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T h s f § 2.0 PAST, PRESENT AND PROPOSED FUTURE USES OF THE SITE �§ 2.1 Past uses of the property have been as agricultural production, and as the Houston Men's Colony from 1920 to 1984. Present residential structures exist, and anticipated future uses have been defined to be improved with four residential structures. Past agricultural activities around the property may have contributed nitrate to the underlying water aquifers in locales to the west. However, nitrate analysis of the two on-site wells that have been conducted for the upcoming Soil Suitability Study reveal comparatively low nitrate concentrations at 19 ppm for both wells. This nitrate concentration can be attributable to the underlying thick clay soil strata. Present and future agricultural activities on nearby properties and in surrounding areas may contribute potential environmental concerns; however, this may be said of any agricultural operations. Mr. Nahas's ranch is under organic production; therefore, no pesticides or synthetic fertilizers are applied to the subject property. The California Certified Organic Farmers (CCOF) organization has certified his farm as organic with the associated document found in Appendix B. The Direct observations of the entire property reveal the residential and agricultural operations to be relatively clean in comparison to other observed farming operations within San Joaquin County. § 3.0 IDENTIFICATION OF ALL PAST AND CURRENT SOURCES OF CONTAMINATION �§ 3.1 Discussion of the methods used to research and investigate the potential or known above- ground and below ground sources of contamination at the site include the following: The first source of environmental information is the EHD Envisions Program Records. These documents provide all available public environmental information on leaking underground storage tanks and hazardous materials release surrounding the subject property. No listings were noted for"Nahas Ranch" or"George Nahas" or for the physical addresses/APNs listed on the Title Page. The second informational gathering source is direct observation of the entire property, and the Environmental Questionnaire found in Appendix B. The Questionnaire documents environmental information obtained directly from Mr. Nahas. He has lived adjacent to the subject property, and has been familiar with all on-site activities since 1984 when he purchased the property. He is the most knowledgeable of the activities that have taken place on and around the subject property for this 26-year time period. The third informational source is the Geotracker Site List from the State Water Resources Control Board for underground (USTs) and leaking underground fuel tanks (LUFTs). No USTs or LUFTs were noted on the Geotracker Site List in proximity to the site. 1 The fourth and fifth informational source are the 2003 Groundwater Lines of Equal Depth i j and Elevation Maps and USDA Soil Maps found in Appendix C illustrating the depth and directional flow of the underlying groundwater, and the soil type. Page 4- Chesney Consulting