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E <br /> i <br /> LEGEND <br /> CPT-247 CPT/PIPP Sample Location <br /> A-Zone Monitoring Well <br /> B-Zone Monitoring Well <br /> t +. f C-Zone Monitoring Well <br /> I <br /> MVJWJAIV Chevron Monitoring Well <br /> N Cx18A rl A-Zone Piezometer <br /> I �R, a I i i." nom 307A <br /> 'MW 008 'IYZ OLOF4- P. A-i �4tiY 010„ p 2 I EPL. Property Line <br /> RSR il... 4� 2 i ` f Lincoln Center Boundary <br /> Pr "P °` ��'•._` t Former Dry Cleaning Operations <br /> MK R.�- xac,m�en„seur � °• �z <br /> 1•F _ \�` W.5P0I. <br /> Selected Buildings & StructuresBA. < .So <br /> - - Location ID <br /> hAy L1G91 f:.�♦ Y 4 ” 2aaAJ Y3a0 `• y.,VJ-},7 MW-,116A _.-. <br /> rh14 .0.2_rq� � �♦ J r � IP7 <br /> fM14V-1 1...2 " h- EJ ICP 1'?2E i ........... <br /> v „ ,,D� } ­_PLM6 , ,�`! i - PCE Concentration(pg/1)' Duplicate Sample <br /> I EL34�f �♦ E�4YL0DZA <br /> I.f.A., ff�rJJI A °�w.�e��v1z1 ,° 1 E,:' 'm,`r'°', • rr , 1spsn PCE Concentration(pg/l)-Primary Sample <br /> cP7 sa9oo��J '"' <br /> i"A-104 <br /> Estimated PCE Isoconcentration Contour <br /> I_tia 50 � <br /> f 1 it �Ml�_�i J�j Q(1Q�3urW�la o J �tCHf�yl Oo3l� <br /> 4T-243 \ t t jOpp t" 1 ♦ ♦ ♦ 3990 f <br /> _.1 �Q "``� r ° i CHh74V 005At <br /> 2,1' 1).],M � r • I° ,..SS � Notes; <br /> 100 cHR one <br /> ` `..... 4000CPT Cone Penetration Testing <br /> ICR7,j„4� ".C111 "`-�y t74V 5 5,�� Q,+� �•i I 1PZ 012A 11 <br /> J PIPP Push-In Polyvinyl Chloride Piezometer <br /> " PCE Perchloroethylene <br /> •3o.s 4q * Data not used in contouring <br /> h, }1 i `` $ \ M -1)0 ' I Estimated concentration <br /> }},-:PT-249 i i {0 59_3 1900._': <br /> I sa �I •F. <br /> w. -- Concentrations of PCE shown in this figure were obtained <br /> PZ-GG5A i;p7...:.405/5_Z, EZ�Qgq 1 PZ-002A-2s <br /> i 35 1A 1 0,95, from laboratory analysis of groundwater samples collected <br /> from monitoring wells In February 1999 and CPT/PIPP <br /> sampling locations from March 1997 through October 1998. <br /> The estimated extent of PCI~shown should be considered <br /> qualitative In nature because of the different sampling <br /> methods used to collect the data and the different time <br /> periods In which the data were collected. <br /> h <br /> too 0 6W Fey} <br /> LINCOLN CENTER, STOCKTON, CALIFORNIA <br /> Estimated Extent of PCE <br /> T in the A-Zone Aquifer <br /> February 1999 <br /> Figure 49 <br /> @4LFR <br /> F <br />