11 Jul '12, 2pm

A deeper look at research on Marcellus geology and drinking water risk by @AbrahmL on @dotearth: #fracking

Saying that the study ”should end concerns…” [updated to “ease concerns” following my chat with him ] sounds more resolved than I see it, and I would tend to wait and watch as the scientific investigation continues. We’re just seeing the first 3-4 studies of this issue ever, and there are more to come. Besides, my impression was that this study was narrowly focused on the test of whether natural pathways exist, examined through an attempt to match brines found in water with brines believed to have come from deep below. I am not aware that the researchers analyzed the water for drilling contaminants, in the way, for example, that the EPA is investigating alleged contamination in Wyoming or did in Dimock, Pa., or that they even sought to answer that question. That said, it certainly is significant that no correlation between the brine mixing and the drilling activity was est...

Full article: http://dotearth.blogs.nytimes.com/2012/07/11/more-on-old-...

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