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ca * 255-260-16 -- a rv. .-.... ..... - - --• _ ■__�1w•rw�'�ww� _ �r■• �w- . .� 'Truer • n�r «I .�• �r !G� - - % _ 255 2f��7 • AI - Irrigation Ditch 255-?0,, 0-07 • . 40 A + • * X` h •' M Irrigation Ditch ` +• 255-1 0-0,:5y ~Ce , ,,-s .\ - s.... _ . f }a0 e0 &V2 180-08 / L `�.. 4 , rmer 10,000-Gallon Diesel Tanks MW-5 SB-15 56=42 • 1 Former 5,000-Gallon Diesel Tank _ _ • former ga's _T SB�1 SB�35 2,5_5- 80-04 t •�� . Crop Production �` _ • station y �. ��'^ 25-.� •, ,�■ N N g WFSMW-1t � t \ .5.26 0 Dividirj link between sites `+' services e-_ GMX=7 0- 4 SB-13 SB-14 25 0.06 n ^��\\ 255=260=05 IKE - \�•�\�\ ,• •\• GMX 10� puiWlisland SSB 18 i�SB-36 •-GMX-6 !/ , �` K►� r HIGHWAY 33 � f GIVI SB-17 f SB-43 SB-49 SB-40 SB 39 SB._38 f fSB-22 ,/ / SB_3.1s�,,s&SB-26m_ L J=u - r d �'_MW�3 U--rsWiSB-20�SB=2:1 =SB 29_ SSB-37 �� s' RB- 255-180-14 B 4• • ^=`n 255-180-14 t� 9 • l .w•�' MWS. -- - g •�U: 1 _== r.--==-________ \ -_ '�_�" ��= OSB-32 SB-24 ��'SB 25 �Insulair•b il'd of g • 5 i - - - t' \',I�(, N A A N F F O) SB-24 B�� . �. `iS T�-RB-2 -�-+_ _ '� r' SB 34 W E L T �� O bunkhouse S-3 � v _ se=27 S T A,• SB-33 J S-7 • S-11OD swn y0 255-260-03 o '! Pereol�tion Pond SB-30 .—� • • r MW-4 m N CL Jr nous,,,, 1,000-Gallon Former Hunter _ • =Underground Container Corporation Q 00;000-Gallon WaterAboveground Storage Tank Storage Tank cP CL --_--==--255--1'80='14:=,=:_:_: - �� ,N o __ � CL «�_�_�. ——_—_— � bunkhouse � 8Allilla. O o - � Rb` ' r CPT-3 • • � l , • g_2 C�"1 •' Trench B �T-2 � � RB-5RB-2 = � s • � 55- 0-U2 • S-6• � • HB-6 a • \ • S-4 �_ r • SB-1 • MW-1 • • 255ry`1�8Qi�• B.-1 GMX-1 B SB-3 B-4 ••�•.RB-6 RB-3 v�—i •••• • 0 25 50 0 12.5 25 I I I � w ..... .`r O Feet Feet a_ O 0 75 150 Map is a relative representation of current and historical data and should be verified for exact legal or underground work. O I I I Groundwater flow direction inferred from well-monitoring data. PROPOSED :aaaaaask Former underground Lateral extent of groundwater affected by SOIL BORING LOCATIONS Feet Proposed Soil Boring Location 9 Monitoring Well �___' Historical Old Valle Pipeline yanmmmniT fuel storage tank hydrocarbons,where petroleum constituents Q Soil Boring Location Historical Tidewater Associated -------- exceed WQOs and/or ESI-s.Outline dashed • Abandoned Monitoring Well :::, where inferred,question marks where j ® (March 2009) Oil Company Pipeline Former building q US CAN -WELTY ROAD existence is unknown. Soil Boring Location ® Water-Supply Well Kinder Morgan Pipeline Estimated extent of a (November 2008) -- (location confirmed by GPS) ....... former burn pit Lateral extent of soil affected by hydrocarbons. 35275 Welty Road SGL/ where petroleum constituents exceed RSLs Monitoring Well •-o Vernalis, California Soil Boring Location Kinder Morgan Pipeline and/or ESLs.Outline dashed where inferred. ' (Crop Production Services) ..—.. ? Water Treatment Area (August 2008) (location inferred) DATE:912312009 1 ANALYST:MOORECYN FIGURE: Water-Supply Well San Joaquin Count Soil Boring Location ® q y RSL=U.S.EPA Regional Screening Level • (Crop Production Services) Railroad Assessor's Parcel U "� (Previous Investigation) �--___-- ESL=San Francisco Bay RWQCB Environmental Screening Level Q e ' WOO=Central Valle RWQCB Water Quality Objective �+� ■�� L.F ` Abandoned Extraction Well y t U.S.EPA=U.S.Environmental Protection Agency W CALIFORNIA LOCATION MAP (Crop Production Services) RWQCB=Regional Water Quality Control Board From 5crrncetoSoWtrorrs