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25th Quarter - Final Quarterly Progress Report

May 1, 2005 - July 31, 2005

August 2005

This 25th Quarterly Progress Report for Camp Stanley Storage Activity (CSSA), Texas, U.S. Environmental Protection Agency (EPA) Identification Number TX2210020739, is submitted in accordance with the Administrative Order on Consent (Order) issued to CSSA on May 5, 1999, pursuant to §3008(h) of the Safe Drinking Water Act (SDWA), as amended by Resource Conservation and Recovery Act (RCRA), and further amended by the Hazardous and Solid Waste Act (HSWA) of 1984, 42 U.S.C. §6928(h). This report addresses the project progress from May 1, 2005 to July 31, 2005 (Quarter 25).  Subsequent progress reports will continue to be submitted on a quarterly basis.

This report details work completed on tasks associated with the four project phases outlined in the Order. Phase names and task names listed below are taken directly from the Order. Information requested in the Order for each active task is provided in this report. If the task is not yet active, that is also noted.

Interim Measures

Task I:

Interim/Stabilization Measures (I/SM) Work Plan (WP)

Task II:

I/SM Implementation

Task III:

Reports

RCRA Facility Investigation

Task I:

Preliminary Report:  Description of Current Conditions (DCC)

Task II:

RCRA Facility Investigation (RFI) WP

Task III:

Facility Investigation

Task IV:

Human Health and Ecological Risk Assessment

Task V:

Investigation Analysis

Task VI:

Treatability Studies

Task VII:

Progress Reports

Corrective Measures Study

Task VIII:

Identification and Development of Corrective Action Alternatives

Task IX:

Evaluation of Corrective Measures Alternatives

Task X:

Reports

Corrective Measures Implementation

Task XI:

Corrective Measure Implementation (CMI) Program Plan

Task XII:

Corrective Measure Design

Task XIII:

Corrective Measure Construction

Task XIV:

Reports

Details of the evaluation of the percent complete by task are included as Table 1.  An updated project team chart along with telephone numbers and addresses are included as Table 2.

Attachment 1 is the figure showing locations of groundwater wells referenced in this report.  A summary of the status of all identified Solid Waste Management Units (SWMUs) and Areas of Concern (AOCs) present at CSSA is provided in Attachment 2 and a summary of SWMU and AOC analytical results for this Quarter is included as Attachment 3.  Attachment 4 is a summary of the physical percent complete for the various investigations being conducted at CSSA.