Record Display for the EPA National Library Catalog


Main Title Pesticide inputs and levels : Minnesota waters-Lake Superior Basin /
Author Odlaug, Theron O.
Other Authors
Author Title of a Work
Olson, Theodore A.,
CORP Author Minnesota Pollution Control Agency.
Publisher United States Environmental Protection Agency, Water Quality Office,
Year Published 1971
Report Number EPA16050-EYT-06/71; W7210609
OCLC Number 00884166
Subjects Water--Pollution--Superior, Lake, Watershed ; Pesticides--Environmental aspects--Superior, Lake, Watershed ; North America--Lake Superior Watershed ; Minnesota
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EJBD  EPA 16050-EYT-06/71 c.1 Headquarters Library/Washington,DC 05/12/2014
ELBD ARCHIVE EPA 16050-EYT-06/71 Received from HQ AWBERC Library/Cincinnati,OH 10/04/2023
ELBD RPS EPA 16050-EYT-06-71 repository copy AWBERC Library/Cincinnati,OH 09/29/2015
Collation viii, 108 pages : illustrations, figures, tables ; 28 cm
Contents Notes
Concern about pesticide accumulation in the Upper Great Lakes prompted studies along Lake Superior's North Shore to provide current information on pesticide levels and contamination. Water samples were analyzed from the Grand Marais, the Duluth Pumping Stations, and the Duluth sewage treatment plant. Clams were exposed for bioassay purposes in 22 streams because they are concentrators of toxic substances, including chlorinated hydrocarbons, and reveal DDT and related compounds present in amounts below detection by ordinary analytical procedures. Under normal flow conditions, very little insecticide contamination was being contributed to Lake Superior from the drainage basin. Highest values occurred in the Lester and Lower St. Louis Rivers and in sewage effluent.