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27-Jun-02 <br /> CL C'j <br /> CD <br /> a <br /> EXPLANATION 02 <br /> 11 <br /> MW-10 T Groundwater momtonng well O O G <br /> McDonald's Restaurant <br /> NA Delta Market Budding (.� r <br /> (<0 5/<5 0, 14-Feb-02) Groundwater elevation contour in feet L <br /> d1 . <br /> Rreferenced to mean sea level(ft msl) M <br /> ❑ /y Arrows indicate approximate 3 v <br /> groundwater flow direction 10 <br /> C O <br /> 70,40 Groundwater elevation in ft rnsl = V <br /> O <br /> L to <br /> (44) Benzene concentration in parts per 0 0 <br /> billion(ppb) S <br /> (<25) MTBE concentration to ppb <br /> WEST CHARTER WAY <x Not detected at detection lima x C3 <br /> (<0 5/<5 0, 14-Feb-02) Benzene1MTBE <br /> concentrations in <br /> groundwater in ppb, <br /> MW-7 <br /> date last sampled <br /> -10.95 <br /> MW-9 - __ -- (<0.50) NA Not available,well inaccessible due to <br /> -—-- "--10.71' (<5 0) parked car <br /> (320) Approx hydraulic gradient= 0 02 to 0 04 <br /> Existing (120) MW-4 <br /> USTs _10.87 Dote All analyses by EPA Method 8260 <br /> mw-8 (1.0) Q <br /> -10.55 (8 0) — <br /> (<0.50) <br /> --- - --(230)-- -- - --- ------- - ---, M�'Y-Z 083 <br /> 40.81 (<0.50) Q <br /> Denny's (39) ( ) <br /> ( ) 3 <5 0 Best Western Motel U <br /> Restaurant G 2 <br /> Building <br /> 0 <br /> Ei <br /> 'll <br /> I T ♦ MW-3 �? <br /> hM-6 ( -10.78 a <br /> -860 \9 (<0 50) <br /> (<0.50) (9 4) ; rFormerUST <br /> (<50)-- - --------- ------ ------ \-,O\ - ---` cation <br /> ci <br /> 'a C <br /> O <br /> op MW-1 I t+ <br /> 10 <br /> 1088 U} <br /> s (<0 50) Best Western Motel <br /> V <br /> City of Stockton Building Remediation Equipment >, <br /> Enclosure and Piping 'a <br /> CO <br /> m m E <br /> _ o <br /> Scale(ft) " U U <br /> FIGURE <br /> 0 20 40 80CO <br /> 4 <br /> 2 <br /> � � o <br /> O <br /> A <br /> (n cn <br /> O <br />