U.S. EPA Contaminated Site Cleanup Information (CLU-IN)


U.S. Environmental Protection Agency
U.S. EPA Technology Innovation and Field Services Division

Fractured Bedrock Project Profiles

Last Updated: June 8, 2004

Point of Contact:
Kathy Davies
EPA 3 1650 Arch Street
Philadelphia PA 19103 
Tel: 215-814-3315 
Fax: 215-814-3015
Email: davies.kathy@
epa.gov

EPA site,
Chester County, PA


Hydrogeology:

Chickies quartzite consisting of a this bedded,
medium grained, quartzite, with interbeds of
quartzose schist and sandy mica schist with some
plagioclase-quartz gniess. 20 - 120 feet of
saprolite overlies the quartzite.

Targeted Environmental Media:
  • - Fractured Bedrock

Contaminants:

Approximately 2800 feet x 2800 feet x 230 feet deep.

Major Contaminants and Maximum Concentrations:
  • - Trichloroethene (2,600 µg/L)

Site Characterization Technologies:

  • - Borehole Geophysics
    • Single Point Resistance
    • Natural Gamma
    • Caliper
    • Video Camera Televiewer
  • - Fluid Loggings
    • Temperature
    • Conductivity/Resistivity
  • - Flow
    • Heat Pulse Flowmeter
  • - Surface Seismic Surveys
    • Reflection
  • - Vertical Chemical Profiling
    • Packer Isolation
    • Cluster Wells
  • - Fracture Trace Analysis
  • - Surface Conductivity Surveys (EM)

Remedial Technologies:

No technologies selected.


Remediation Goals:

None provided


Status:

As of June 8, 2004 a pump and treat system was being constructed.

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