Main Title |
Brake Emissions: Emission Measurements from Brake and Clutch Linings from Selected Mobil Sources. |
Author |
Jack, M. G. ;
DuCharm, R. T. ;
|
CORP Author |
Bendix Research Labs., Southfield, Mich. |
Year Published |
1973 |
Report Number |
EPA-68-04-0020; 1557; |
Stock Number |
PB-222 372 |
Additional Subjects |
( Air pollution ;
Asbestos) ;
( Automobiles ;
Brakes(Motion arrestors)) ;
( Brakes(Motion arrestors) ;
Air pollution) ;
Disk brakes ;
Drum brakes ;
Brake linings ;
Clutches ;
Particles ;
Chemical analysis ;
Tests ;
Motor vehicles ;
Sampling ;
Microscopy ;
Estimates ;
Particle size distribution ;
Emission factors
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB-222 372 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
322p |
Abstract |
In order to define the extent of gas and particulate emissions from automotive brakes (and clutches), a combination separation and storage collection system was devised. Unique emissions collectors for both disc and drum brakes and for a clutch were conceived, designed, and built as the main embodiment of this instrumentation. The brake emissions generated were removed from the various collectors and mass balances were performed. The particulates were processed and analyzed by a combination of optical and electron microscopy to ascertain the asbestos content and the asbestos particle size distribution in the wear debris. Comparisons of emissions from new and used friction materials, disc and drum brakes, and original equipment and aftermarket materials were made. Finally, an estimate was made of the total emission of asbestos by all of the vehicles in the country. (Modified author abstract) |
Highlights Notes |
Determines the asbestos content of automobile brake and clutch emissions and their particle size distribution. |
NTIS Title Notes |
Final rept.. |
PUB Date Free Form |
Mar 73, |
Category Codes |
13B; 68A# |
NTIS Prices |
PC A14/MF A01 |
Document Type |
NT |
Cataloging Source |
NTIS/MT |
Control Number |
326565015 |
Origin |
NTIS |
Type |
CAT |