As per Supplement to Master Agreement For hazardous Substance Or Petroleum Response Services between the Indiana Department of Environmental Management and Earth Tech, please find the Monthly Report of Operations of the Illinois Central Spring Treatment Plant, Bloomington Indiana for the reporting period of February 2002.

Operational Status - The plant operations for the month of February were normal with no down time experienced. Precipitation recorded for the month was 1.98 inches. The maximum rainfall during a 24-hour period was on February 25 with 0.41 inches recorded. A total of 12,097,216 gallons of water was processed through the facility that includes 1,264,570 gallons returned from storage for processing during the month. The SRS Tanks received a total of 3,163,459 gallons for the period with 1,898,889 gallons attributed to clarified overflow. No water was held in bulk storage at the close of the month. No overflows of the SRS were experienced.

Corrective Measures Taken or Planned - None to report for February 2002.

Analytical Results - A summary of the analytical results for the reporting period are attached to this report on the Event Sampling Analysis Log. Any results for this reporting period that are not available as of the reporting date are logged without the test results.

Unexpected Maintenance Requirements - No unexpected maintenance problems were recorded for the reporting period.

Evidence Of Trespassing - There was no evidence of trespass during the reporting period.

Report from Visitors Log / Plant Access - The Visitor's Log is available for inspection at the ICS office. Copies of this log are available to authorized personnel upon request and authorization of the IDEM Project Manager. There were no telephone calls requesting tours from the general public and no plant reviews were conducted

Summary of Costs - Total costs for this Project for the reporting period of February 2002 (1/2101 to 2/) was $25,660.22. The cost reporting is based on a five (5) week period. [Note: Previous accounting has been on four (4) week periods]. The summary of cumulative project costs and comparisons to the project budget are attached to this report.

[Note: The summary of costs contains proprietary information and is not for publication without edification.]

This cover letter and attachments complete the monthly report for Illinois Central Spring. If there are any questions, please contact Martin Lytle at 812-331-2741.