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255-180-15 255-260-16 <br /> MW-5 GW 255-260-17 CA5000254 <br /> - - - - - - - - - ---------- - - - - - - - - - - - - 01/23/07 04/30/07 01/28/08 <br /> All constituents NE NE NM <br /> WF$MW_2 WFSMW-3 <br /> 255-180-05 I-I--+ rrr +—+—+—+—+—+—+—+—+—+—+ '--r—t—+—+—+—+—+—+—X <br /> ___----------- GW �X 255-260-07 .._.._.._.._.._.._.._.._.._.._. <br /> -�I WFSMW-1 �X `^I <br /> I I 01/23/07 04/30/07 01/28/08 � � ' , <br /> .F y <br /> r � <br /> ti TPHd 390 630 NM + /yam 1 <br /> W <br /> o + o *WFSSW-1 <br /> oI 00 255-180-08 / + <br /> 00 7 One former 10,000-gallon Diesel UST I 255-260-06 <br /> L0 U7 One former 10,000-gallon Gasoline UST + <br /> .Former Gas Station <br /> N One former 5,000-gallon Gasoline UST <br /> � c4 , -F , Western I MW-5. •, 1 <br /> Farm Service + i <br /> • ..••• Pum Island 255-260-05 255-260-04 <br /> +—+—+4+—+—+—+—+—+ +—+—+—+—+ WFSMW-1 �••• <br /> � p <br /> ------------ -------------------- GW :..� <br /> 01/23/07 04/30/07 01/28/08 1/28/08DUP : 1 <br /> g TPHd NS-WV NS-WV 1,600. 1,800. "� �1- - <br /> o <br /> Benzo(a)anthracene NS-WV NS-WV 0.033 0.059 <br /> „ State Highway 33 Benzo(a)pyrene NS-WV NS-WV 0.015 0.029 <br /> N - - - - - - - ---------------- -------------------------------------- Benzo b fluoranthene NS WV NS-WV 0.024 0.032 ��; <br /> cc Ch sene NS-WV NS-WV 0.30 0.37 �y <br /> N <br /> • 255-260-08 <br /> g 255-18014 __ �• _ <br /> Lu <br /> -+—+ -MW-2.*------------------------------------------(NS-SP-O)-&MW-1.* -- --MW-------- <br /> i+ (NS-SPO) ,,,,,,,������������������==� r�=#% <br /> VERNALIS <br /> ;eKl —+—+—+—+� �'�., .� ti X P U MP STATION <br /> • •------ X77 �•. <br /> W -------------------------------------------- -- --1-+ ' 255-180-09 �o�, •�,jc` 255-260-03 <br /> z =____________����—�������������������� �'' ' + Insulair Building �'�� r•�C . <br /> jFormer + (Former U.S.Canning Company&Hunter Container Company Building) <br /> aPercolation + 1,000-gallon UST ♦SVV1 •��~� .,X <br /> x ! I I Pond / MW-4•� '��'. <br /> Lu <br /> 1 100,000-gallon a` �►;�. <br /> • <br /> V + Water tank <br /> (=�7 I i `- <br /> 1.± umpi-°.f -j; :---f ,f.��:�,: i:�.: ,: - _-� <br /> .�� <br /> a MW-4 GW �. <br /> ° 255-180-02 01/23/07 04/30/07 01/28/08 <br /> o All constituents NS-WV NS-WV NE <br /> 3 ® <br /> 0 50 100 Map is a relative representation of current and historical data and should be verified prior to any underground work. PETROLEUM DISTRIBUTION <br /> 2 Monitoring Well location Historical Old Valley Pipeline(OVP) �uasco; San Joaquin County TPHd=Total Petroleum Hydrocarbons quantified as diesel IN GROUNDWATER <br /> ° (US Can-Welty Road) =t�__' Assessor's Parcel NS WV=Not sampled due to inadequate water volume <br /> Historical Tidewater Associated NE=No Exceedances of WQOs or ESLs 2007-2008 <br /> ro Feet Western Farm Service �_ ?��•�� DUP=Duplicate sample <br /> _' Oil Company(TAOC)Pipeline 1 1 Investigation Area NM=Not monitored per RWQCB request <br /> a + Monitoring Well location '•—••—__ - US CAN -WELTY ROAD <br /> = g ..... WOO=Central Valley RWQCB Water Quality Objective <br /> ° Kinder Morgan Pipeline Underground Storage Tank Location ESL = San Francisco Bay RWQCB Environmental Screening 35275 Welty Road,Vernalis, California <br /> Monitoring Well location —' (dashed where inferred) Level <br /> (Vernalis Pump Station) RWQCB=Regional Water Quality Control Board DATE.-312412008 I ANALYST:WHELANMC FIGURE: <br /> ------------ <br /> Water Treatment Area <br /> Railroad -All results are presented in micrograms per liter pg <br /> Industrial Supply Well Results presented in bold equal or exceed Woos and/or ESLs. —- -— <br /> U + <br /> Well included in site groundwater (NS-SPO) Not Sampled Due to Presence Date represents the date sample was collected. ==7 <br /> * <br /> e X —X Fence monitoring program ram of Separate-Phase Oil Due to limited historical records,the former locations of �r29`� <br /> g p g From Science to Solutions <br /> W+ CALIFORNIA LOCATION MAP underground storage tanks(USTs)are approximate. <br />