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. Y Kennedy/Jenks ConsuFtants moisture observations recorded in Title 27 monitoring well boring logs and the corresponding depth interval of that moisture. Figures 5 through 7 present cross sections on which the following discussion is based. Experience at the Site shows that a field geologist will typically note much of the boring as "moist" or"damp", and these moisture notations are native moisture in the soil or condensation from the friction of drilling, not free water(or saturated conditions), and is held in the soil by tension, or negative pore pressure. These are not water-bearing zones. The moisture analysis "ignores" moisture that is noted as moist or damp, as these are not potential water bearing zones. Well MW-12 has "very moist" logged for a silty sand (SM) layer from 48-49 feet bgs, sandy gravel (GM) layer from 49-50 feet bgs, sandy gravel (GM)from 60-62 feet bgs, sandy clayey silt (ML) from 62-63 feet bgs, silty sand/sandy silt from 63-65 feet bgs, and "wet" logged for a silty sand/sandy silt from 65-68 feet bgs. One additional sandy gravel (GM) is logged as "moist/wet" from 82-82.5 feet bgs. Three target zones are identified for potential shallow water and/or zones of higher hydraulic conductivity: 1) 48-50 feet bgs, 2) 60-68 feet bgs, and 3) 82-82.5 feet bgs. It should be noted that the third target zone above (82-82.5 feet bgs) is a sandy gravel that appears to correlate with a sandy gravel inside the screened interval of Well MW-18, which has gone dry (Section 3.1.2). If this sandy gravel layer does correlate with the Well MW-18 screened interval, it is possible that it has drained (dried) in the process of water levels in Well MW-18 falling below the screened interval. Well MW-17 likely did not penetrate the entire water bearing zone as Well MW-18 (installed approximately 10 feet to the south) has "wet" logged for an additional four feet below the bottom of the screen of Well MW-17. The target zone identified for potential shallow groundwater is 65-70 feet bgs. It should be noted that two additional wells are installed in this zone, Wells MW-19 and MW-21, water was not encountered during installation, and water has not appeared since quarterly monitoring began in 2006. It is possible that water is not present in this zone, but it will be evaluated during drilling. Well MW-18 has a clayey gravel (GC) logged as "wet"from 80-81 feet bgs. The top of the screen intercepts this clayey gravel layer, and the filter pack extends an additional three feet above it. If there were water present in this zone, it would be observed in Well MW-18. There are no target zones identified by examining the boring log for Well MW-18 or cross sections. Well MW-22 has two silty gravel zones identified in the boring logs, one from 55.5-59 feet bgs with no moisture notation, and the other from 70-80 feet bgs which is logged as "dry'. Target zones identified from the boring log of Well MW-22 for a zone of higher hydraulic conductivity are 55-59 feet bgs and 70-80 feet bgs. 3.3 Groundwater Flow Direction Groundwater elevation contours cannot be drawn for existing conditions in the intermediate zone of the Title 27 groundwater monitoring network because there are not a sufficient number of active wells. There are however, sufficient historical data and overlap between wells that have since gone dry to draw a historic groundwater elevation contour map (Figure 8) using groundwater elevation data from Wells MW-1 OR, MW-12, MW-18, and MW-22. For this Work Work Plan for Improved Detection Monitoring Program Page 7 Musco Family Olive Company, Tracy, California a cs emupWnnwcbON20104mm�wlwN mwWe�27_emmWeaumpwlreport text-09-26.doc