TY - RPRT TI - Using Cl/Br ratios and other indicators to assess potential impacts on groundwater quality from septic systems: A review and examples from principal aquifers in the United States AU - B. G. Katz AU - S. M. Eberts AU - L. J. Kauffman PY - 2011 DO - 10.1016/j.jhydrol.2010.11.017 UR - https://pubs.usgs.gov/publication/70036960 ID - 70036960 ER -