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INTRODUCTION - Mr. Dan Van Vuren is creating a second parcel from property he owns at 17463 East Gawne 'Road near Stockton, CA. The purpose of this project is to create a homesite parcel which is removed from the remaining property. According to the San Joaquin County Development Title, a Surface and Subsurface Contamination Report (SSCR)must be conducted prior to the time of Tentative Map submittal. The purpose of this report was to investigate the subject property for real or potential environmental contamination and report the findings to the Client and the San Joaquin County Environmental Health Department. This report complies with the San Joaquin County Ordinance, specifically 9-905.12(a) for a "Surface and Subsurface Contamination Report." - �E In addition, this report addresses and evaluates non-point sources of hazardous materials, as well as potential point sources. Non-point sources of hazardous materials include agricultural chemical residues, high concentration of nitrate laden groundwater and the potential for bovine nutrients produced by the dairy to exceed the agronomic capacity of the land owned by Mr. Van Vuren. Point sources investigated include fuel storage tanks, septic systems and/or chemical storage areas. No chemical analysis was conducted for this investigation, nor was there an inspection of the existing structures for asbestos containing materials (AGMs). An analysis of the domestic well 1 serving the Van Vuren's current house, and the well for the dairy was not tested for nitrates and the agrichemical dibromochlorpropane (DBCP). If the project continues as planned, these wells will be tested for completion of the Soil Suitability Study. SITE DESCRIPTION - As illustrated on the attached Assessor's Parcel Map, Parcel 1 will be the homesite Parcel consisting of 3.0+ acres and Parcel l will be denoted as the "Designated Remainder," consisting of 83.89 acres. The homesite parcel and the Designated Remainder are currently planted in pasture grasses, which are not rotated with other crops. These crops provide forage for the Van Vuren Dairy, located on the proposed Remainder. The site is bordered to the north, south, east and west by agricultural production land, including vineyards and pasture, and very low density 1 single family housing. Gawne Road is the south property border and the Little Johns Creek is the north border. The Van Vuren Dairy is an organic dairy and has been organic for the past 10years. Therefore, a— no antibiotics, etc. are used on the animals and no..agrichemicaLs-applied to the cropland. The property has been farmed by the Van Vuren family for the past 51 vears. The region has.been 1 ,e91; dIJ Nally Ag Research 7