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r <br /> 2.7 Proximity of Private, Municipal and Irrigation Wells: <br /> Well location data within a one-half mile radius of the site has been requested from the <br /> Department of Water Resources, San Joaquin District, (DWR) but have not yet been obtained <br /> Well proximity data will be present in the next report <br /> 1 <br /> ' 3.0 METHODS AND PROCEDURES <br /> A subsurface site investigation will be performed to help characterize current soil conditions at <br /> the site The investigation will consist of drilling and sampling 3 soil bonngs <br /> All field activities will be conducted in accordance with the site specific Health and Safety Plan <br /> (Appendix 11) and protocols (Appendix III) The field investigation will be conducted under the <br /> supervision of a California Registered Geologist <br /> ' A problem assessment report will be prepared according to RWQCB guidelines summarizing the <br /> findings of the investigation The registered geologist will review and sign the problem <br /> assessment report <br /> 3.1 Soil Borings <br /> The proposed soil bonngs will be advanced in the vicinity of the former tank location as shown <br /> ' on Figure 3 All bonngs will be advanced using a hollow-stem auger drill ng to a total depth <br /> of 40 feet below grade, 10 feet beyond hydrocarbon impaction, to groundwater, or to auger <br /> ' refusal, whichever is first encountered <br /> ' Drill cuttings will be logged continuously for characterization of contamination and soil type by <br /> a geologist using the Unified Soil Classification System Descriptions of soils encountered and <br /> ' monitoring well construction details will be recorded on boring/well logs and included in the <br /> assessment report <br /> 1 <br /> All borings will be sampled at 5-foot depth intervals using a split-spoon sampler with brass <br /> liners The materials from one sample liner will be described and field screened with a <br /> WP012892 TIL 3 <br /> 1 <br />