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1116 First Street <br /> Page 2' <br /> If sail contamination has not been defined within the estimated scope of work, as time <br /> allows within the budget, additional sail borings should be drilled within the same,phase of <br /> work. If soil contamination can be defined and appears to be limited, PHS/EHD suggests in <br /> addition to chemical analysis, the analysis of parameters which may include: organic <br /> carbon content, soil aeration, soil moisture content, soil pH, microbial population, and sail <br /> nutrient concentration (CNP ratio) that may aid in environmental fate analysis. <br /> Cance the extent of soil contamination has been determined remedial alternatives should be <br /> evaluated. Should groundwater contamination be evidenced, it will be necessary to <br /> perform a groundwater investigation. <br /> If I can answer any further questions or provide regulatory input, please do not hesitate to <br /> contact me at(209)468-0337, <br /> Donna Heran, RENS, Director <br /> Environmental Health Division <br /> Mary Meays, Senior REHS Merg�Lagodo:,ZS <br /> Site Mitigation Unit Lead Senior <br /> MM/11 16 FIRST <br /> cc Elizabeth Thayer, Central Valley Regional Water Quality Control Beard <br />