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Mr.McClellon <br /> March 27,2008 <br /> Page 2 of 2 <br /> 2. Landfill Gas MonitoringProbe: Probe#1 used as one of the compliance probes had been noted to have its <br /> screen depth in water. This was discovered during a trial of a video bore instrument in 2006. At that time,probe <br /> #1 was considered non-functional. This meant that the site was not in compliance with the minimum of 1,000 <br /> feet monitoring probe spacing and hence another monitoring probe had to be installed to maintain the minimum <br /> spacing. <br /> 3. Drainage Control: Abundant vegetation had grown in the perimeter drainage where the half-pipe corrugated <br /> metal drainage was located. It was also unclear where this drainage would drain the runoff into. Also, drainage <br /> on the southeast property boundary where grading had taken place did not appear to function as intended. The <br /> operator should provide adequate drainage of runoff for the entire site. <br /> I <br /> Drainage looking southwest <br /> 4. Surface debris was observed in the newly graded areas on the southeastern property boundary. This surface <br /> debris should be collected and taken to an approved solid waste facility. <br /> Surface debris observed within the newly graded area <br /> Thank you for the opportunity to visit this site. Please contact Gino Yekta of my staff at(916) 341-6354 or me at <br /> (916)341-6318 should you have any questions. <br /> Sincerely; <br /> Michael B. Wochnick,P.E., Supervisor <br /> Closure and Technical Support <br /> Cc: Ms.Natalia Subbotnikova,REHS,Local Enforcement Agency <br /> Mr.Todd Del Frate,Central Valley Region California Water Quality Control Board, Sacramento <br />