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  1. spags

    permeability of clay barrier

    Thanks for the responses. My problem is relating that to the EPA !. We have a spec of 10-9 in the clay barrier, but I have 10-8 materials - so how do I convince them that we can construct a cap with the same rate of infiltration from rainfall ?. Do we increase then depth ?
  2. spags

    permeability of clay barrier

    Question - I have to design a 0.5m thick cap on a waste rock dump. Criteria is 10-9. My materials are 10-8 What extra thinned do I need to meet same infiltration rate ?

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