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I <br /> REAM MEW'AN <br /> ` Working to Restore Nature <br /> ' 42501 Albrae Street <br /> 9 <br /> remont,California4538 <br /> V E UP" <br /> Phone; ,Cal 440-330094 El <br /> FAX: (510)651-2233 <br /> 1 0 CT 2 1 1992 p <br /> October 7, 1992 ENVIRONMENTAL HEALTH <br /> ' Project No. F7132.32 PERMIT/SERY 5 <br /> Quik Stop Markets,Inc. <br /> 4567 Enterprise Street <br /> ' Fremont, CA 94538 <br /> Attention: Mr.Jack Griffith <br /> ' Subject: June 1992 Quarterly Groundwater Sampling and Analysis <br /> Quik Stop Market No. 132 <br /> 3555 West Hammer Lane <br /> Stockton, California <br /> Dear Mr. Griffith: <br /> RESNA Industries Inc., is pleased to present this report of the results of the June 1992 quarterly <br /> groundwater sampling and analyses conducted at the subject site in Stockton, San Joaquin County, <br /> ' California (Plate 1). The site plan (Plate 2) shows the current location of the station building, <br /> adjacent streets, monitoring wells, and other site-specific features. Background information on the <br /> site is included in Appendix A. <br /> ' The monitoring wells are sampled quarterly to monitor the shallow groundwater underlying the <br /> site. The program objectives are listed below: <br /> ' - Measure depth of groundwater <br /> - Plot groundwater contour surface within the site boundaries <br /> - Sample and analyze groundwater samples <br /> ' - Compare current and past data <br /> The existence and degree of petroleum hydrocarbons in the groundwater underlying the site is <br /> determined by (1) the presence of free-floating product, and (2) laboratory analyses of <br /> groundwater samples to determine concentrations of total petroleum hydrocarbons as gasoline <br /> (TPHG), as well as benzene, toluene, ethyl benzene, and total xylenes (BTEX). <br /> ' Groundwater Sampling <br /> Groundwater samples were collected from the five monitoring wells on site in accordance with <br /> RESNA's groundwater sampling protocol (Appendix B). Groundwater purged from the wells and <br /> equipment decontamination water was placed in drums approved by the Department of <br /> Transportation for this purpose and left on-site pending removal by a licensed hauler. The volume <br /> 1 <br />