Variables Affecting Air Quality Instrument Operation
Auteur : R. R. Peter, Kenneth O. Pinkerman, Earl C. Shirley
Date de publication : 1977
Éditeur : Department of Transportation, Federal Highway Administration, Office of Research and Development
Nombre de pages : 76
Résumé du livre
When an air pollution monitoring system is put into operation, it should be analyzed to determine whether system variables will affect the output of analytical instruments within the system. An analysis of the monitoring system of a Caltrans air pollution research van is presented. This analysis investigates the effects of several system variables on instrument response, including the length of the sample intake lines, variation in instrument supply voltage, van interior temperature, soiling of intake line filters and the retention time of air samples in teflon bags. Where system variables are found to affect instrument response, regression equations were developed which correct for the effects of these variables.