Laserfiche WebLink
A <br /> y / <br /> SGCOR nr :•ocacW11 <br /> INTERNATIONAL :SOI / <11901cRoad. Suile 100 <br /> INCORPORA I':- 1 • Rar. w Cordova. CA '45610 <br /> .416-Ml -04UO TEL <br /> i lei !-P61 0,430 FAX . <br /> April 5 , 20071I2Al8a <br /> I v' <br /> Mr. Mike Infurna <br /> San Joaquin County <br /> Environmental Health Department <br /> 304 East Weber Avenue, Third Floor <br /> Stockton , CA 95202 <br /> RE: Addendum to " Work Plan for Additional Assessment" dated February 12, 2007 <br /> ARCO Service Station 2130 <br /> 7906 North EI Dorado Street <br /> Stockton , California <br /> SECOR Project No. : 77BP. 02130. 01 .0136 <br /> Dear Mr. Infurna: <br /> This letter, prepared by SECOR International Incorporated (SECOR) on behalf of Atlantic <br /> Richfield Company, a BP Affiliated Company, presents an addendum to SECOR's Work Plan for <br /> Additional Site Assessment dated February 12, 2007 for the site referenced above . The scope <br /> of work of the original workplan called for the installation of seven groundwater monitoring wells <br /> and the performance of oxygen injection bench scale testing . Based upon a conversation with <br /> Mr. Mike Infurna of San Joaquin County Environmental Health Department on March 8, 2007, <br /> this addendum has been prepared to add the installation of additional monitoring wells to help <br /> complete site assessment. Two additional shallow zone monitoring wells (MW-21 and MW-22) <br /> and one intermediate zone groundwater monitoring well (MW-23) have been added to the <br /> original scope of work and will be installed at the locations on Figure 1 . Field and laboratory <br /> procedures outlined in the original workplan will remain the same. <br /> Should you have any questions regarding this project, please feel free to contact the <br /> undersigned at (916) 861 -0400. <br /> Sincerely, pftOFE <br /> SECOR International Incorporated <br /> Prepared by: Reviewed by: <br /> 839 m <br /> m <br /> E>n! 17/31/2008 A " <br /> ///►t1ti ���///lll t7 JV # <br /> Kristin Shelton Rusty Benkosky, .E. srq cwlt �P <br /> Associate Engineer Principal Engine r �pFCAL* <br /> pp� <br /> Figure 1 Site Plan with Proposed Monitoring Wells <br /> cc: Mr. James Barton , Regional Water Quality Control Board , Central Valley Region <br /> Mr. Don Pratt, Atlantic Richfield Company (Uploaded to Enfos) <br /> Yi <br /> Uploaded to GeotrackerAA <br /> tia <br /> j <br /> I <br />