Figure 5 TCE Concentrations in GW (1)

ESG-78
<1.0
MW-25
<1.0
ASG-HS-36
14
ESB-K5-B2
MW-28
ESB-K5-B4
ESB-K5-B3
<0.26
<1.0
<0.26
<0.26
MW-27
58
ESB-H2-B1
ESB-F10-B1
320
3.7
MW-29
<1.0
ESB-H2-B5
560
Corehole Location (January 2006)
Grab Ground Water Sample (May 2005 to
present)
Monitoring Wells (October 2005)
Vapor Monitoring Wells (October 2005)
Approximate Boundary of Shallow Ground
Water with Trichloroethene (TCE) Greater
Than 1,000 micrograms per liter ( g/L)
Approximate Boundary of Shallow Ground
Water with TCE Greater Than 100 ( g/L)
Approximate Boundary of Shallow Ground
Water with TCE Greater Than 10 ( g/L)
Ephemeral Stream
Site Boundary
170
0
170
340
1 inch =170ft.
680
TCE Concentrations in Ground Water
Wyle Laboratories
1841 Hillside Ave., Norco, California
Note: Topographic contour interval is 10 ft. Elevation Datum is Mean Sea Level.
Source: Base Map Modified from:
ALTA/ACSM Title Survey Wyle Laboratories Norco Facility by Crouse/Beers &
Associates, Inc. 11/11/99.
FILE: P:\W\Wyle Labs\Drawings - DO NOT MOVE\DTSC Presentations\Figure 5