Report on Insecticides in Lake Michigan
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Issue Date
1968
Authors
Lake Michigan Enforcement Conference, Pesticides Committee
Subject
Great Lakes
Abstract
The following report of the technical committee on
pesticides contains recommendations based on information
obtained by the committee from published material, testimony
of experts, unpublished data from studies not yet completed,
and from the background and experience of the committee
members. Despite this wide range of sources, the information
was scanty on most aspects of pesticides in the Lake
Michigan watershed, and totally lacking in several critical
areas. These factors had a pronounced effect on the nature
and scope of the committeenulls recommendations.Despite considerable effort by the committee,
information necessary to determine the quantity and kinds
of pesticides in lake Michigan was not obtainable, and
apparently such information would require large expenditures
of time and money. The committee recognized a pressing
need for a system to obtain such information. The only
significant information available was the levels of DDT
and dieldrin (both insecticides) present in Lake Michigan
f i. sh.
This report includes only insecticides since there
is no informat ion to suggest that any significant amount
of pesticide, other than insecticides, has been detected
in Lake Michigan or its aquatic organisms. Thus, the word
insecticide is used henceforth.