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California Regional Water Quality Control Board <br /> T: <br /> Central Valley Region <br /> Winston H.Hickox Robert Schneider, Chair Gray Davis <br /> Secretary for Governor <br /> Environmental Sacramento Main Office ��r- <br /> Protection Internet Address: http://www.swrcb.ca.gov/rwgcb5 {�(� (-' I1Ir!+\S' <br /> 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> 10 October 2002 <br /> ENVtI?�dM�P1T HEALTH <br /> tr <br /> PE�Itiri i�;;E��IICES <br /> Mr. Joseph Debenedetto <br /> Ocwen Federal Bank <br /> 1675 Palm Beach Lakes Boulevard <br /> West Palm Beach, FL 33401 <br /> REVIEW OF DOCUMENTS, THE LANDING SHOPPING CENTER, STOCKTON, SAN <br /> JOAQUIN COUNTY <br /> In November 2000, the San Joaquin County Environmental Health Department referred documents to <br /> the Regional Board regarding volatile organic compound (VOC) pollution at the Landing Shopping <br /> Center at 3422 West Hammer Lane in Stockton(site). Regional Board staff reviewed the <br /> 14 September 2000 Limited Subsurface Investigation (Report) submitted by Paragon Environmental <br /> Services on behalf of Ocwen Federal Bank FSB (OWB). The Report shows soil vapor and <br /> groundwater sampling results from locations near the western side of the building. The Report shows <br /> low levels of tetrachloroethene (PCE) in 10 of 13 soil gas survey locations and one soil gas sample <br /> with detections of cis-1,2-dichloroethene, trans-1,2-dichloroethene, and trichloroethene. Field <br /> screening also shows detections of VOCs in soil vapor. PCE was detected in three of the six <br /> groundwater monitoring wells at concentrations ranging from 1.4 to 3.5 micrograms per liter. <br /> However, each of the groundwater monitoring wells are either upgradient or cross gradient from the <br /> soil vapor sampling locations with the highest concentrations. The three monitoring wells with <br /> detections of VOCs are in the vicinity of the area with the highest observed concentrations. <br /> Based on the available data and sampling locations, by 3 December 2002 please submit a work plan to <br /> delineate the lateral extent of pollution in soil and groundwater. OWB needs to collect additional soil <br /> vapor samples to identify pollution in the vadose zone. The work plan should be prepared in general <br /> accordance with the attached Items To Be Included In A Site Assessment Work Plan. If you have any <br /> questions,you may contact me at (916) 255-3119 or by email at lewisd(a),,rb5s.swrcb.ca.gov. <br /> DEVRA LEWIS <br /> Environmental Scientist <br /> Attachment <br /> cc: San Joaquin County Enviromnental Health Department, Stockton <br /> California Environmental Protection Agency <br /> 0a Recycled Paper <br /> The energy challenge facing California is real. Every Californian needs to take immediate action to reduce energy consumption. <br /> For a list of simple ways you can reduce demand and cut your energy costs,see our Web-site at http://www,swrcb.ca.gov/rwgcb5 <br />