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TABLE 4 <br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS (PAHs)t,zs <br /> VERNALIS OFFSITE <br /> Vernalis, California <br /> Concentrations in pg/l, <br /> v v <br /> a <br /> 41 <br /> v y p v u <br /> 10 1Z <br /> C v <br /> v v O 4 O u M C <br /> v +r, y R Q d rC v H tip 4Z <br /> R R 4 0 0 o O O h N W y <br /> Boring/ Collection Date q <br /> w v '9 c c q c �' ;o a° '� v ; <br /> Well ID I Method I Sampled yv' I ¢�' 1 1 94 <br /> SCREENING WQO 20° --- 2100 5 0.045 0.004 5 0.04 5 --- 0.04 5 0.4 5 0.0085 5 280 5 280 5 0.04 5 21 ° --- 210 5 <br /> LEVELS ESL 20 6 210 7 22 6 0.029 0.049 a 0.029 ' 0.13 6 0.029 7 0.049 8 0.0048 ' 130 6 280 0.048 17 7 210 7 68 6 <br /> SB-26 G 2/27/2008 <0.030 El <0.020 <0.030 <0.030 <0.030 E <0.030 <0.040 E <0.030 <0.020 <br /> <0.030 <0.030 <0.030 <0.040 E 0.068 E 0.052 E <0.030 <br /> SB-27 G 2/27/2008 <0.030 El <0.020 <0.030 <0.030 <br /> <0.030 E <0,030 <0,040 E <0.030 <0.020 <0.030 <0.030 <0.030 <0.040 E 0.12 E 0.063 E <0.030 <br /> SB-28 G 2/26/2008 <0.030 El <0.020 <0.030 <0.030 <0.030 E 0.039 <0.040 E <0.030 0.020 <0.030 0.035 0.033 <0.040 E 0.25 E 0.11 E 0.065 <br /> SB-29 G 2/26/2008 <0.030 El <0.020 <0.030 <0.030 <0.030 E <0.030 <0.040 E <0.030 <0.020 <0.030 0.037 0.031 <0.040 E 0.32 E 0.095 E 0.044 <br /> SB-31 G 2/26/2008 <0.030 0.030 <0.030 <0.030 <0.030 0.031 <0.040 <0.030 <0.020 <0.030 0.038 0.031 <0.040 0.24 0.11E 0.053 <br /> SB-31D G 1 2/26/2008 <0.030 <0.020 <0.030 <0.030 <0.030 <0.030 <0.040 <br /> <0.030 <0.020 <0.030 <0.030 <0.030 <0.040 0.072 0.060 <0.030 <br /> SB-32 G 2/26/2008 <0.030 <0.020 <0.030 <0.030 <0.030 <br /> <0.030 <0.040 <0.030 <0.020 <0.030 <0.030 <0.030 <0.040 0.085 0.067 E1 <0.030 <br /> SB-33 G 2/25/2008 <0.030 0.033 <0.030 0.039 <0.030 0.038 <0.040 <0.030 0.030 <0.030 0.040 0.077 <0.040 0.630 0.11 El 0.045 <br /> Abbreviations: Notes: <br /> <=Denotes analyte not detected at or above the laboratory reporting limit L Samples were collected by SAIC and were analyzed by Lancaster Laboratories,Inc.,using EPA Method 8270C SIM or LVI. <br /> D=Duplicate sample The QC limits for PAHs and surrogate standard recoveries by LVI GC/MS are advisory only until sufficient data points <br /> E=estimated value based on surrogate recovery levels can be obtained to calculate statistical limits. <br /> EPA=U.S.Environmental Protection Agency 2. Results presented in bold exceed WQOs and/or ESLs. <br /> ESL=Environmental Screening Level 3. See Appendix D for data usability summary. <br /> GC/MS=Gas chromatography/mass spectrometry 4. WOO(Tastes and Odors)that prohibits adverse tastes and odors or nuisance conditions. <br /> G =Grab gi oundwater sample collected using peristaltic pump and prepacked well screen 5. WQO(Toxicity)that prohibits toxic chemicals in toxic amounts. <br /> ID=Identification 6. ESL(for protection or current or potential drinking water resource),based on Ceiling Value. <br /> LVI=Large-volume injection 8. ESL(for protection or current or potential drinking water resource),based on Bioaccumulation and Human Consumption. <br /> MCL=Maximum Contaminant Level <br /> PAHs=Polynuclear aromatic hydrocarbons <br /> QC=Quality control Sources: <br /> RWQCB=Regional Water Quality Control Board ESLs from the San Francisco Bay RWQCB Set eeningfm'Environmental Concerns at Sites with Contaminated Soil and Groundwater' <br /> SAIC=Science Application International Corporation (Interim Final February 2005). <br /> SIM=Selective ion monitoring WQOs from the Central Valley RWQCB Water Qualig+Cono at Plan(Basin Plan)for the Sacramento River Basin and the San Joaquin <br /> pg/L=Micrograms per liter River Basin,4th ed.(Revised August 2006). <br /> WQO=Water Quality Objective <br /> Nonr Science ro SodLons <br /> Page I of I <br />