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Collection and Analytical Methods

Citation

Elliott, S.M., Lee, K.E., Brigham, M.E., Langer, S.K., Trombley, M.M., Menheer, M.A., Furlong, E.T., Foreman, W.T., Jorgenson, Z.G., Choy, S.J., Moore, J.N., Banda, J.B., and Gefell, D.J., 2015, Chemicals of Emerging Concern in Water and Bottom Sediment in Great Lakes Areas of Concern, 2013—Analytical Methods, Collection Methods, Environmental Data, and Quality Assurance: U.S. Geological Survey Data Release, https://doi.org/10.5066/F7DF6P9D.

Summary

Collection Methods Methods used to collect environmental samples in 2013 followed methods used in previous years of the study and are provided in detail in Lee and others (2012) for data collected in 2010/11 and in Lee and others (2015) for data collected in 2012 for the same study. Briefly, water samples were collected from streams and lakes using a modified depth-integrated sampling method with a weighted bottle sampler fitted with a 1-liter, glass bottle. Bottom-sediment samples were collected to include the most recently deposited bottom-sediment deposition (top 10 centimeters) using a stainless steel Ekman dredge. All samples were collected with inert materials and sampling personnel avoided the use of personal-care items such [...]

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