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TABLES <br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS(TPHd,BTEX,and TDS)1,2,3 <br /> VERNALIS OFFSITE <br /> Vernalis, California <br /> Concentrations inµg/L unless noted <br /> Notes: <br /> 1. Samples were collected by SAIC and analyzed by Lancaster Laboratories,Inc. TPHd were analyzed using EPA Method 8015 Modified <br /> performed both with and without a silica gel-preparation procedure. BTEX were analyzed using EPA Method 82608. <br /> TDS were analyzed using EPA Method 160.1. <br /> 2. Results presented in bold exceed WQOsand/or ESLs. <br /> 3. See Appendix D for data usability summary. <br /> 4. WQO(Tastes and Odors)that prohibits adverse tastes and odors or nuisance conditions. <br /> 5. W QO(Toxicity)that prohibits toxic chemicals in toxic amounts. <br /> 6. Criterion promulgated under State Water Resources Control Board Resolution No.88-63 for beneficial use designation of <br /> MUN; incorporated in the Basin Plan by reference(see source below). <br /> 7. ESL(for protection or current or potential drinking water resource)based on Ceiling Value. <br /> 8. ESL(for protection or current or potential drinking water resource)based on Drinking Water Toxicity. <br /> Sources: <br /> ESLs from the San Francisco Bay RWQCB Screeningfor Environmental Concerns at Sites with Contaminated Soil and Groundwater <br /> (Interim Final February 2005). <br /> WQOs from the Central Valley Region RWQCB Water Quality Control Plan(Basin Plan)for the Sacramento River Basin and the <br /> San Joaquin River Basin,4th ed.(Revised August 2006). <br /> =AT <br /> Dr::: <br /> ..rjW2ff%., <br /> Page 2 of 2 F om Sucnce w solm;oas <br />