Laserfiche WebLink
This tubing consists of a 114-inch diameter inner transport tubing with a <br /> 7/8-inch outside diameter secondary containment tube. This. tubing is <br /> flexible and will be buried through narrow trenches cut through the <br /> asphalt/concrete surface with a Ditch Witch. The tubing will be placed <br /> into the trenches, buried with sand and covered with a surface patch. A <br /> detailed drawing of the manifold to sparge well connection is included in <br /> Appendix B. <br /> 6 . 0 OPERATION, MONITORING AND REPORTING <br /> The system will operate continuously 24-hours a day,' 7 days a. week. The <br /> system will be checked daily for the '.first week of operation and weekly <br /> he first week of operation, dissolved ox <br /> thereafter. During t p gen will be <br /> } <br /> measured in all site groundwater monitoring wells to verify that ozone is <br /> being distributed as designed. In addition to the scheduled quarterly <br /> groundwater monitoring at the site, ASE will also conduct interim <br /> groundwater sampling one month after system startup, 2 month after <br /> system startup and one sampling in the period between regularly <br /> scheduled quarterly monitoring periods approximately 4 months after <br /> system startup. Results of the interim sampling will be reported in the <br /> normal quarterly report and will be addressed in detail in a report to be <br /> completed after 6-months of operation. <br /> 7 . 0 SCHEDULE <br /> E ASE will submit costs for the installation and operation of this remediation <br /> system to the California Underground Storage Tank Cleanup Fund for cost <br /> pre-approval upon approval of this workplan by the San Joaquin County <br /> PHS-EHD. ASE will begin construction of the remediation system <br /> immediately upon pre-approval of- the costs from the UST Cleanup Fund. <br /> Singh's Unocal Remedial Action Plan — March 2002 <br />$ -3- <br /> I <br /> s <br />