Laserfiche WebLink
Tracy Marine's --'3 - October, 31, 2011 <br /> Remediation Summary <br /> • Free Product: No free product was documented throughout the life of this case; 4 � <br /> • Soil Excavation: Unknown <br /> • In-Situ Soil Remediation: No soil remediation has been conducted <br /> • Groundwater Remediation:. No groundwater remediation has been conducted <br /> - ... y J"�i;t 5+-Y*. - ... �I ��..s'i"P,•di'4'x.1 <br /> General Site Conditions j <br /> • Geology and Hydrogeology: The Site is underlain by interbedded and intermixed sand, <br /> silt and clay. The depth to groundwater is approximately 8 feet bgs and the groundwater <br /> gradient is north at approximately 0.008 feet/foot <br /> • Groundwater Trends: There are more than 11 years of groundwater monitoring data for { <br /> this Site. MTBE trends:are shown below, source area (MW-7) and down gradient <br /> (MW-8) , . .i F . • h :' <br /> METHYL-TERT-BUTYL ETHER(MTBE)Results for MW73 - <br /> s000. r13 <br /> waw ( L •. <br /> r 5 - ./ <br /> ..._Hen+n-TEq Va �cq 4—M)- _tee <br /> 4 METHYL-TERT-BUTYL ETHER{MTBE)Results for MW& <br /> a <br /> y.. >ti-TEgY-BVTVL BTnF':q IMTBEY <br /> Risk Evaluation <br /> There are no water supply wells or surface water receptors present within 1,200 feet of the Site. <br /> Recommendation <br /> In May 2008, the Fund made the following recommendation: The Fund recommends that the <br /> San Joaquin County LOP direct the Responsible Party assess the effectiveness of the;current <br /> groundwater treatment system and maximize the system as necessary to achieve Water Quality <br /> Objectives in a timely manner. The Fund will review this site next year to track progress. <br /> UPDATED, May 2009, the Fund recommends that the San Joaquin County LOP review this site <br /> for closure. <br /> UPDATED, May 2010, the Fund continues to recommend that the San Joaquin County LOP <br /> consider this site for closure. Further investigation at this site is unlikely to benefit the;people of <br /> California. <br />