Laserfiche WebLink
PUBLIC HEALTH SERVYCES <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION ` ` <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue,Third Floor• Stockton, CA 95202 �oa� <br /> 209/468-3420 FILE C <br /> PHIL COPPLE <br /> CENTRAL CALIFORNIA TRACTION CO NOV 031999 <br /> 2201 W WASHINGTON #12 <br /> STOCKTON CA 95203 <br /> RE: Central California Traction Co SITE CODE: 1536 <br /> 1645 Cherokee Lane <br /> Stockton CA 95205 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) <br /> has reviewed the"Final Report-UST Investigation" dated September 1999, that was <br /> prepared by URS Greiner Woodward Clyde (URSGWC) for the above referenced site <br /> and has the following comments. <br /> On August 2-3, 1999 five exploratory soil borings were advanced on site. Soil samples <br /> and one grab groundwater sample were collected. Analytical results from these samples <br /> evidenced significant petroleum hydrocarbon contaminant impact to soil and <br /> groundwater in the area of the former diesel underground storage tank (UST). <br /> Soil boring SBA was advanced through the former diesel tank pit. Total Petroleum <br /> Hydrocarbon as diesel (TPHd) was detected in soil samples from this boring to 40-feet <br /> below surface grade (bsg) at levels ranging from 1,400 parts per million (ppm) to 22,000 <br /> ppm. No benzene, toluene or methyl tertiary butyl ether(MTBE)was reported in soil <br /> samples from this boring, but the detection limits used in the analysis were raised above <br /> acceptable limits. The acceptable detection limits for these compounds is 5.0 parts per <br /> billion (ppb) in soil and 0.5 ppb in water. <br /> The report recommends that further investigation of this site is necessary. PHS/EHD <br /> concurs with this recommendation. The lateral extent of the soil contamination has not <br /> been defined to the west of the former UST tank pit area. The vertical and lateral extent <br /> of the groundwater contamination has not been defined. Groundwater monitoring wells <br /> will be required. Please prepare a work plan to address each of these issues and submit <br /> it to PHS/EHD by December 29, 1999. <br /> If you have any questions or comments please call Lori Duncan at (209)468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> Lori Duncan, Senior REHS Margar t Lagorio, REHS <br /> Site Mitigation Unit IV Supervisor, Unit IV <br /> cc: Mark List, CVRWQCB <br /> Albert Ridley, URSGWC <br /> A Division of San Joaquin County Health Care Services <br />