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Commodities at a Glance - Special issue on Shale Gas
… tons of sand (or another proppant); and 70–80 tons of chemical products. Figure 9 Horizontal drilling and hydraulic … secretariat, based on FracFocus, https://fracfocus.org/chemical-use/what-chemicals-are-used (accessed 13 September … restriction of chemicals in Europe). https://fracfocus.org/chemical-use/what-chemicals-are-used http://fracfocus.org/ …