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Surface and Subsurface Contam nation Report*APN: 251-050-03*Parcel Nos.14 Designated Remainder A binder entitled"Underground Tank Site Mitigation Database List"also available in the Environmental Health Department's office was consulted and no underground tanks were listed in the binder for the subject property that require any mitigation measures. According to the aforementioned land use maps and mitigation binder, DBCP, Nitrate(NO3) and underground tanks do not appear to be contamination contributors on the subject property. Well Water Analysis: There are no wells on the subject property; so no well water sampling and testing to determine Nitrate (NO3) or Dibromochloropropane(DBCP)concentrations was conducted as a part of this study and report. Domestic water for the home site situate on the west side of South Lammers Road comes from property across Lammers Road to the east. However,"DBCP and Nitrate—Land Use Maps" available in the Environmental Health Department's office were consulted. The subject property is located in an area on the DBCP-Land Use Map where DBCP has not been detected. The Nitrate—Land use Map show the subject property to be in an area where the nitrate concentrations are between 21 and 44 ppm. MitiPation Measures: Since no animals were found on the subject property, no excessive nitrate concentrations are anticipated from animal overpopulation. Also the general public will not be drinking water from the subject property as a part of the planned development; so no correction for excess nitrate concentration is recommended. No chemical residues or spillage of hazardous materials or improper storages were noted on the subject property. Also no recorded failure of the septic systems installed was evident or found to cause any problems of this type of contamination. The subject property has been subjected only to the agricultural use of growing agricultural crops. The San Joaquin County Agricultural Commissioner's records indicate the Tuso family is notifying the proper authorities of intended use of pesticides, herbicides and are applying them in compliance with the rules and regulations for the safe use of them. Also there does not appear to have been any subsurface construction present or past that would contribute to below ground contamination. No well water was tested as a part of this study and report to determine Nitrate (NO3)and DBCP Dibromochloropropane concentrations. However,the maps entitled "DBCP and Nitrate—Land Use"available in the Environmental Health Department's Cam and Marin Than 97160 gnnth I smmnra Rnad Tranv r'alifnmia Q5176 rmm 911;- 5010 R