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N Revised Work Plan for SVE/AS Feo,ibility Testing S E C 0 R - <br /> ARCO Service Station 548 <br /> Stockton, California <br /> Page 2 of 4 <br /> that the AS system is effective. If the FID readings indicate that hydrocarbon vapors are <br /> being recovered , a vapor sample will be collected in a Tedlar® bag . The vapor sample will <br /> be labeled and transported under chain-of-custody to the laboratory. The sample will be <br /> analyzed for BTEX, TPHg , and MtBE using EPA Method 8260B to confirm the field FID <br /> readings . <br /> SECOR and the Execution Contractor are prepared to initiate field activities upon approval <br /> of this work plan by the SJEHD . We anticipate that field work and reporting will require <br /> approximately 12 to 16 weeks to complete, following the receipt of a valid SVE/AS <br /> operation permit from APCD . <br /> Should you have any questions regarding this project, please feel free to contact the <br /> undersigned at (916) 861 -0400 ext 229. <br /> Sincerely, <br /> SECOR International Incorporated QROFESSIpN <br /> Prepared by: Reviewed by: <br /> 0+ jn � n . 583 ` � <br /> / ` ✓ V v � I/l�,{'}-/ZEXP. 1 213 112 0 0 6 <br /> Kristin Shelton Rusty Benkos y, P . E . CIVIL <br /> Associate Engineer Principal Engineer STgTFOFCAL1F0��\P <br /> cc: Mr. James Barton , Regional Water Quality Control Board , Central Valley Region <br /> Mr. Don Pratt, Atlantic Richfield Company (Uploaded to Enfos) <br />