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CENTRAL VALLEREGIONAL WATER QUALITY PNTROL BOAR1 <br />IINSPECTION REPORT I <br />22 March 2007 <br />DISCHARGER: Sims Hugo Neu <br />LOCATION & COUNTY: Cove Contractors Landfill, Stockton, San Joaquin County <br />CONTACT(S): Andrew Keller <br />INSPECTION DATE: 21 March 2007 <br />INSPECTED BY: Mary Boyd <br />ACCOMPANIED BY: none <br />OBSERVATIONS AND COMMENTS: Inspection of the completed work shows that winter rains <br />have eroded the edges of the foundation layer. Rills and gullies were observed along the <br />eastern perimeter of the foundation layer. Multiple drums of well purge water were stored on <br />site, presumably from the 30 January 2007 sampling event. <br />SUMMARY: This is a construction site for a final landfill cap; the majority of the site is <br />compacted imported soil with no vegetation. The foundation layer of the cap has been <br />completed. Construction of the low -hydraulic conductive layer and vegetative layer are <br />scheduled for completion at the beginning of the 2007 dry season. Erosion control measures, <br />such as tracking up and down slopes, installing wattles, or applying mulch were not apparent. <br />Lack of sufficient control measures has lead to the formation of rills and gullies in the bare soil <br />along the eastern perimeter slopes. <br />