Laserfiche WebLink
LEGEND AREA 2 MW-3 <br /> 87 . 85/33 . 22 <br /> • MONITORING WELL LOCATION ( NA) <br /> DEEPER ZONE MONITORING WELL LOCATION \ � ( ND) MW-4 <br /> 87 . 91 /32 . 87 <br /> 87 . 00 == GROUNDWATER ELEVATION CONTOUR, cA� (NA) <br /> IN FEET ABOVE MEAN SEA LEVEL (ft MSL) , !yp � \ ( ND) <br /> DASHED WHERE INFERRED <br /> 87 . 60/33 . 47 GROUNDWATER ELEVATION IN ft MSL/DEPTH TO <br /> WATER IN FEET BELOW GROUND SURFACE (ft BGS) 'e'Q MW-2 87 . 90/33 . 39 <br /> (23 , 000) TPH AS CRUDE OIL , CONCENTRATION IN ' . 87 , 9 AREA 3 / <br /> MICROGRAMS PER LITER (Ng/L) <br /> o (377 ) j <br /> (89) BENZENE CONCENTRATION IN pgIL MW- 12 �l, ` •. , <br /> 8 .5 . 98/35 . 9100 <br /> G <br /> ND NOT DETECTED (NA) <br /> NA NOT ANALYZED ( ND) o <br /> SPH SEPARATE-PHASE HYDROCARBONS <br /> PRESENT, WELL NOT SAMPLED, cam— MW-5A MW-6 <br /> 0 . 004�-J� 87 . 94/32 . 98 88 . 01 /32p49 <br /> GROUNDWATER FLOW DIRECTION p SPH ( NA) <br /> AND GRADIENT 0 , 04 (ND) <br /> FORMER SHELL • <br /> NOTE; CRUDE OIL PIPELINES MW-8 <br /> 5 ! . 87 . 92/33 . 13 <br /> WELLS IN GRAY ARE SCREENED IN DIFFERENT ZONES / ( NA) <br /> AND NOT USED IN CONTOURING . - - ( ND) <br /> APPROXIMATE HYDRAULIC GRADIENT = 0 .007 TO 0. 05 00 •/ <br /> • <br /> ZONE A - WELL SCREEN INTERVAL 30 TO 50 ft BGS MW-7 <br /> 88 . 03/33 . 65 <br /> (NA) <br /> ( ND) MW-91 <br /> 88 . 04/33 . 27 <br /> ( NA) • ' <br /> ( ND) MW- 10 <br /> 88 . 03/33 . 69 <br /> ( NA) • MW- 11 <br /> ( ND) 88 . 00/33 . 33 <br /> (NA) <br /> (ND) <br /> AREA 4 <br /> figure 4 <br /> 0 40 soft ZONE A — GROUNDWATER CONTOUR AND CHEMICAL CONCENTRATION MAPNOVEMBER3AREAS , D 4 <br /> FORMER SHELL CENTRAL VALLEY CRUDE OIL PIPELINES <br /> CORDES RANCH <br /> BASE MAP:SAIC SHELL PROPOSED BORING LOCATIONS MAP DATED 05/07/08. CLAYTON � + <br /> GROUP SERVICES PREVIOUS SOIL BORING LOCATIONS DRAWING DATED 8128/02. Tracy <br /> raG'y C al forl7la <br /> O SOURCE: MID COAST ENGINEERING SURVEYS DATED 8/13110, 9/13/10, 7f7/11 , AND <br /> 8118/11 US STATE PLANE 1983, CA ZONE 3 (NAD 1983), NAVD 88. <br /> 060223-2011 (016)GN-S0002 FEB 15/2012 <br />