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1 0 <br /> SECANTERNATIONAL INCORPORATED <br /> SE C O R wwwsecoccom <br /> Soil Oxidant Demand Testing: <br /> Soil oxidant demand testing will be conducted using potassium permanganate, because it is the <br /> simplest and most accurate method of measuring soil oxidant demand. The test will be <br /> conducted according tote attached procedure. <br /> DATA ANALYSIS AND REPORTING <br /> SECOR will evaluate the esults and prepare an Ozone Sparging Benchscale Study Report that <br /> describes any changes tc the procedures outlined in this work plan. The report will also include <br /> a comprehensive discuss on of the results and their implications on full scale implementation of <br /> ozone sparging at the site. <br /> SCHEDULE <br /> ' The study will commence within two to three days of receipt of the soil samples from GTI. The <br /> study duration will be thre n to four weeks depending on the turn around time from the analytical <br /> laboratories. SECOR wi I complete a report within three to four weeks upon receipt of the <br /> results. <br /> 1 <br /> If you haveany questions regarding the proposed study, please contact Dr. Angus E. McGrath <br /> at (925) 299 9300. <br /> Sincerely <br /> SECOR International Inc rporated <br /> Angus E. McGrath, Ph.D. <br /> Principal Geochemist <br /> I <br /> Attachment(s): <br /> Soil Oxidan Demand Method <br /> i <br /> 1 <br /> 1 <br /> 1 4 <br />