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TAB. <br /> SUMMARY OF GROUNDWATER ANALYTICAIN <br /> AHERN ROAI <br /> Vernalis,San Joaquin <br /> Concentrations in <br /> Collection Date Ammonia <br /> Boring ID Method Sampled :Alkalinity Nitrogen Bicarbonate Boron Calcium Carbonate Chloride Iron Nla-nesium N <br /> GREENING MCL NA NA NA NA NA NA 250 0.3 NA <br /> LEVELS WQO NA 1.5 4 NA 0.6 s NA NA 1066 o." ' NA <br /> S13-4 I grab 9/10/2012 463 10.6 463 1.07 124 <2.0 150 3.01 46.4 <br /> Abbreviations: <br /> CaCO3=Calcium carbonate <br /> CDPH=California Department of Public Health <br /> EPA=United States Environmental Protection Agency <br /> ggw=Grab groundwater <br /> ID=Identification <br /> MCL= Maximum Contaminant Level <br /> mg/L=Milligrams per liter <br /> mmhos/cm=Millimhos per centimeter <br /> NA=Not applicable <br /> QC=Quality control <br /> RWQCB=Regional Water Quality Control Board <br /> SAIC=SAIC Energy,Environment&Infrastructure,LLC <br /> SWRCB=State Water Resources Control Board <br /> TDS=Total Dissolved Solids <br /> WQO=Water Quality Objective <br /> ---=Not available <br /> <=Denotes analyte not detected at or above the laboratory reporting limit <br /> Notes: <br /> 1. Samples were collected by SAIC and were analyzed by Lancaster Laboratories,Inc. TDS were analyzed using EPA Method 160.1,sulfate using EPA Method 300.0, chlori( <br /> nitrate(as nitrogen)using EPA Method 300.0,nitrite(as nitrogen)using EPA 300.0,specific conductance using EPA 120.1,Kjeldahl nitrogen using EPA 351.2,phosphate i <br /> ammonia(as nitrogen)using 350.2,alkalinity(as CaCO3)using SM 20 2320B,bicarbonate(as CaCO3)using SM 20 2320B,carbonate(as CaCO3)using SM 20 2320B,and <br /> using SM 20 2320B. <br /> 2. Results in bold exceed WQOs and/or MCLs. <br /> 3. See Attachment D for data validation results. <br /> 4. WQO(Tastes and Odors)that prohibits adverse tastes and odors or nuisance conditions. <br /> 5. WQO Suggested No Adverse Response Level. <br /> 6. WQO Agricultural. <br /> Sources: <br /> MCLs from EPA(June 2003)and CDPH(February 2009). <br /> WQOs defined in the Central Valley RWQCB Water Quality Control Plan(Basin Plan)for the Sacramento River Basin and San Joaquin River Basin(Fourth Edition),Octob <br /> WQOs may be stated in either numerical or narrative form. Narrative water quality objectives are interpreted by values <br /> from S WRCB A Compilation of Water Quality Goals 16th edition-April 2011. <br /> ESLs from the San Francisco Bay RWQCB Screening for Environmental Concerns at Sites with Contaminated Soil and Groundwater <br /> (Interim Final),May 2008. <br /> Page I— <br />