Table of Contents

This 12th quarterly progress report for CSSA, Texas, 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 SWDA, as amended by RCRA, and further amended by the HSWA of 1984, 42 U.S.C. §6928(h). This report addresses the project progress from February 1, 2002 through April 30, 2002 (Quarter 12). 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

RCRA Facility Investigation

Corrective Measures Study

Corrective Measures Implementation

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. The project financial information summary and the percentage of funds expended, which is required every third progress report, is included in Attachment 1.

Attachment 1 - Percent Complete Rationale and Financial Summary

Table 1-1   Budget Summary

Table 1-2   Cost Breakdown by Contract and Site

Overall (H) Order Percent Complete

Interim Measures Percent Complete

RCRA Facility Investigation Percent Complete

Corrective Measures Study Percent Complete

Corrective Measures Implementation Percent Complete

Attachment 2 - Summary of Status of Each SWMU/AOC Site

Investigation Matrix

Attachment 3 - Figures

Figure 3.1   February 2002 - April 2002 Off-Post Well Sampling Locations

Figure 3.2   March 2002 On-post Well Sampling Location