Laserfiche WebLink
April 29 2009 <br /> Messrs Trommer and Larson Page 2 of 3 <br /> March 2010 Draft Five-Year Review Recommendation <br /> Various Sites <br /> tockton, CA, Claim Number lotest 9 a wok planforsuch is due <br /> 248 E. Park Street, SDPE) pi <br /> directive to conduct a dual phase extraction ( <br /> June 7, 2010. <br /> CA Claim Number 14349: You concurred with the <br /> 517 E. Fremont Street, Stockton, pilot test. <br /> EHD directive to submit a work plan to conduct <br /> a sol <br /> interpreted show)DP(E would not be <br /> The results from a recent DPE pilot test roved an SVE/IAS pilot test. The <br /> effective. By letter dated March 9, 2010, the EHD app <br /> sparge wells are scheduled for installation in May 2010. <br /> 15615 Seventh Street, Lathrup, CA, Claim Number 367: You concur with an EHD <br /> approval by letter dated January 8, 2010, conducting an oxygen injection pilot test. The <br /> EHD approved collecting groundwater parameters needed to show that low oxygen <br /> concentrations are a limiting factor controlling natural rattettenuatio on Aand that i J sturdy on os <br /> oxygen may be effective for enhancing natural <br /> pending. <br /> 11530 Eight Mile Road, Stockton, CA, Claim Number 3668: You concurred with the <br /> EHD directive to conduct ozone sparging pilot test. At this time there is an access <br /> problem for installing the sparge wells at the proposed locations are on a levee and the <br /> Reclamation District has not yet granted access. <br /> 814 Charter Way, Stockton, CA, Claim Number 6793: You recommend that the EHD <br /> consider site closure; at the time of preparation ° this <br /> letter <br /> of invest gation Ider vedwells <br /> wa t s <br /> on the <br /> site are being destroyed. As soon as proper disposal <br /> has been received, a closure letter will be issued. <br /> 5491 F Street, Banta, CA, Claim Number 889: You recommend that the EHD consider <br /> site closure. A monitoring well installed to further investigate <br /> high concentra sand ionsof total potentally <br /> petroleum hydrocarbons quantified as motor oil ( ) <br /> contributing to a nearby domestic well has been all system andnitored cozone <br /> the <br /> results of the second monitoring event ares pending The SVE <br /> injection system have been offline for several o° ndwater monboring andand reound lnebound <br /> g is in <br /> progress. Assuming favorable results from theg <br /> monitoring, the EHD will most likely start the closure process. <br /> 620 W. Charter Way, Stockton, CA, Claim Number 4954: In 2008 and 2009, you <br /> r remediation in <br /> he <br /> recommended implementation or enhancement of 50 feet belowa surface grade (b g)t to <br /> deeper zones on the site, generally deeper than implemented. This year you <br /> date remediation of deeper of the site orter has closure not been imp <br /> recommend consideration <br /> In response to free product encountered in <br /> shallow <br /> hydrocarbons°ring equanti ied as gasoline ne <br /> 15-50 in January <br /> 2009 and high concentrations of total petroleum <br /> 5-Year Reviews for March 2010 Comment Letter 0410.doc <br />