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locations. Also, a brief"tailgate safety meeting"will be conducted to inform the well installation crew of anticipated hazards and the emergency action plan for the site. On-site workers will have Level D personal protection equipment available to them. All drilling,well construction, and sampling activities will be conducted using modified Level D personal protection as appropriate for the activities being conducted. An example of Level D personal protective equipment to be used at the site includes hard hat, safety glasses, steel-toed boots, earplugs, disposable rubber gloves,and disposable overalls. In the event that an injury occurs to any or all of the monitoring well installation team, they will be transported to the nearest hospital that provides emergency room services (Lodi Memorial Hospital, 800 Lower Sacramento Road,Lodi, Ca. 95242, 209-339-7575). Wells borings are to be advanced to an estimated maximum depth of 35 feet below ground level using 8-inch nominal diameter hollow stem augers. Soil samples will be collected at five foot intervals via a split-spoon sampler using California modified Standard Penetration Test. No soil samples are to be submitted for laboratory analysis. Well bore cuttings will be disposed by spreading the cuttings on the ground surface in the on-site cattle pasture area. Well drilling will be observed by an experienced geologist under the direction of a California Registered Geologist. The on-site geologist shall log and describe soil samples consistent with the Unified Soils Classification System, observed drilling procedures,watch for indications of groundwater during drilling, direct well construction activities, record materials used,and act as safety officer. The drill rig and all down-hole tools will be cleaned using a high-pressure,hot water wash prior to drilling. The rig will similarly be cleaned before leaving the site. Soil sampling tools will be cleaned with a non-phosphate detergent (e.g.,Liqui-Nox) after each use. All materials used during well construction will be new and will be kept in original packaging away from potential sources of contamination,until ready to be used. Wells are anticipated to be a total of 30 feet deep. All wells will be constructed of 2-inch diameter, flush-thread PVC well casing to include an anticipated 15 feet (minimum 10 feet) of 10-slot well screen,a minimum of 15 feet of solid surface casing, and a flush-thread solid end cap at the base . The annulus between the well screen and boring wall will be back-filled with #2 drillers sand as the augers are removed to a depth of one to two feet above the top of the well screen. A 1-foot thick bentonite seal will be placed on top of the sand pack, and will be hydrated prior to filling the remaining annulus with a neat bentonite grout. The combination of 2-inch diameter well casing and 8-inch nominal diameter well boring will assure a minimum of a 2-inch annual seal between the well pipe and the well boring. After the grout has cured overnight,a 2-foot square concrete surface seal will be installed,and will include either a flush mount well-head vault or a raised well head enclosure. The well head on all wells will be secured with a water tight well head cap and a padlock. A reference mark will be placed on top of each well casing, and the horizontal location and elevation of the reference mark and ground level will be determined by a Registered Surveyor. It is anticipated that the reference elevation will be NGVD 29 and the horizontal coordinates will be based on the California Coordinate System 83. Depending on well yield,wells will be developed using either a submersible pump for over pumping or using the surge and bail method. All well development water will be discharge to the ground surface. Well development activities will be conducted for at least one-hour at each well. Once the water table surrounding the wells has stabilized, the depth to groundwater will be gauged in each well 6