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RECORD NUMBER: 424 OF 852

OLS Field Name OLS Field Data
Main Title Integrated Approach to a Study of Contaminants and Toxicity in Monroe Harbor (River Raisin), Michigan, a Great Lakes Area of Concern: Summary Report.
CORP Author Michigan Dept. of Natural Resources, Lansing.;Environmental Research Lab.-Duluth, MN.
Year Published 1987
Report Number EPA-R-810232 ;EPA-R-810775; EPA/600/3-87/044;
Stock Number PB88-126008
Additional Subjects Toxicity ; Plankton ; Water pollution ; Monroe Harbor ; Bioassay ; Phytoplankton ; Zooplankton ; Fishes ; Larvae ; Biphenyl ; Chlorine organic compounds ; Reproduction(Biology) ; Daphnia ; Life cycles ; Mathematical models ; Metals ; Raisin River ; Graphs(Charts) ; Michigan ; Polychlorinated biphenyls ; Ceriodaphnia
Internet Access
Description Access URL
https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=20014UTK.PDF
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB88-126008 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/21/1988
Collation 207p
Abstract Chemical-specific and toxicity based approaches were used to assess effluent and receiving water quality of Monroe Harbor, Michigan. Toxicity was defined and measured by bioassay techniques using water both from control sites and points of impact. Inhibition of bacterial decomposer activity, phytoplankton productivity, zooplankton reproduction and grazing efficiency, survival of zooplankton and larval fish and contaminant accumulation were measured. An undetermined loading of PCBs approaching 200 g/day in the Lower Raisin River was found by using an input-output mass balance model. An attempt was made to integrate the toxicity based and chemical specific approaches. Zinc and copper appear to be toxic to different species and to affect specific ecosystem functions, either singly or in combination. Although PCBs were important in the bioaccumulation studies, they did not appear significant in describing observed toxicity in the Ceriodaphnia reproduction and survival in the seven day Mount-Norberg life cycle test.
Supplementary Notes Sponsored in part by Contract EPA-68-01-7170. Sponsored by Environmental Research Lab.-Duluth, MN.
PUB Date Free Form Nov 87
Category Codes 68D; 57; 99A
NTIS Prices PC A10/MF A01
Primary Description 600/03
Document Type NT
Cataloging Source NTIS/MT
Control Number 802920248
Origin NTIS
Type CAT