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r��72 INTRODUCTION Mr. Dave Kamper is creating a second parcel from property he owns at 9330 East Lathrop Road in Manteca, CA. 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." In addition, the 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 other contaminants which may have originated from a wide area. 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 residential structure for asbestos containing materials (ACMs). An analysis of the domestic well serving the house on proposed Parcel 1 has been tested for nitrates and the agrichemical dibromochlorpropane (DBCP) for the Soil Suitability Study (See VAR# SSS-11.99). The Soil Suitability Study was also required for this project by the San Joaquin County Environmental Health Department. In addition, the Health Department also stipulated that a Nitrate Impact Investigation be performed since this project was a variance of the County Ordinances that promulgated no Parcel may be subdivided less than two acres in size. SITE DESCRIPTION As illustrated on the attached Tentative Map, the Designated Remainder consists of a rectangular shaped, flat 16.8 acre parcel that is planted in one year almond trees. Parcel 1 is slightly elevated from the Remainder and is 1.5 ac. It contains a single family residence that was built more than thirty years ago. The site address is 9330 East Lathrop Road, Manteca and the Assessors Parcel Nos. are 208-040-11, 12. The site is bordered to the north, south and west by agricultural production land and rural, single family housing (ranchettes). It is currently zoned AG-40. There is a South San Joaquin Irrigation District easement traversing the property. The property has been farmed in almonds literally since the turn of the century. The region has been dry land and irrigated farmed, particularly in orchards, vineyards, and row crops for the last several decades. There is very slight possibly of minute volumes of pesticide drift originating from the surrounding acreage. Irrigation is provided from irrigation wells and the irrigation Lthe ct. An on-site domestic well and septic system serves the house. Storm drainage flows to mond orchard. The property is not subject to the 100-year flood. 2 Halley Ag research