J. Eddie Water Resources Branch G. Hebbert Water Resources Branch

ii 3.0 DISCLAIMER The study discussed in this document was carried out as part of the efforts of the Pollution from Land Use Activities Reference Group (PLUARG), an organization of the International Joint Commission, established under the Canada/U.S. Great Lakes Water Quality Agreement of 1972. Funding was provided through the Ontario Ministry of the Environment. Findings and conclusions are those of the author and do not necessarily reflect the views of the Reference Group or its recommendations to the Commission. Reference to equipment brand names or supplies in this publication is not to be interpreted as an endorsement of that product or supplier by the author or the Ontario Ministry of the Environment