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JOINT MONITORING/SAMPLING DATA EXPLANATION <br /> PROVIDED BY BLAINE TECH SERVICES INC. <br /> . WHEN AVAILABLE Groundwater monitoring well <br /> ' (Former Chevron) <br /> Parking <br /> Deep groundwater monitoring well <br /> p (Former Chevron) <br /> a <br /> _ O Groundwater monitoring well <br /> W (Unocal Former Scotty's) <br /> F MW-1 (Former BP Odl � Z <br /> [20 90] Sgrvice, Stabo J Groundwater monitoring well <br /> 11. (Tosco Former BP Oil) <br /> d <br /> [20 ss] Sump sample point cMn 8 <br /> Parking AMW-5 l 0 Mw-7 [20 00] <br /> in <br /> The kBox 9999 Groundwater elevation in feet <br /> referenced to Mean Sea Level <br /> I [21 32]MW-2 . c <br /> 1 [20 81] 7 9 fig' Groundwater elevation contour, 2 <br /> [21 71] Mw-4 MWS AMW fi[21 911 [1$ f 2] �9 dashed where inferred4-1 <br /> _ 21 71 [20 498] AMW-3 <br /> Mw-5 I [99 99] Not used In contouring, TOC's a, <br /> [20 98] not referenced to common datum <br /> a Z � <br /> [20 98] (99 99) Not used m � <br /> contouring, cn ° o <br /> deep screened well v c v 2 o <br /> TRACY BOULEVARD o <br /> � L C C N <br /> O <br /> [21 41] [20 39] O V o a <br /> — � Mw-fi — Mw-s o � <br /> Sidewalk ��a�r'o Z u 0 - o <br /> Mw� [21 49] 2047// —�s`�� p0 �nw-sA 19 58 planter o `o r- <br /> [2191] MYY� a i�Ln 1 <br /> Mw-� * �\ Station Former\ 1Mw 1 � MW-sB(20 65) <br /> Approximate I �,,, , MW-6 \ BuilTian <br /> ding # `i Sump (Approximate Location) <br /> Location of Former-{--r r MW-2 [21 471 Former <br /> uSTS [21 80] I Approximate a Dlspe(20 10) s-Forr o � Car <br /> Location of Ista....� Tank,, 1 Wash <br /> CD <br /> I Dispenser <br /> _ ] Islands MWS \ 1 1 q Budding <br /> [22 23] Mw-3 —— t� Mw-5 �b 43Mw-2 <br /> 3 <br /> Approximate [21 88] 20 26 , `moo, cal. <br /> Location of New „ <br /> Gasoline USTS <br /> Former �� n <br /> LISTS `�' MW-7 r; <br /> Unocal lx <br /> f9 92 <br /> I Service Station N J <br /> Approximate groundwater "K ~' <br /> AMW-1 flow direction at a N <br /> Store [20 72] Former Chevron gradient of 0 007 to 0 009 Ft/Ft i <br /> Semce Station <br /> Property Boundory W co � <br /> JOINT MONITORING/SAMPLING DATA _Z 11,11A CF <br /> PROVIDED BY AQUA SCIENCES ENGINEERS INC. o I so E5 V <br /> WHEN AVAILABLE <br /> M <br /> `s <br /> 2 e <br /> i0= a <br /> t3 00 <br /> w <br /> Scale in Feet W cD <br /> 00 <br /> Source rigvre modified from drawing provided by RRM engineering Chevron layout provided by Morrow Surveying dated June 2001 <br /> I <br /> 1 <br />