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i <br /> i 1 l <br /> Second-Quarter 1992 Groundwater Monitoring Report <br /> Tn-Valley Growers, Thornton,California <br /> July 8, 1992 <br /> W21o2 <br /> If you have any questions regarding this project, please contact Bill Channell at our Escalon <br /> office (209) 838-3507. <br /> Respectfully, <br /> RESNA Industries <br /> Sharon A. Young <br /> Microbiologist <br /> Bill Channell - --- <br /> Senior Geologist <br /> Gregory P Stahl <br /> CA Registered Geologist No 5023 <br /> ATTACHMENTS Figure 1: Site Location Map <br /> Figure 2: Groundwater Gradient Map (04/14/92) <br /> Figure 3: Groundwater Gradient Map (05113/92) <br /> Figure 4: Groundwater Gradient Map (06108/92) <br /> Figure 5: Influent BTEX Concentrations vs. Time <br /> Figure 6: Influent TPHG Concentrations vs Time <br /> Table 1• Summary of Groundwater Monitoring <br /> Table 2 Summary of Laboratory Analysis of Water <br /> Samples <br /> Attachment 1: Well Purge Logs <br /> Attachment 2• Laboratory Data Sheets and Chain-of- <br /> Custody Documentation <br /> PC Beth Thayer, CA RWQCB <br /> Juan QuiJano, Tri-Valley Growers <br /> QM061992 SAY 3 <br />