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Identified Contamination Source Evaluation & Recommendations 10. EHD records indicate that eight nearby It appears that some groundwater nitrate wells located within approximately one levels in the vicinity of the Site exceed the mile of the Site have been tested for MCL. DBCP is present in some of the nitrate and DBCP. DBCP was detected nearby wells at levels below the MCL but in four of the eight at concentrations exceeding the MCLG. It is anticipated from 0 024 and 0.10 ttg/L. The MCL set that the domestic well on the Site will be by the US EPA for DBCP is 0.2 ug/L; the tested for nitrate and DBCP as part of MCLG is 0 ug/L_ Nitrate as NOS was standard EHD requirements for the detected in all eight wells at proposed parcel division. concentrations from 10.0 to 89.0 parts per million (ppm). The MCL for nitrate as NOis 45 ppm. (Current off-site) 1 I Agricultural irrigation infrastructure may Old concrete irrigation pipes may contain be present on the Site from past farming asbestos. If any such pipes are to be operations. (Current and past ort-sif6) disturbed, the asbestos content should be determined, and any material found to contain asbestos should be dealt with in accordance with all applicable laws and regulations. 9.0 CONCLUSIONS This SSCR was prepared for the Tavares property, 19642 and 19654 Solsth North Ripon Road, Ripon, California, to identify evidence of any on- or off-site, current or past. sources of contamination. Several potential sources of contamination, most typical of similar properties in the area, have been identified and summarized in Section 8.0. The San Joaquin County Environmental Heath Department will review this report and notify the property owner if any action is required at this time. 10.0 LIMITATIONS This SSCR has been prepared for the exclusive purpose of processing of a land use application through the San Joaquin County Environmental Health Department (EHD). It is authorized for use only by the client and the END, and for a maximum time period of six months from its date of completion. The standard of care employed is typical for this type of report. live Oak does not represent that all existing or potential contamination has been identified, although an attempt has been made to identify typical contamination sources. The SSCR is a document specific to the San Joaquin County Development Title, §9-905.12; it is not equivalent to a Phase i Environmental Site Assessment (ESA), does not comply with ASTM E 1527, cannot be used to provide LOGE 1319 Page 9