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4.0 GROUNDWATER INFORMATION SECTION 4.1. Description of the depth and gradient4 granndwate in the general area: The depth to ground water in this area is approximately 140 feet ac ording to the map of"Lines of Equal Depth to Groundwater" published Sprin�b -t a San Joaquin County Flood and Water Conservation District. The gradient descends from east to west. 4.2 Description/discussion of any existing and/or potential groundwater contamination issues in the general location of the site: The concerns for groundwater contamination in this area are deemed moderate due to the depths involved. Insecticides, pesticides, and fertilizers typically do not -- impact groundwater at these depths, however, as with any agricultural area, there is always potential for contamination due to chemicals used in the farming operation. -- 4.3 Description of location (address/APN), type and construction of well and location (well head/kitchen tap) where water sample(s) were obtained: Water samples were taken from the well head located at 1933 N. Escalon Bellota Road on August 17, 2010 by Mike Toy of Dillon &Murphy. 4.4. Description of constituents being tested for in the water sample: Constituents being — tested are,nitrates and dibromochloropropane (DBCP). 4.5 Description of how sample was obtained, handled, stoied, and transported to the — lab: The water samples were obtained from the,�etl 4g4d.l Gated at 1933 N. Escalon-Bellota Road. The samples were taken by Mike Toy of Dillon&Murphy, and driven directly to precision Environ-Tech. The samples were taken and handled in accordance with Precision Environ-Tech — requirements. The results from the test can be found in the-Appendix. 4.6 Complete Chain of Custody document, including printed and signed name of third party sampler, condition of sample and date and time the sample was submitted to the lab. For Laboratory samplers, complete laboratory report to include the above noted information: The complete chain of custody document is located in the Appendix. 5.0 SOIL PROFILE INFORMATION SECTION 5.1 Site map showing the location, with dimensions, of the soil profiled pit on the parcel. See Appendix. 5.2 Description of Soil Profile Pit Including Depth and Dimensions: The shallow test hole was prepared per County Standards. The hole was excavated to a depth of 42 inches and 12 inches in diameter. It was backfilled with 2 inches of"pea gravel'. 5.3 Description of Soil Lithology as Noted from Test Pit by Appropriate Professional Using Industry Standard Protocol: The soil in this area is classified as Redding Gravelly Loam as stated in the Soil Survey of San Joaquin County, California as provided by the United States Department of Agriculture, Soil Conservation Service. 2 Y:IDMDOC1200910990 ESCALON-BELLOTA ROAD PPARCEL MAP1Soil Suitability Study 090110.doc