Laserfiche WebLink
PUBLIC'HEALTH SERVICES <br /> Ppu,N <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M. D., M.P.H., Acting Health Officer <br /> 304 E. Weber Ave., Third Floor • P. O. Box 388 • Stockton, CA 95201-08 � <br /> �EPg6 u U <br /> PAMELA LOPEZ 2091468-3420 <br /> PO BOX 393 <br /> THORNTON CA 95686 <br /> Re: Lopez Property Site Code: 1930 <br /> 26500 Nowell Road <br /> Thornton CA <br /> San Joaquin County Public Health Services, Environmental Health Division {PHS/EHD} has <br /> completed review of the "Third Quarter 1996 Groundwater Monitoring Report" dated <br /> September 18, 1996 which was prepared by Fugro West. PHS/EHD has the following <br /> comments for your consideration. <br /> The report included the results of groundwater samples collected on August 22, 1996. Please <br /> provide PHS/EHD notice at least two working days prior to initiating any field activities, so that <br /> inspections can be scheduled. As you are aware, PHS/EHD makes periodic inspections of <br /> sampling events, but cannot provide inspections of each sampling event. Therefore, PHS/EHD <br /> reviews the sample field data sheets that should be included with the quarterly reports. Field <br /> notes were not included within this report. Please submit field notes from the August 22, <br /> 1996 sampling event and from the fourth quarter sampling event within the next quarterly <br /> report. <br /> PHS/EHD requested that a work plan be submitted within the third quarterly report to evaluate <br /> remedial alternatives for the soil and groundwater which has been evidenced. A work plan <br /> was not included. Please note the following particular site conditions: the three existing <br /> monitoring wells are screened to 18 or 20 feet below ground surface; the groundwater <br /> sample which was collected below 20 feet from boring SBA documented groundwater <br /> contamination of 26,000ug/I TPH-gasoline and 530 ug/l benzene; and soil contamination was <br /> evidenced to 33 feet in SBA2 with the highest soil contamination detected at 16 feet with <br /> 5,500 mg/kg TPH-gasoline and 22 mg/kg benzene. Please submit a work plan to continue the <br /> remedial investigation with the fourth quarterly report due December 30, 1996. <br /> If you have any questions or to schedule an inspection, please contact me at (209)468-0337. <br /> Donna Heran, RENS, Director <br /> /Environmental Health Division <br /> o, REMary Meays, Seno EHS Ma <br /> Site Mitigation Unit Supervisor <br /> MM126500.NOW <br /> cc: Elizabeth Thayer, CVRWCQB <br /> Ismael Jacabo, Lockwood, SWRCB <br /> Steven Osborn, Fugro West <br /> A Division of San Joaquin County Health Care Services <br />