Page 35 - Air Pollution Control Engineering

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Air Quality and Pollution Control 15

Table 3
Partial Listing of Available Ambient Air-Monitoring Systems for Gaseous Pollutants
SO NO CO HC H S
2 x 2
Chemical electrode
Beckman Instruments, Inc. × ×
Geomet, Inc. × ×
Orion Research, Inc. ×
Chemiluminescence
AeroChem Research Laboratories, Inc. ×
Beckman Instruments, Inc. ×
Bendix Corp. ×
Geomet, Inc. ×
LECO Corp. ×
Scott Research Laboratories, Inc. ×
Thermo Electron Corp. ×
Colorimetric
Bendix Corp.
Drager Werk, AG × × × × ×
Unico Environmental Instruments, Inc. × × × × ×
Conductometric
Bristol Co. ×
Calibrated Instruments, Inc. ×
Leeds & Northrup Co. ×
Research Appliance Co. ×
Tracor, Inc. ×
Correlation spectrometry
Barringer Research Ltd. ×
Bausch & Lomb ×
CEA Instruments ×
Environmental Measurements, Inc. ×
Coulometric
Beckman Instruments, Inc. ×
Curtis Instruments, Inc. ×
Geomet, Inc. ×
Electrochemical cell
Dynasciences Corp. × × ×
International Biophysics Corp. × × × × ×
Theta Sensors, Inc. × × ×
Flame ionization detection
Bendix Corp. ×
Delphi Industries ×
GOW–MAC Instrument Co. ×
Mine Safety Appliances Co. ×
(Continued)