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124`h Estates-TR to Application 5 July 9. 2002 <br />SOIL LINER TESTING FREQUENCY <br />VOLUME PER TEST <br />Test and ASTM Desi nation Soil Liner Fill (c ) <br />Com action (ASTM D 698) 5,000 <br />Particle Size (ASTM D 422) 5,000 <br />Atterber Limits (ASTM D 4318) 5,000 <br />Moisture Content (ASTM D 2216) 500 <br />Permeabilit (ASTM D 5084/2434) 15,000 <br />Nucleaz Densit 500 <br />1. Specified frequency or one per material type, whichever is greater. <br />2. Specified frequency or minimum of four per day, whichever is greater. <br />2. The plans and specifications in the Ground report are written in the form of recommendations. The <br />Applicant must commit to following the recommendations as enforceable permit conditions. The <br />Applicant must provide a statement that the plans and specifications in the Ground report cannot be <br />altered without DMG consent. <br />3. The Applicant must provide the DMG with a schedule for constmction of the clay liner so that <br />inspections may be scheduled at appropriate times during the installation. <br />4. The Applicant will be required to provide a construction report detailing the installation of the liner, <br />describing any problems that occurred, and listing the results of testing that was conducted under the <br />approved CQA plan. Moreover, a certification will be required to accompany the construction report <br />with a statement from the CQA engineer that the facility was constructed in accordance with the <br />approved plans and specifcations. <br />All of the above listed elements are discussed in the DMG Guide. For the Applicant to be fully released <br />from 100 percent of the clay liner bond, post construction testing must be successfully completed in <br />accordance with the "State Engineer Guidelines for Lining Criteria for Gravel Pits," August 1999, section <br />3.1. <br />The Divisions decision due date for the Technical Revision to the Permit Application is July 19, 2002. <br />Please respond to the above mentioned issues prior to this date. If additional time is necessary to respond to <br />the Division, the applicant may extend the Division's decision due date in writing on or before July 19, 2002. <br />If you have any questions, please do not hesitate to call me at 303-866-4943. <br />Si ere y, <br />J , <br />rica rosby <br />Environmental Protection Sp ist <br />cc: Carl Mount, DMG (via electronic transmission) <br />Scott Keen (via electronic transmission) <br />