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�t 1.3 REPORT ORGANIZATION <br /> The organization of this risk assessment is outlined below. -Section..2.0 .describes the <br /> YFS site and historical use, climate, and potential human receptor populations. Land <br /> use in the vicinity is also discussed. Section 3.0 provides a brief description of the <br /> sources of data used and identifies chemicals of concern in the soil used in the <br /> quantification of potential health risks for the site. Section 4.0 presents an evaluation <br /> of exposure pathways, exposure point concentrations, and intake parameters. <br /> Descriptions of the modeling of the groundwater concentrations, volatilization flux, and <br /> air concentration are given. Estimates of intake for each chemical of concern are also <br /> presented in this section. Section 5.0, the Toxicity Assessment, describes the toxicity of <br /> the chemicals of concern and how toxicity values are applied in the quantification of <br /> potential health risks and hazards. Section 6.0 Risk Characterization explains the <br /> r xr <br /> methods used for calculation of carcinogenic risks and the noncarcinogenic hazard <br /> indexes. This section also presents a summary of calculated potential health risks for <br /> each complete exposure pathway and receptor population. . -Section 7.0 describes <br /> uncertainties inherent in the current methodology used in the determination of potential <br /> human health from the soil. In addition, site-specific uncertainties and limitation are <br /> Y identified and discussed. A summary of results and conclusion are presented in Section <br /> 8.0. References are cited in Section 9.0. <br /> e' <br /> SALDC\YELLO.RPT May 4, 1995 1-3 <br />