| Main Title |
Asbestos-Cement Products in Contact with Drinking Water: SEM Observations. |
| Author |
Clark, P. J. ;
Millette, J. R. ;
Boone, R. L. ;
|
| CORP Author |
Municipal Environmental Research Lab., Cincinnati, OH. |
| Year Published |
1980 |
| Report Number |
EPA-600/J-80-281; |
| Stock Number |
PB81-213118 |
| Additional Subjects |
Asbestos ;
Potable water ;
Corrosion ;
Inhibitors ;
Cement ;
Fibers ;
Ingestion(Biology) ;
Water pollution ;
Reprints ;
Drinking water ;
Water pollution control ;
NTISEPAORD
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB81-213118 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
8p |
| Abstract |
In studying the health effects of asbestos fibers ingested in drinking water it is important to know whether water can corrode the surface of asbestos-cement products to facilitate the release of the fibers to the water. Also, in the case of asbestos-cement pipe, it is important to know whether chemical inhibitors can coat the surface of the pipe to curtail this release. Because of these needs, the effects of water on the surfaces of three asbestos-cement materials, namely, water pipes, cistern collecting tiles, and reservoir parapet walls, were studied using the Scanning Electron Microscope (SEM) and Energy Dispersive X-ray Analysis (EDXA). The micrographs from the SEM showed that the surfaces can be corroded, exposing and releasing fibers to the drinking water. The EDXA spectra showed that the surfaces of the asbestos cement materials can be chemically altered to cause the release of fibers. Also, these spectra showed that certain chemical inhibitors, under specific conditions, can coat the surfaces of pipe and presumably impede any fiber release. |
| Supplementary Notes |
Pub. in Scanning Electron Microscopy 1, p341-346 1980. |
| NTIS Title Notes |
Journal article. |
| Title Annotations |
Reprint: Asbestos-Cement Products in Contact with Drinking Water: SEM Observations. |
| PUB Date Free Form |
1980 |
| Category Codes |
6T; 6F; 57Y; 68D |
| NTIS Prices |
PC A02/MF A01 |
| Primary Description |
600/14 |
| Document Type |
NT |
| Cataloging Source |
NTIS/MT |
| Control Number |
323799747 |
| Origin |
NTIS |
| Type |
CAT |
