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S. Thickness(es) of lirrer(s) <br /> 6. Date(s) of emplacement of liner(s) <br /> 6 <br /> 7. Discussion of liner construction and emplacement Quality <br /> 6�4 Assurance/Quality Control (QA/QC) procedures, if any <br /> • <br /> 8. For artificial (membrane) liners, method(s) .of joining adjacent <br /> liner panels (thermal weld, solvent weld, etc. ) <br /> < 9. For natural (clay) liners, American Society for Testing and <br /> Materials test number, relative compaction at time of placement, <br /> and all supporting test data <br /> 10. Compatibility of liner relative to wastes contained in the <br /> impoundment <br /> 11. Date of most-recent liner inspection, condition of liner and seams <br /> at time of inspection, and name of person responsible for <br /> inspection <br /> 12. History of leaks and repairs <br /> -� P- <br /> 4 C. Cha}s�rcs pf <br /> (CCS underl,y n leachate col ec on `�_n �remova �`sste <br /> ��s <br /> i�f an If <br /> Y. CLIMATOLOGY <br /> A. Mean annual long-term precipitation for the region within ten miles <br /> surrounding the impoundment [Health and Safety Code Section 25208.8(h)(1)j <br /> 1. Data and their sources <br /> 2. Discussion of derivation of isohyets shown on attached map <br /> B. Estimated 100-year, 24-hour precipitation and Probable Maximum 24-hour <br /> Precipitation at the impoundment [Health and Safety Code Section <br /> 25208.8(h)(2)] <br /> 1. Identification and description of off-site precipitation <br /> station(s) used to prepare estimate and precipitation data from <br /> stations) identified <br /> 2. Comparison of off-site precipitation conditions with estimated on- <br /> site conditions <br /> 3. Procedures used to extrapolate data to impoundment area <br /> 4. Discussion of 100-year, 24-hour and Probable Maximum 2 -hour <br /> Precipitation at the impoundment <br /> -3- <br /> °� • fir" <br />