South China Morning Post, August 15, 2011
http://www.scmp.com/portal/site/SCMP/menuitem.2af62ecb329d3d7733492d9253a0a0a0/?vgnextoid=39bfdaea039c1310VgnVCM100000360a0a0aRCRD&ss=china&s=news
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云南强调铬渣污染未波及饮用水源 (Yunnan Stresses That Chromium Waste Did Not Seep into Drinking Water)
British Broadcasting Corporation, August 14, 2011
http://www.bbc.co.uk/zhongwen/simp/chinese_news/2011/08/110814_china_pearl_river_pollution.shtml