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Derek Craig

Derek Craig is a chemist in the water quality laboratory of the U.S. Geological Survey’s Upper Midwest Environmental Sciences Center. He started as a Pathways intern in 2015. He performs a variety of nutrient analyses for water and sediment samples in support of various projects relating to the Upper Mississippi River Restoration – Long Term Resource Monitoring element.  


  • Water and Sediment Analyses
    • Nitrogen
    • Phosphorus
    • Silicates
    • Chloride
    • Metals
    • Chlorophyll
    • Suspended Solids