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Use and Misuses of Detector Tubes.

Authors
Lynch-JR
Source
Transactions of the 32nd Annual Meeting of the American Conference of Governmental Industrial Hygienists, May 10-12, 1970 1970 May:142-148
Link
NIOSHTIC No.
00041647
Abstract
A survey was made of Occupational Health Units to examine detector tube use. Response to the questionnaire indicates that detector tubes should be calibrated by the user. In the absence of such calibration, results should be considered semiquantitative. There is a need for a simple, inexpensive method of calibration. As many samples as possible should be used to determine average concentrations for a single exposure situation. A minimum of five should generally be taken. Decision should be made on a statistical basis or using a student t-test with actual sample data to determine the variance. In general, the survey indicated that detector tubes are used widely but not well. The tubes have serious systematic errors which must be corrected by calibration.
Keywords
Equipment; Sampling; Contaminants; Accuracy; Instrumentation;
Publication Date
19700512
Document Type
Conference/Symposia Proceedings;
Fiscal Year
1970
NTIS Accession No.
NTIS Price
Source Name
Transactions of the 32nd Annual Meeting of the American Conference of Governmental Industrial Hygienists, May 10-12, 1970
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