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<br />3/4 <br /> <br /> <br />BRIEF DESCRIPTION OF EACH DOCUMENT FOR WHICH SUBMISSION TO THE <br />TNRCC IS REQUESTED: <br /> <br /> <br />L 1993 ANNUAL REPORT-LPST #92680 for calendar year <br />One Copy. <br /> <br />Executive Summary: <br />(a). Brief background history of project <br />--- (b). A description of the two Photosynthetic Periphyton Treatment Systems <br />! constructed and placed into operation in April, 1992 when City assumed <br />project operation and management. <br />(c). Discussion ofITee product recovery. <br />(d). Discussion ofMBTE inputs to systems. <br />(e). Amount of groundwaters pumped-treated. <br /> <br />Photosynthetic Periphyton Treatment Systems <br /> <br />(a). Treatment performance graph for BTEX (Old and New Yard systems). <br /> <br />Free Product Production <br />. <br />(a). Graph ofJiters of product yields in New Yard ITom September 13-0ctober 28, 1993, <br />(b). Graph of liters of product yield in Old Yard ITom August 23-0ctober 28, 1993, <br /> <br />Well Water Sampling Results <br /> <br />(a). Graph ofTPH content in waters of selected wells based upon quarterly sampling <br />results. <br />(b). Graph of Benzene content in waters of selected wells based upon quarterly <br />sampling results. <br /> <br />i <br />, Well Water Levels <br /> <br />Table of monthly water level measurements at 35 sites during 1993. <br /> <br />Sample Data Sheets <br /> <br />Copies of example sample data sheets to demonstrate proper laboratory <br />protocol, i.e. quality control, test method, limit, custody sheets, etc, <br />