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TABLE 3 <br /> GROUNDWATER ANALYTICAL RESULTS (PAHs) <br /> VERNALIS PUMP STATION <br /> Vernalis, California ` <br /> Concentrations reported in pg/L unless noted <br /> a �ro A <br /> -C <br /> cv ro -0 40 -� ro y o <br /> C u �- �C C ar <br /> 4 <br /> Date <br /> Sam le ID I Collected <br /> _. 2 t <br /> _ _ 2 <br /> z. <br /> z l <br /> t..:.__: 04 21; <br /> ._ _ ...-.._ _.._ -.: - _ 4085 <br /> ItEENING... .__ . . .. . _.. . _... : 0 04 0. 04 _.,.,:: .0.04 _..._. . ..... . _ . ..:.:. - ... - <br /> SC 0 .. . . 20.. .. _..._. 21.0U. _. 0 ._. ....- .. - <br /> Q. <br /> 5 7 _. =�1 6 7 ; <br /> _ 67_ 4567...-,. <br /> 5 67_.... ._. . 46 <br /> 56 567 567 - 567 _ <br /> _.... <br /> 4. . 1 <br /> _..::0.35 _ . . 0.004 .. <br /> 0;029 . _. ..... <br /> L1VEL _ -. ,:. _. ,, . ,: 0 1.4 429::. _.0.13 ;. <br /> 20 ... 210 . ....... .. __ 22 . 0,029..... ._... .0 ... 0 _..... . _ . . <br /> MW-6 10/29/47 <0.0095 <0.0095 <0.0095 <0.0095 <0.0095 <0.0095 <0.0095 <0.0095 <0.0095 <0.0095 <0.0095 <0.0095 <0.0095 0.010 J <0,0095 <0.0095 <br /> < 050 <4.OI <br /> D <0.o10 <br /> < 014 <4 0l0 <br /> <0 010E 0 <br /> (cont.) 0l/29/48 <o.olo <a.410- <0.01-0 <0.010 <0.4050 E <0.010 <o.o>a E <0.410 <o.Dlo <0.0450 o _ - -__ - <br /> <00iD <br /> <D.o 14 <o <br /> 010E 0 031 <br /> J <0.414 s <br /> 04/09/48 <0.010 <0.010 <U.OIQ <0.010 <0.010 E <0 010 <0.410 E <U.010 <0.010 <0.010 <0 4I0 _ <br /> 07/17/08 NS ._ . -.. NS NS NS NS -._ . .NS NS _NS. .. NS NS. . NS NS NS NS NS NS <br /> 07/19/05 0.05 <0.42 <0.02 <0.02 <0.02 <0.02 <4.02 <0.01 <0.02 <0.02 <0.01 <0.01 <0.02 0,04 0.01 <0.02 <br /> 10/18/05 0.2 <0.02 <0.02 <0.02 <0.02 <U.02 <0.02 <0.01 <0.02 <0.42 0.01 0.02 <0.02 0.06 0.06 <0.02 <br /> 01/25/06 0.024 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.01 <0.02 <0.02 <0.01 0.019 <0.02 0.046 <0.01 <0.02 <br /> 05/04/06* 0.22 E <0.02 <-0.02 <0.02 <0.02 <0.02 <0.02 <0.009 <0.02 <0.02 <0.009 0.023J..J <4 02 4.023 J ...0...039 J 0.925 J <br /> 4/0 0 02 <br /> OS/U6D 0, 59 J <0. E <0.02 E <0.02 E <0.02 E <0.02 E <0.02 E <0.009 E <0,02 E <0.02 E <0.009 E <0.009 E <0.02 E <0.009 E 0.014 J <0.02 E <br /> 08/14/06 <0.01 <002 <0.02 <0.02 <0.U2 <0.02 <0.02 <0.01 <0.02 <4.02 <0.01 <0.0 1 <0.02 <0.0 I <0.01 <0.02 <br /> 08/10/06D <0.01 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0,01 <0.02 <0.02 <0.01 <0.01 <0.02 <0.0 I <0.01 <0.02 <br /> 11/07/06 <0.01 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.Q 1 <4.02 <0.02 <0.01 0.014 J <0.02 0.027 J <0.01 <0.02 <br /> MW-7 01/24/07 0.033 J <0.02 <0.02 <0.02 <0.42 <0.02 <0A2 <0.009 <0.02 <0.02 <0.009 <0.009 <0.02 0.050 <0.009 <0.02 <br /> 05/01/07 <0.01 <0,01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.0 I <0A1 <0.01 <0.0.1 <0.01 <br /> 05/01/07D <0.0 I <0.01 <0.01 <0.01 <0.0 I <0.01 <0.01 <0.01 <0.0 I <0.0 I <0.01 <0.01 <0.0I <0.0 I <0.01 <0.0 I <br /> 08/06/07 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 <0.0098 0.012 J <0.0098 <0.0098 <br /> 10/29/07 0.019 J <0.0096 <0.0096 <0.0096 <0A096 <0.0096 <0.0096 <0.0096 <0.0096 <0.0096 <0.0096 <0.0096 <0.0096 0.028 J <0.0096 <0.0096 <br /> - <br /> 01/30/08 0.057 <0.010 0.014 <Q.010 <0.0050 E <0.014 <0.010 E <0.010 <0.010 <0.0050 <0.010 <0.010 <0.010 E 0.055 <0.0.10 <br /> 4 OI 1 <br /> - - - ....... - <br /> 04/09/08 0.018 J <0.0099 <0.0099 <0.0099 <0.0499 <0.0099 <0.0099 E <0.0099 <0.0099 <0.0099 <0.0099 <0.0099 <0.0099 E 0.018 J <0.0099 <0.0099 <br /> 47/17/08 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <br /> 7/17/08D NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS N5 <br /> Abbreviations: Notes: <br /> <=Analyte not detected at or above the laboratory reporting limit shown Values in bold exceeds either the WQO or ESL or both. <br /> D=Duplicate sample(labeled differently on chain-of-custody form) Starting with the second quarter 2006,laboratory analytical data are being qualified and flagged as appropriate.Please see the respective Data Usability Summary <br /> DTW=Depth to water section of the reports for detailed information on the qualifiers used. <br /> E=Indicates the reported value is estimated due to quality control results I, WQO(Tastes and Odors)that prohibits adverse tastes and odors or nuisance conditions. <br /> ESL=Environmental Screening Level 2. WQO(Toxicity)that prohibits toxic chemicals in toxic amounts. <br /> ID=Identification 3. ESL for groundwater protection(drinking water source),based on"Ceiling Level(Nuisance/Aesthetic Concerns)." <br /> J=Indicates the reported value is an estimated concentration detected between the method detection limit and limit of quantitation. 4. ESL in groundwater for human health protection,based on direct contact exposue pathways and the California Primary MCL: <br /> MCL=Maximum Contaminant Level 5. ESL in groundwater for the protection of ecological receptors. <br /> MW=Monitoring well 6. ESL in surface water for protection of human health. <br /> NS=Not sampled 7. ESL in surface water for protection of ecological receptors. <br /> PAHs=Polynuclear aromatic hydrocarbons S. Not sampled due to the presence of SPO. <br /> RWQCB=Regional Water Quality Control Board 9, No longer required to sample PAHs <br /> SPO=Separate-phase hydrocarbon 10.There was insufficient volume of water in the well for sample collection. <br /> WQO=Water Quality Objective 11. Not monitored on a quarterly basis per RWQCB. <br /> iug/L Micrograms per liter 12. Well damaged;not monitored/sampled. <br /> 13. Well not accessible. <br /> Sources: <br /> ESLs from Screening for Environmental Concerns at Sites with Contaminated Soil and Groundwater (Interim Final),San Francisco Bay RWQCB(May 2005 update). <br /> WQOs from Water Quality Control Plau.(Basica Plan)for the Sacramento Riser Basin and the San Joaquin RiverBasin,4th ed. (revised August 2006). <br /> i <br /> o <br /> From Science to Sofaflnns <br /> Page 3 of 3 <br />