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Z The Rec-Check document for t ile P dius Map illustrates four.sites south of the property. Site numbers 2 and 3 can be considired upgradient to the subject property with respect to groundwater flow, while sites 4 and 5 can be considered crossgradient. Site 2 was a closed site by the County's request in 1998; however, no closure letter was received. EHD has apparently re-opened this site for further review. Site 3 is under Preliminary Site Assessment. There are several monitoring wells-on this property. Further site assessment will be required to determine the nature and extent of contamination as required by EHD. The LUFT map found in.Appendix C, indicates there are leaking underground fuel tanks (LUFT) 1,000 feet to the southwest of the subject property. These are the two sites listed (2 and 3) above in the Rec-Check document. Itfiis7-highly-imp4roVablu-t-hatTany�of,thr fo'Ur listedFsifies�e�rizl�a�fe�t-Mgr—oundwaleYr un�lc erth`e�suUject property`�uet�he-c��istances�-in��ed. Agricultural spray drift (non-target) from the nearest agricultural production land affecting the property would be extremely remote also due to the distances involved. Since the Stockton region'has been, and continues to be intensely farmed, nitrate contamination of the underlying groundwater from fertilization is always a possibility. § 3.5 Description of all current off-site potential and/or known above and below ground sources of E contamination identified in the area of the project site include those sites referenced in Section 3.4 above. These listed sites can be considered "past off-site sources of contamination that are simultaneously"current" contaminated sources. § 4.0 EVALUATION OF PAST AND CURRENT SOURCES OF CONTAMINATION IDENTIFIED AT OR NEAR THE SITE AND RECOMMENDATIONS FOR FURTHER ACTION § 4.1 Evaluation of each potential and/or known source of contamination identified in the above Sections have been discussed in the respective Sections to facilitate the transfer of information to the reader. C § 5.0 CONCLUSIONS AND RECOMMENDATIONS § 5.1 Evaluation of each point source potential contamination described(i.e., the four LUFT Sites, the adjacent RCRA Site, lead paint and asbestos, and de minimus items such as fiiel cans that may be present at surrounding homesites) and non-point sources (i.e., agrichernical.application and non-target drift, nitrate, and possible DDT soil concentrations) pose a very low-to-insignificant risk to the environment and to human health. Page -5- Chesney Consulting