| Main Title |
Performance of Automated Ambient SO2 Analyzers with Respect to a Proposed 5-Minute Ambient Air Quality Standard. |
| Author |
Eaton, W. C. ;
Parker, C. D. ;
Rickman, E. E. ;
McElroy, F. F. ;
|
| CORP Author |
Research Triangle Inst., Research Triangle Park, NC. Center for Environmental Measurements and Quality Assurance.;Environmental Protection Agency, Research Triangle Park, NC. Aerosol Physics and Methods Branch. |
| Publisher |
Nov 91 |
| Year Published |
1991 |
| Report Number |
EPA-68-02-4550; EPA/600/A-92/126; |
| Stock Number |
PB92-192178 |
| Additional Subjects |
Sulfur dioxide ;
Air pollution monitors ;
Performance evaluation ;
Electric devices ;
Accuracy ;
Air quality ;
Air pollution standards ;
US EPA ;
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB92-192178 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
14p |
| Abstract |
The U. S. Environmental Protection Agency is considering an additional ambient air quality standard for SO2 that would be based on average SO2 concentration over a 5-minute period. The paper investigates the speed-of-response characteristics of currently used SO2 continuous monitoring instruments and their adequacy for monitoring 5-minute averages. Two analyzers were laboratory-tested to determine their time-response characteristics. Mathematical models of instrument performance were then developed to study measurement accuracy for various short-duration SO2 concentration pulses. These brief experiments indicated that the response of the analyzers tested, which meet the current reference and equivalent method response specifications, was not adequate for monitoring 5 minute averages accurately. |
