30 octubre 2014
Research suggests air pollutants released by unconventional oil and gas production are well over recommended levels in the US. High levels of benzene, hydrogen sulfide and formaldehyde were found. The study is the first to be based on community sampling by people who live near production sites and could be used to supplement official air-quality monitoring programs.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/N7K5YzxTmRI/141030101543.htm
