Laserfiche WebLink
ill , .1),k, <br />PUBLIC HI ALTH SERVI_�IS <br />SAN JOAQUIN COUNTY `S � <br />ENVIRONMENTAL HEALTH DIVISION , <br />Karen Furst, MD., MPH, Health Officer �1 I FEB 4 <br />• <br />C. <br />304 East Weber Avenue, Third Floor • Stockton, <br />209/465-3420 <br />PAUL SUPPLE <br />ARCO PRODUCTS CO <br />P O BOX 6549 <br />MORAGA CA 95470 <br />RE ARrO Station #4932 <br />16 E Harding Way <br />Stockton CA 95204 <br />FEB 112000 <br />SITE CODE 1136 <br />San Joaquin County Public Health Services, Environmental Health Division (PHSIEHD) <br />has reviewed the "Soil Sampling during UST, Product Line, and Dispenser Removal <br />Activities" dated December 10, 1999 that was submitted by SECOR International Inc <br />(SECOR) on behalf of the above referenced site and has the following comments <br />Three underground storage tanks (UST) associated piping and dispensers were <br />removed under permit and inspection from this site between May 25, 1999 and June 9, <br />1999 Soil samples for analysis were collected and results indicated that contamination <br />by petroleum hydrocarbons had occurred in both the former tank pit and dispenser <br />island areas Limited over -excavation of both impacted areas was performed on June 9, <br />1999 Analytical results from the soil samples collected under the dispenser island area <br />following the over -excavation showed increasing levels of contamination to 8 5 feet <br />below surface grade (bsg) Over -excavation samples from the tank pit showed <br />decreasing levels of contamination with depth to nearly all non -detect with the exception <br />of sample T -3S@19', which had 579 parts per million (ppm) MtBE <br />The report recommends that a site assessment be conducted to define the extent of <br />hydrocarbons in soil beneath the site PHSIEHD concurs with this recommendation <br />Please prepare a work plan to begin the investigation of the vertical and lateral extent of <br />the documented petroleum hydrocarbon contamination at this site ana submit it to <br />PHSIEHD by April 14, 2000 <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 />LXX q,, G( ` � lM� Ol i.. <br />Lori Duncan, Senior REHS <br />LOP/Site Mitigation Unit IV <br />cc Marty Hartzell, CVRWQCB <br />Rusty Benkosky, SECOR <br />Margar Lagono, �HS <br />Supervisor, Unit IV <br />A Division of San Joaquin Countv Health Care Services <br />