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Main Title Inputs of phosphorus from precipitation to Lake Michigan /
Author Murphy, T. J. ; Doskey., P. V.
Other Authors
Author Title of a Work
Doskey, P. V.
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
Description Access URL
Library Call Number Additional Info Location Last
EIAD  EPA-600/3-75-005 Region 2 Library/New York,NY 07/18/2003
EJBD ARCHIVE EPA 600-3-75-005 Headquarters Library/Washington,DC 01/10/2011
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  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).
Place Published Duluth, Minn
Corporate Au Added Ent Environmental Research Laboratory (Duluth, Minn.)
Title Ser Add Ent Research reporting series. Ecological research ; EPA-600/3-75-005.
NTIS Title Notes Final rept..
PUB Date Free Form 1975
Series Title Traced Ecological research series ; EPA-600/3-75-005
Series Title Untraced Ecological research series ; EPA-600/3-75-005
Category Codes 13B; 68D
NTIS Prices PC A03/MF A01
BIB Level m
Medium unmediated
Content text
Carrier volume
Cataloging Source OCLC/T
Merged OCLC records 1225799783
Control Number 326615569
OCLC Time Stamp 20170803110853
Language eng
SUDOCS Number EP 1.23:600/3-75-005
Origin OCLC
OCLC Rec Leader 02283cam 2200553Ii 45010