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Stantec <br /> Third Quarter 2010 Status Summary Report <br /> Former Tosco Bulk Terminal No. 10013 <br /> October 26,2010 <br /> o Stantec, Addendum to Remedial Action Plan, dated July 21, 2010. <br /> o Stantec, along with ConocoPhillips met with the RWQCB-CVR caseworker on <br /> October 7, 2010 to discuss the site status and path forward direction for the open <br /> environmental case associated with the site. A timeline to cease remedial <br /> oxygen injection activities at the close of 2010 to track for potential rebound was <br /> agreed upon. Additionally, following receiving the RWQCB-CVR feedback from <br /> the discussions with NuStar and Port of Stockton representatives, it was <br /> determined that the submittal of a human health risk assessment would be <br /> prudent to assess whether the site is deemed appropriate for low risk closure and <br /> if the establishment of site specific water quality objectives is necessary. A <br /> submittal date of December 30, 2010 for a work plan to complete the human <br /> health risk assessment was agreed upon. <br /> PLANNED FOURTH QUARTER 2010 SITE ACTIVITIES: <br /> Proposed activities to be completed during the fourth quarter 2010 include: <br /> • TRC to conduct fourth quarter groundwater monitoring and sampling activities. <br /> • Stantec to submit Quarterly Status and Remediation Summary Report. <br /> • Arrange for waste removal as needed, including purge water generated during <br /> groundwater monitoring activities. <br /> • Stantec to continue implement bi-weekly mobile oxygen injection events. <br /> • Stantec to submit a work plan for completion of a human health risk assessment to the <br /> RWQCB-CVR by December 30, 2010. <br /> 7 <br />