Call the Division Office:
Duluth - 218-529-5000
or Fax: 218-529-5003
Grosse Ile - 734-692-7600 or Fax: 734-692-7603
Regular or certified mail addresses:
U.S. EPA - Mid-Continent Ecology Division - Duluth
6201 Congdon Boulevard
Duluth, Minnesota 55804-2595
U.S. EPA - Mid-Continent Ecology Division
Large Lakes Research Station
9311 Groh Road
Grosse Ile, Michigan 48138-1697
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