Sr. No. 1 Landfill/Nearby Sample Collection Station and Country Sampling Date Jiangchungou (JCG) sanitary landfill, City Xi'an, China, 51 samples from 8 locations August through October 2013 2 Five USA MSW landfills Not mentioned Horizontal subsurface flow July 2015 to June 2016 3 (HSSF)-...