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View Diary: DO NOT PUBLISH. To the Gas Industry: "What the frack are you doing to our air and water?" (71 comments)

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  •  Thanks so much for a great diary! (2+ / 0-)
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    Agathena, joe shikspack

    Keep up the good work, you two! We need all the help we can get!

    Question: How long will well casings last, steel and cement, compared to the length of time the chemicals and heavy metals remain toxic?
    Not sure I want to know the answer.

    •  The well casings get worn down from use and (4+ / 0-)

      the fact is no one knows if they are free from cracks or fissures before the fracking begins. The bore hole is steel coated with cement but no one knows how well it is sealed from the aquifer. Also the fissures made in the horizontal fracking don't stay where they should in the shale, no one knows what they do and how far they go into the other layers. Layers that might reach the water wells or even the aquifer itself.

      There is too much in the process that is unknown and out of control.

      Idon't know how long the chemicals in the fracking sludge will last. Some chemicals released by the fracturing last a long long time.

      Not only are the chemicals that are sent down into the well (which come back up with the gas for the life of the well's production) a problem, there are toxic substances which were locked in the layers of strata that the well is bored into which become freed by the fracturing process.  Black shales are known to contain numerous heavy metals, among them are strontium, barium, uranium, and radium; chemicals in the drilling muds and fracking fluids can cause leaching of radioactive materials from the source rocks into the fracking fluid.  Radon gas (highly radioactive and extremely carcinogenic) can be mobilized by fracking as well.
      From the section above ^^^ Fracking: the numbers.

      ❧To thine ownself be true

      by Agathena on Thu Aug 09, 2012 at 01:53:26 PM PDT

      [ Parent ]

      •  Just got back online--thunderstorm, (2+ / 0-)
        Recommended by:
        Agathena, joe shikspack

        power out for a couple of hours.

        Your comment affirms what I've been thinking, regarding the casings and also the fractures possibly reaching our water.

        There's also an exemption from the Hazardous Waste Act (not sure of the actual name) which means that solids left from the drilling fluids are sent to regular landfills instead of hazardous waste dumps--radioactivity and all. It's said to be low-level, but somehow that's not reassuring.

        It's all discouraging, but we can't give up the fight.

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