I INTRODUCTION This is the progress report for February 19810n tar sand process water control technology. II SUMMARY OF WORK COMPLETED IN FEBRUARY The final report on Task II was completed and dispatched to the contracting officer. A draft of the final report was beguri. The trip to Laramie was rescheduled. A preliminary paper with four tar.sarid oil recovery processes that were tentatively recommended for water treatment schemes was submitted. A copy of the paper is attached. The recommended processes were provided for LETC staff review prior to the project meeting. The Task I and II final reports were reviewed and compiled into a draft final report. Some minor revisions were made as a result of acquiring additional data and reports. III WORK PLANNED FOR MARCH A visit to Laramie is scheduled for March 9 to discuss and review the tar sand oil recovery process selection and their treatment schemes. Following this visit the Task III report Will be prepared and the compilation of the final report will be undertaken.