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Footnotes <br /> 1 Range of highest concentrations in groundwater include the five highest values detected between 3/98 and 8/01. <br /> 2 Reference:A Compilation of Water Quality Goals, Regional Water Quality Control Board, Central Valley Region,August 2003 edition. <br /> 3 When Water Quality Goals or Designated Levels are lower than the method detection limit for the constituent,the method detection limit becomes the cleanup goal. <br /> 4 Range of highest concentrations in soil include the five highest values. <br /> 5Ammonium concentrations are approximated from Total Kjeldahl Nitrogen(TKN)analyses, assuming no organic nitrogen is present in the soil samples. <br /> 6 Taste and Odor Threshold (Amoore and Hautala) <br /> 7 California Primary Maximum Contaminant Level for Drinking Water(Department of Health Services) <br /> 6 One-in-a-Million Incremental California Environmental Protection Agency Cancer Potency Factor as a Drinking Water Level <br /> 9 California Public Health Goal for Drinking Water <br /> 10 California State Action Level for Toxicity(Department of Health Services) <br /> 11 United States Environmental Protection Agency national Recommended Water Quality Criteria/taste and odor <br /> 12 United States Environmental Protection Agency Integrated Risk Information System(IRIS)Reference Dose as a Drinking Water Level <br /> 13 Non-cancer 95th percentile risk based cleanup level for on-site resident child-assuming domestic use <br /> 14 Cancer 95th percentile one-in-a-million risk based cleanup level for on-site resident child-assuming domestic use <br /> 15 Non-cancer deterministic risk based cleanup level for on-site resident child-protection of groundwater assuming domestic use <br /> 16 Cancer deterministic one-in-a-million risk based cleanup level for on-site resident child-protection of groundwater assuming domestic use <br /> 17 Non-cancer deterministic risk based cleanup level for on-site resident child-direct contact including secondary pathways <br /> 18 Cancer deterministic one-in-a-million risk based cleanup level for on-site resident child-direct contact including secondary pathways <br /> Abbreviations <br /> ND (<5.0) Not detected at this detection limit <br /> EDB Ethylene dibromide <br /> DBCP Dibromochlo ro propane <br /> 2,4-D 2,4-dichlorophenoxyacetic acid <br /> HRA Health Risk Assessment <br /> NE Not established <br />