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Final Release LLHL Site 300 (USDOE) <br /> State and Local Health Data <br /> State and local health data were not reviewed because the surrounding public was not found to be <br /> exposed to contaminants originating from Site 300. <br /> IEanvir n tmental Contamination and Pathways Analysis <br /> Introduction <br /> This section discusses the various chemicals and radioactive materials (i.e., contaminants) <br /> evaluated for this site, how persons might come into contact with them, and what populations are <br /> potentially exposed. These discussions are presented for groundwater, air, surface water, soil and <br /> sediment,and food and biota. <br /> EVJqSUj�uPE <br /> � . ; . <br /> A <br /> Transport Medium <br /> hal ion Exp( <br /> srir � <br /> Route'; <br /> 5 c o ; a Release Mechanism <br /> y P3Tht ® s x' (YolatrhzatronJ - <br /> Ingestion E.:p�:Lj Exposur a Source <br /> Route Pile) <br /> ... ® ® Poen , r - <br /> T. L <br /> t 1 edium Ft�#�-s�2-P:}ecfr�7srn <br /> omt (Boit) (Site Leaching) <br /> (Food Chain) <br /> Mater Table -�- <br /> �� <br /> Groundwater FlowOW <br /> . Transport Medium <br /> EOW ,, MR�r � r �'": (Groundwater) <br /> .j - <br /> Figure 4:Pathways of Exposure to Contamination <br /> A release of a chemical or radioactive material from a site sloes not always mean that this <br /> substance will be a contaminant of health concern to an off-site population. ATSDR scientists <br /> first determine if a chemical or radioactive substance in water, air, soil, or biota(plants and <br /> animals) should be considered a "contaminant of concern." The criteria we use include <br /> 1. environmental levels exceeding media-specific comparison values, <br /> 11 <br />