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Working to Restore Nature <br /> 42501 Alnrae street,Suite 100 <br /> Fremont,California 94538 <br /> Phone (510)440-3300 <br />' FAX (510)651-2233 <br /> August 23, 1994 <br /> Mr Michael Karvelot <br /> Director of Environmental Affairs <br /> Quik Stop Markets, Inc. <br /> 4567 Enterprise Street <br /> Fremont, California 94538 <br /> t Subject: Letter Report, Quarterly Groundwater Monitoring, Second Quarter 1994 <br /> Quik Stop Market No 132 <br /> 3555 West Hammer Lane, Stockton, California <br /> 1 <br /> Mr. Karvelot <br /> RESNA Industries Inc (RESNA), is leased to resent this report of the results of the <br /> P P P <br /> quarterly groundwater monitoring, for second quarter 1994 conducted at the subject site <br /> located in Stockton, San Joaquin County, California (Plate 1) The site plan (Plate 2) shows <br /> the location of the station building, adjacent streets, monitoring wells, and other site-specific <br /> features Background information on the site was included in Appendix A of our quarterly <br />' groundwater monitoring report for September 1993 (RESNA, December 1993) <br />' The monitoring wells are sampled quarterly to monitor two shallow groundwater aquifers <br /> underlying the site The program objectives are listed below <br />' • Measure depth of groundwater <br /> • Sample and analyze groundwater samples for selected petroleum <br /> hydrocarbons <br />' • Construct groundwater elevation contour maps within the study area <br /> boundaries <br /> • Compare current and past data <br />' The existence and degree of petroleum hydrocarbons in the groundwater underlying the site <br /> is evaluated by (1) the presence or absence of free-floating product, and (2) laboratory <br />' analyses of groundwater samples to evaluate concentrations of total petroleum hydrocarbons <br /> as gasoline (TPHg), and benzene, toluene, ethylbenzene, and total xylenes (BTEX) <br /> F7132 94/Q24 <br /> t <br /> AUu 2 9 '994 <br />' ENVIRONMENTAL HEALTH <br /> PERMIT/SERVICES <br />