used for measurement of pollutants and adjustment of burner systems. |
| Unisearch-Associates: Manufacturer of systems for continuous industrial monitoring of gas emissions and air quality. |
| VIG Industries, Inc.: Manufacturer of flame ionization detectors (FID), microprocessor-based hydrocarbon analyzers, zero air generators, NDIR analyzers, custom continuous emissions monitoring (CEM) systems. Repair other manufacturers environmental monitoring equipment. |
| WTC Environmental Monitoring and Process Control: Supplier of data acquisition, monitoring and control systems for environmental monitoring and process control. Specialty is turnkey systems for air compliance monitoring. |
| Zefon International, Inc.: Manufacturer and distributor of air sampling equipment. Products include air monitoring filters, vacuum pumps, gas detection equipment and indoor air quality equipment. |
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