| Main Title |
Hydrocarbon measurement discrepancies among various analyzers using flame-ionization detectors / |
| Author |
McElroy, Frank F. ;
Thompson., Vinson L.
|
| Other Authors |
|
| CORP Author |
Environmental Monitoring and Support Lab., Research Triangle Park, N.C. Environmental Monitoring Branch. |
| Publisher |
U.S. Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory ; Available to the public through the National Technical Information Service, |
| Year Published |
1975 |
| Report Number |
EPA-600/4-75-010; EPA-ROAP-22ACK; PB247821 |
| Stock Number |
PB-247 821 |
| OCLC Number |
45626175 |
| Subjects |
Hydrocarbons--Measurement ;
Air--Pollution--Measurement
|
| Additional Subjects |
Gas detectors ;
Hydrocarbons ;
Air pollution ;
Design criteria ;
Concentration(Composition) ;
Measurements ;
Gas ionization ;
Monitor ;
Gas chromatography ;
Comparison ;
Performance evaluation ;
Calibrating ;
Air pollution detection ;
Flame ionization detectors ;
Air quality criteria
|
| Internet Access |
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| EJED |
EPA 600/4-75/010 |
|
OCSPP Chemical Library/Washington,DC |
02/11/2005 |
| EKBD |
EPA-600/4-75-010 |
|
Research Triangle Park Library/RTP, NC |
07/25/2003 |
| ELBD ARCHIVE |
EPA 600-4-75-010 |
Received from HQ |
AWBERC Library/Cincinnati,OH |
10/04/2023 |
| ESAD |
EPA 600-4-75-010 |
|
Region 10 Library/Seattle,WA |
03/23/2010 |
| NTIS |
PB-247 821 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
iii, 23 p. ; 28 cm. |
| Abstract |
Several experimenters have observed substantially discrepant nonmethane hydrocarbon measurements from various types of hydrocarbon analyzers measuring identical samples of ambient air. To formally investigate this problem, an experimental laboratory study wherein a number of flame-ionization analyzers were observed under controlled conditions while making simultaneous measurements of urban ambient air was conducted. Substantial discrepancies were found to occur among different models of analyzers. The standard deviations of these discrepancies averaged 0.322 part per million, which is extremely large with respect to the ambient air quality standard (guide) for nonmethane hydrocarbons, 0.24 part per million. |
| Notes |
"September 1975." |
