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3 Surface and Subsurface Contamination Report---------APN:209—310-30 ---Parcel Nos. L and 2 5A& 5B): North-south irrigation line and standpipes looking north along easterly property line of the subject property. Irrigation is conducted from east to west on the subject property. Many of the items viewed in the attached photographs are easily transported; so none of the positions of the items or locations may be the same as those described above on any property search conducted subsequent to April 19, 2002. The subject property is subject to flooding under 100-Year flood conditions. No ground discolorations or spillages of chemicals were found.. On the date of the search, any pesticides herbicides, chemicals and fertilizers were stored in the semi- circular galvanized metal shop building and properly stored under lock and key. No fuel dispensing tanks were noted. Also the visual above ground property search did not reveal any vent pipes, excavated areas or other evidences of below ground contaminant sources. No excavations were made as a part of the property search, however. Possible Septic Contamination:Existing San Joaquin County records of septic system permits in the immediate area of the subject property as well as the area in the immediate vicinity of the subject property were reviewed. A total of six(6) septic permits were reviewed and none of them were for the subject property. Five (5) of the septic permits involved the installation of leach fields with from two(2)to ten(10)lines in them varying from fifty(50)to one hundred(100')feet in length. One (1) permit was for constructing a filter bed seven(7) feet wide and one hundred(100)feet in length. One(1) of the septic permits classified the soil as loam. One septic permit classified the soil as clay loam. Two (2)permits classified the soil as adobe. One(1)other permit classified the soil as adobe plus sand and the remaining did not contain a soil classification. No permits were noted for repairing any of the facilities subsequent to their installation. From the historical septic records there is no indication of septic contamination. Possible Nitrate Pollution: No animals were seen on the subject property so there does not appear to be any undue nitrate concentrations because off an overpopulation of animals. Possible Chemical Use Contamination In Crop Production: The pesticides and herbicides used in managing and controlling insects and mites, nematodes and weeds in the production of alfalfa is contained in"Appendix 11", entitled"Alfalfa Pesticides and Herbicides List"which is attached to and made an integral part of this report. RAID R Rnarac 16147 wact RPthanv Rand Trw v f A A1;171;-7111 PhnnP- (71191 915—ROW) 14