| Main Title |
Inputs of phosphorus from precipitation to Lake Michigan / |
| Author |
Murphy, T. J., ;
Doskey., P. V.
|
| Other Authors |
|
| CORP Author |
De Paul Univ., Chicago, Ill. Dept. of Chemistry.;Environmental Research Lab., Duluth, Minn. |
| Publisher |
U.S. Environmental Protection Agency, Office of Research and Development, Environmental Research Laboratory, Duluth, |
| Year Published |
1975 |
| Report Number |
EPA-600/3-75-005; EPA-R-802647; EPA-ROAP-25ADR-105 |
| Stock Number |
PB-251 144 |
| OCLC Number |
02313132 |
| Subjects |
Phosphorus ;
Precipitation (Chemistry) ;
Eutrophication--Michigan, Lake ;
Lake Michigan
|
| Additional Subjects |
Water pollution ;
Phosphorus ;
Lake Michigan ;
Precipitation(Meteorology) ;
Concentration(Composition) ;
Sampling ;
Inorganic phosphates ;
Organic compounds ;
pH ;
Eutrophication
|
| Internet Access |
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| EJBD |
EPA-600/3-75-005 |
|
Headquarters Library/Washington,DC |
02/28/2007 |
| ELAD |
EPA 600-3-75-005 |
|
Region 5 Library/Chicago,IL |
03/22/2017 |
| ELBD ARCHIVE |
EPA 600-3-75-005 |
Received from HQ |
AWBERC Library/Cincinnati,OH |
10/04/2023 |
| ELBD |
EPA 600-3-75-005 |
|
AWBERC Library/Cincinnati,OH |
04/10/1998 |
| ELDD |
EPA-600/3-75-005 |
|
CCTE/GLTED Library/Duluth,MN |
08/27/1999 |
| ESAD |
EPA 600-3-75-005 |
|
Region 10 Library/Seattle,WA |
08/09/2017 |
| NTIS |
PB-251 144 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
viii, 27 pages : illustrations ; 29 cm |
| Abstract |
Precipitation samples were collected at six locations around Lake Michigan and analyzed for the different forms of phosphorus present. It was found that the atmosphere is presently contributing one million kilograms per year of phosphorus or about 18 percent of the phosphorus budget of the Lake. As the phosphorus removal program on sewage effluents becomes fully implemented in the Lake Michigan basin, the contribution to the Lake of phosphorus from particulate matter scavenged by precipitation could increase to about 30% of the total. The phosphorus concentration of precipitation was found to be higher at the southern end of the Lake. More than 40% of the phosphorus in precipitation is dissolved reactive phosphates and the amount of the dissolved phosphates in precipitation was found to be somewhat dependent on the pH of the sample. |
| Notes |
"Grant No. 802647." Includes bibliographical references (pages 25-26). |
