| Main Title |
Effect of Penetration on the Indoor/Outdoor Ratio of Fine Particles. |
| Author |
Mosley, R. B. ;
Greenwell, D. J. ;
Guo, Z. ;
Fortmann, R. ;
Whitfield, C. ;
|
| CORP Author |
ARCADIS Geraghty and Miller, Inc., Research Triangle Park, NC.;Environmental Protection Agency, Research Triangle Park, NC. Air Pollution Prevention and Control Div. |
| Publisher |
2000 |
| Year Published |
2000 |
| Report Number |
EPA-68-C9-9201-02-4; EPA/600/A-00/062; |
| Stock Number |
PB2000-107842 |
| Additional Subjects |
Particles ;
Air pollution control ;
Particulates ;
Indoor air pollution ;
Penetration ;
Residential buildings ;
Concentration ;
Pressurizing ;
Air cleaners ;
Stationary sources
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB2000-107842 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
20p |
| Abstract |
The paper discusses some measured values of penetration into an unoccupied research house in which most of the usual indoor sources of particles are absent, and in which the rate of entry of outdoor particles can be controlled by applied pressure differentials. (NOTE: Several recent studies, indicating significant health risks associated with exposure to fine particles are measured outdoors, have led to increased interest in the relationship between indoor and outdoor fine particles.) Mathematical expressions are developed to compute the characteristic time of response of a building to a change in its environment, such as particle concentration or pressurization. Equations are also presented to compute the particle penetration from measured responses of indoor concentrations to either a pressurization system of air cleaners. |
| Supplementary Notes |
Presented at Engineering Solutions to IAQ Problems, Raleigh, NC., July 17-19, 2000. Sponsored by Environmental Protection Agency, Research Triangle Park, NC. Air Pollution Prevention and Control Div. |
| Availability Notes |
Product reproduced from digital image. Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.fedworld.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| Category Codes |
68A; 97 |
| NTIS Prices |
PC A03/MF A01 |
| Primary Description |
600/13 |
| Document Type |
NT |
| Cataloging Source |
NTIS/MT |
| Control Number |
029900900 |
| Origin |
NTIS |
| Type |
CAT |
