MA

GN

OLIA

ST.

HAMILTON AVE.

Pacific Coast Highway

Edison Community Center

Power Plant

Edison High School

Ascon Landfill Site

AST’s

Residential Homes

Residential Homes

Wetlands

PropertyBoundary

Single StoryCommercial

Buildings

NN

00 600 1200 1800 2400Feet

Site Location Map and Surrounding Land UseSite Location Map and Surrounding Land Use Figure 2-1

Source: Modified from PNL 2002bAscon Landfill Site, Huntington Beach, California March 2005

Oil ProductionFacilities

HuntingtonBeach Flood

Control Channel

Site Features Map Figure 2-2

Source: Second Feasibility Study, Revision 1Ascon Landfill Site, Huntington Beach, California

June 2007

Edison Communit

y Park

AES Power Plant

Single-StoryCommercial

Buildings

Magnolia Street

Hamilton Avenue

Pacific Pipeline Property

Lagoon 4 Lagoon 5

Lagoon 3

Lagoon 2

Lagoon 1

Legend

SCOC Oil Wells

H

A

B

F

E

C D G

Edison High School

Residential

Lagoons

Internal Fences

Site Gate

Trailer

Pits

Lagoon Netting

NORTH

0 100 200

Feet

Generalized Map of the Orange County Groundwater Basin and Vicinity Figure 3-1

Modified from PNL 2002bAscon Landfill Site, Huntington Beach, California March 2005

Huntington BeachMesa

NewportMesa

Location of Monitoring Wells, Piezometers, and Geoprobe Wells in SPA and Perched Zone on 2004 Site.

Figure 4-1

Ascon Landfill Site, Huntington Beach, California March 2005

SPA = Semi-Perched Aquifer

* = Monitoring well completed indeeper portion of SPA

GEOSYNTEC CONSULTANTS

*

SPA = Semi-Perched Aquifer

* = Monitoring well completed indeeper portion of SPA

GEOSYNTEC CONSULTANTS

* GW Monitoring Wells destroyed (abandoned) for EA work

Base figure: Figure 4-1 from Groundwater RemedialInvestigation Report, GeoSyntec, 2005.

Location of Monitoring Wells, Piezometers,, and Geoprobe Wells on 2006 Site and Monitoring Locations Destroyed during EA Work in 2005

Figure 4-2

Ascon Landfill Site, Huntington Beach, California Mach 2007