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j% � G1L <br /> (c t3 <br /> 09112106 <br /> EXPLANATION 1/1vOL, 9 ' \-S � � o. o <br /> MW-14 Proposed monitoring well location ca o <br /> MW-1 } Monitoring well location Petco J . Marengo <br /> Strip Mall Center C <br /> MW-13* Deeper monitoring well location Store (step Mall) , V 05 <br /> (not used for contouring) <br /> VEW-3 Dual-phase extraction well location p <br /> (not used for contouring) lima a <br /> VEW-1 Vapor extraction well location d c <br /> (not used for contouring) Parking Lot L) o <br /> o Product dispenser number L„ V <br /> Parking Lot <br /> - - - - - - - - Remediation trench/subsurface pipe 00 v <br /> Abovegrade remediation pipe o E <br /> -25.58 ) Z v o ; m <br /> — — — — Sanitary sewer line <br /> NO �0. _23 60 �0 23 e2 t <br /> Water line 20 ♦ N 4.9 ��i ` No V <br /> Electrical line 1 •s 1 C7 <br /> - - - - - - - Telecommunications line <br /> T R <br /> � > Groundwater flow direction and gradient (ft/ft) -25 00 <br /> Groundwater elevation contour, in feet <br /> �� •XX above mean sea level (msl) , approximately <br /> located, dashed where inferred <br /> Well designation PA CIFIC A VENUE <br /> ELEV- Groundwater elevation , in feet above msl <br /> eenzeno Benzene and MTBE concentrations are <br /> M7 BE in parts per billion and are analyzed by <br /> Notes: EPA Method 8260 , Q <br /> NA = Not available <br /> NS = Not sampled ) 3 r o o v 2 r ; oo <br /> ND = Below laboratory detection limit -23 23 -23. 17 � ( t7 I m <br /> a = Elevated detection limit; see laboratory report for details No- �a =23.12 -23106 <br /> ND = 1 ,6 -- 64 0.73 _ <br /> - - - - — — - - — - - - - - - — <br /> NO <br /> Way — - - - - - - NO — - - - - Q <br /> Existing 1 � � — — <br /> UST 1 I U <br /> -23:0 ♦ ` , -23. 00 I 1 <br /> 1 <br /> NO <br /> Shell Station I I I I Parting Lot <br /> 1 I NO �� `�\\ -23 .64 6131 Pacific Ave. <br /> 530 I <br /> 570 1 <br /> 1 VEW- ' --- <br /> 1 1 rr — Z7 MW-141 23 . 02 Z�do <br /> 1 — — 1 <br /> — I � I 0.72 1 <br /> 3S I 1 I <br /> NO I G <br /> 1 -23 01= 1 o i 0 1 <br /> ND 1 1 -17.94 <br /> Ortho NO =22.8 "- - - - - - - NO _ Strip Mall <br /> ---- , - - f : I � <br /> Mattress W 6,100 I ND - - <br /> Store I 79 , 0 \ �O �� y�10 Verizon Wireless <br /> 3 I O I l l F0 ier j -22 .$2 I Parking Lot <br /> ' '- O Store 1 V <br /> r <br /> o — I <br /> it r - 24 ' ! I •� <br /> m I Iii 2s - 19 . 00 I as <br /> I -22.88 1 Remediation <br /> j 1 NO _ QUO -2201 Compound 1 q� �. <br /> NO a C NA I o� <br /> y NDa � NS ' 1 d _ cc 00 <br /> v�rd NS <br /> V I — II — atrAratx n — — — — — --- li �. > O <br /> �.. <br /> Groundwater �1 � Q Co rn <br /> Nearest Residence Treatment System •0p �-- - - - - - - -- - - - - FIGURE m I rum U O <br /> Z I from Oxidizer Stack _ <br /> ° 1 = 150 feet NNW <br /> 7ND <br /> S011eco 1 0 20 40 80 C$ o c <br /> 1 Catalytic Oxidizer 1 n Y N <br /> o 1 Nearest Business t CO 0 <br /> No from Oxidizer Stack I Scale (ft) C0 (0 U) MS <br /> T — ��_ 65 feet WSW <br /> — _,_ _ -_. T — ..r. _ <br />