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A Remote Sensing Infrared Air Monitoring System for Gases and Vapors.

Authors
Levine-SP; Xiao-HK; Herget-W; Spear-R; Pritchett-T
Source
NIOSH 1991 Feb:461-464
Link
NIOSHTIC No.
00210432
Abstract
The design and testing of a small, transportable remote sensing of emissions/Fourier transform infrared system were described. The system was intended for use as a gas and vapor air monitor for the workplace. Emergency response situations were described. Positive and negative least squares fit (LSF) methods can be used, under controlled conditions, to compensate for the presence of nonanalytes in the background spectrum. Iterative LSF methods can be used, under controlled conditions, to identify unknown components of the spectra of mixtures. The maximum viewing distance of the system was 40 meters. The infrared beam can be placed linearly or, using mirrors, around monitoring stations that are not linear. The laser beam was coaxial with the infrared light beam in order to aid in the accurate aiming of the beam. The beam could theoretically be moved around the workplace using a digital stepper, motor controlled, aiming mirror. The most important paths within an entire workplace could thus be traversed in a few minutes.
Keywords
NIOSH-Grant; Grants-other; Air-quality-monitoring; Toxic-gases; Organic-vapors; Monitoring-systems; Workplace-monitoring;
Contact
Environmental & Indust Health University of Michigan 1420 Washington Heights Ann Arbor, MI 48109-2029
Publication Date
19910212
Document Type
Conference/Symposia Proceedings;
Funding Amount
1353157.00
Funding Type
Grant;
Fiscal Year
1991
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-02666
Priority Area
Other Occupational Concerns; Grants-other;
Source Name
Field Screening Methods for Hazardous Wastes and Toxic Chemicals. Second International Symposium, February 12-14, 1991. Sponsored by U.S. EPA; U.S. DOE; U.S. Army Toxic and Hazardous Materials Agency; U.S. Army Chemical Research Development and Engineering Center; U.S.A.F.; Florida State Univ.; National Environmental Technology Applications Corp.; and NIOSH
State
FL; MI;
Performing Organization
University of Michigan at Ann Arbor, Ann Arbor, Michigan
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