Sample processing at the USGS IN-KY Water Science Center algal biomass lab

The Ohio-Kentucky-Indiana Water Science Center Algal Biomass Laboratory processes samples for chlorophyll-a and nutrients. The analytical data for chlorophyll-a and pheophytin provided by USGS [periphyton samples collected by the Indiana Department of Environmental Management (IDEM)] are used by IDEM for water quality assessment and nutrient management planning.