| Main Title |
NTA and mercury in artificial stream systems / |
| Author |
Kania, Henry J.
|
| Other Authors |
|
| CORP Author |
Georgia Univ., Athens. Inst of Radiation Ecology. |
| Publisher |
Office of Research and Development, U.S. Environmental Protection Agency, |
| Year Published |
1974 |
| Report Number |
EPA-660/3-73-025; EPA-16050-GQQ; W74-10538 |
| Stock Number |
PB-234 459 |
| OCLC Number |
11857507 |
| Subjects |
Water--Pollution ;
Nitrilotriacetic acid ;
Mercury ;
Acetates ;
Acetic Acids
|
| Additional Subjects |
Water chemistry ;
Surfactants ;
Decomposition ;
Mercury(Metal) ;
Water pollution ;
Chelates ;
Concentration(Composition) ;
Inorganic phosphates ;
Interactions ;
Vulcanized elastomers ;
Acetic acid/nitrilo-tri ;
Water pollution effects(Animals) ;
Gambusia affinis ;
Mosquitofish
|
| Internet Access |
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| EJBD |
EPA 660/3-73-025 |
|
Headquarters Library/Washington,DC |
05/12/2006 |
| ELBD ARCHIVE |
EPA 660-3-73-025 |
Received from HQ |
AWBERC Library/Cincinnati,OH |
10/04/2023 |
| ELBD |
EPA 660-3-73-025 |
|
AWBERC Library/Cincinnati,OH |
04/25/1998 |
| NTIS |
PB-234 459 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
25 pages : illustrations ; 27 cm. |
| Abstract |
Studies were conducted in six artificial stream channels to determine the fate of NTA (nitrilotriacetic acid, trisodium salt) added with and without sodium phosphate to these systems. In the two hour period required for a given water mass to traverse the channels, there was no appreciable amount of NTA or phosphate, even after a one month period of continuous input. Visible biological differences were noted between the various treatments. These differences may have been a result of pH alteration caused by the addition of the trisodium phosphate and NTA. In anticipation of a long term program involving the fate of mercury and possible mercury-NTA interactions, several modifications were incorporated into the artificial stream system. Based on the results of laboratory studies, a mercury removal system utilizing shredded rubber tires as obtained from commercial tire recapping firms, was constructed. Laboratory studies indicated that NTA did not influence the uptake of mercuric ion by the rubber. The presence of NTA did alter the uptake pattern and final concentration by mosquitofish, Gambusia affinis. |
| Notes |
"February 1974." "Project officer, Dr. Walter M. Sanders, Southeast Environmental Research Laboratory." Prepared for Office of Research and Development, U.S. Environmental Protection Agency |
