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55-100 tons per hour stone sand making machine-manufacturer, site

55-100 tons per hour stone sand making machine-manufacturer, site

Jan 22, 2020 j. Trench Bottom Setback to Impermeable Rock or Soil Layer - There shall be at least 5 feet of soil that percolates in the range 1-120 MPI beneath the leachfield if a stream, spring, or cutbank is located within 50 feet, or 3 feet of permeable soil if the horizontal separation is more than 50 feet.. k. Trench Inspection Riser Pipes - Each distinct leach trench shall have a pipe placed

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