Direct-Reading Gas and Vapor Instruments

Details

• Personal Author:
  McCammon, Charles S. ; Woebkenberg, Mary L.
• Description:
  This chapter presents useful information about direct-reading instruments for analyzing airborne gases and vapors. The instrumentation that will be discussed is that which provides an on-site indication, in useful units (e.g., ppm, mg/m3, etc.), of the presence of the contaminant(s) of interest. Frequently, these instruments are general, nonspecific detectors, but chemispecific detectors are also available. The instruments are commercially available. Direct-reading instruments may be used for area, process, or personal monitoring, and it is convenient to describe three physical classifications for grouping these instruments: personal instruments are those instruments small enough to be worn by an individual; portable instruments are those easily carried by an individual; transportable instruments are those requiring a cart or other support for movement to or from the monitoring site. Ideally, these instruments operate from self-contained battery power, but many can also use, and some require, line current. In this chapter, the reader will find information on operational, physical, and performance characteristics for each of the instruments described. These instruments are grouped into the following classifications: electrochemical instruments, spectrochemical instruments, thermochemical instruments, gas chromatographic instruments, mass spectrometers, paramagnetic instruments, and an aerosol formation and detection instrument. In each section, there is a general definition of the instrumentation to be described, an explanation of the principle of detection, and a brief discussion of conditions of application for the instruments, including capabilities, restrictions, and limitations. At the end of the chapter is a suggested reading list for the reader who requires more in-depth information about a particular technique. Regardless of the instrument chosen for use and the capabilities of that instrument, there is no substitute for knowledge of the capabilities and limitations of the instrument as well as effects of the conditions in the proposed monitoring situation. Then, the most appropriate instrument can be chosen for a given application, meaningful data can be obtained, and, if necessary, effective solutions for contaminant control can be implemented. [Description provided by NIOSH]
• Subjects:
  Aerosols Air Pollutants, Occupational Air Pollution, Indoor Dust Environmental Monitoring Occupational Health Particulate Matter Safety Solvents
• Keywords:
  Aerosol-particles Aerosol-sampling Air-contamination Air-monitoring Air-quality-monitoring Airborne-dusts Airborne-particles Gases Monitoring-systems Monitors Sampling-equipment Sampling-methods Vapors

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• ISBN:
  9781882417391
• Publisher:
  American Conference of Governmental Industrial Hygienists, Inc.,
• Document Type:
  Text
• Genre:
  Book
• Place as Subject:
  Ohio ; OSHA Region 5
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  DART - Division of Applied Research and Technology
• Topic:
  Workplace Safety & Health
• Location:
  North America
• NIOSHTIC Number:
  nn:20021489
• Citation:
  Air sampling instruments for evaluation of atmospheric contaminants, 9th edition. Cohen BS, McCammon CS Jr., eds. Cincinnati, OH: American Conference of Governmental Industrial Hygienists (ACGIH), 2001 May; :507-576
• Editor(s):
  Cohen BS; McCammon CS Jr.
• Federal Fiscal Year:
  2001
• Peer Reviewed:
  False
• Source Full Name:
  Air sampling instruments for evaluation of atmospheric contaminants, 9th edition
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:b552c0954e86b5f3ff7713c38b3672b91feeb0ece2046bd35d267a2b41dfc41716603b4d27ef03774239f8ff6460c2f22a4892fd37f4f783694c7982fb2dc600
• Download URL:
  https://stacks.cdc.gov/view/cdc/198778/cdc_198778_DS1.pdf
• File Type:
  [PDF - 35.47 MB ]