Last year the PLIA commissioned a statistical analysis to determine the minimum number of samples needed to detect changes in the total phosphorus concentration in Platte Lake. Dr. Eric Smith of Virginia Tech and Dr. Ray Canale collaborated on the study, which has now been published in the peer-reviewed journal Lake and Reservoir Management. Here's a link to the article:  An Analysis of sampling programs to evaluate compliance with numerical standards: total phosphorus in Platte Lake, MI