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�- GROUNDWATER <br /> TECHNOLOGY, INC. 1401 Ha1%ard Dn,c Sultc 140 11 Lst SdCrdMLnto CA9%T (916)3 72-4 700 <br /> FA\(916).372 8781 <br /> November 15, 1993 Project No 02020 1211 <br /> ' Mr Bob Vasquez <br /> The Southland Corporation <br /> 5820 Stoneridge Mall Road, Suite 310 <br /> Pleasanton, CA 94588 <br /> ' SUBJECT Third Quarter 1993 Monitoring„and Sampling Report <br /> Southland Site No 20680 <br /> 9110 Thornton Road, Stockton, California <br /> Dear Mr Vasquez <br /> This Third Quarter 1993 MonitorinQand Sampling Report presents the results of monitoring and <br /> sampling activities performed by Groundwater Technology, Inc between July 1 and September 30, <br /> 1993, at The Southland Corporation (Southland) Site No 20680 located at 9110 Thornton Road in <br /> Stockton, California (Figure 1) The store is on the northern corner of Thornton Road and Waudman <br /> Avenue in a mixed commercial and residential area (Figure 2) <br /> Activities during this reporting period included <br /> Monitoring available groundwater monitoring wells for depth to water (DTW) <br /> Collecting and submitting for analysis groundwater samples from monitoring wells, <br /> former pumping wells PW-1 through PW-3, and RW-1 on September 29 and 30, <br /> 1993 <br />' Collecting groundwater samples from domestic wells 9036, 1912, 9140, 9156 and <br /> wells at the Ivy Motel and Kingdom Hall on a monthly basis <br /> GROUNDWATER MONITORING DATA <br /> The DTW in the groundwater monitoring wells was monitored according to Groundwater <br />' Technology's Standard Operating Procedures (SOPS) on September 29, 1993 The monitoring data <br /> are presented in Table 1 Groundwater in the monitoring wells was allowed to stabilize to <br /> atmospheric pressure before the DTW was measured to the nearest 0 01 foot from the top of the <br /> well casing, using an INTERFACE PROBE TV Well Monitoring System <br />' Officce throughout the 1 5 ranudu and 11t c r%( <br />