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rN <br /> 1t has been evident over the last five decades that the risk benefit ratio regarding pesticides has <br /> It <br /> overwhelming benefit and comparatively low risk to the United States population and to the <br /> environment, as a whole. <br /> With recent advances in fertilizer application technology and awareness of input economics, it is <br /> assumed that fertilizers are applied carefully to the surrounding cropland acreage with the proper <br /> techniques and controls such as soil and leaf tissue analyses. This allows for an equal <br /> distribution of nitrogen,phosphorous and potassium (NPK) for crop uptake,thus preventing <br /> excessive leaching past the root zone. <br /> CONCLUSIONS AND RECOMMENDATIONS <br /> As stated,the facility is operated with a high degree of environmental stewardship. From visual <br /> observations, no surface contamination exists. The probability of subsurface contamination from <br /> pesticides can be considered very low-to-nonexistent. The soil type down to the saturated zone is <br /> predominately silty clay. The biological activities of these finer soil types are higher than in <br /> sandier soils,thus creating a favorable environment for microbial degradation of organic <br /> molecules. <br /> Although the on-site domestic well is outside the 2000 foot radius of Site B, the referenced "well <br /> receptor survey" requested by PHS-EHD may include this well. However, due to the indigenous <br /> clay soils, and the unlined drainage ditch and Sugar Cut acting as a hydraulic barrier, it is <br /> extremely unlikely that the petroleum hydrocarbon release originating from the Spreckles Sugar <br /> Plant has impacted the subject property. This assumption is also based upon the findings that no <br /> migration is occurring. <br /> Contamination from a septic tank is usually dependent upon the age and type of tank <br /> construction material. The on-site septic system is relatively new. Since the density of septic <br /> systems in the surrounding area can be considered very low, impact to the subject property from <br /> sewage effluent is highly unlikely. The density of systems is a prime factor for nitrate <br /> contamination of the underlying groundwater. <br /> Asbestos containing materials (ACMs) testing from any portion of the existing buildings is <br /> outside the scope of this investigation. It appears ACM testing would not be warranted since no <br /> structures are scheduled to be demolished or remodeled. <br /> 5 <br /> Vafley Ag Research <br />