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FIGURE 3 <br /> BIODEGRADATION LAB STUDY <br /> Tracy Oil in Tracy Soil <br /> 5 <br /> Results <br /> • Natural Soil Bacteria + 02 will 0 <br /> 4 Remove Oil <br /> • Removal Continues Rapidly Over 0 <br /> v 12 Weeks <br /> c� <br /> L <br /> Cn <br /> 0 0 <br /> w 0 <br /> 0 <br /> U p 0 C) 0 <br /> �1 <br /> CL 00 0 <br /> 1 <br /> 0 o <br /> 00003 0 0 00 00 0 0 0 0 <br /> CD <br /> Control <br /> 0 01 1 <br /> 0 2 4 6 8 10 12 <br /> Time in Weeks <br /> CHEVRON CORPORATION <br /> ENGINEERING TECHNOLOGY DEPT. <br /> TECHNICAL SERVICES <br /> ENVIRONMENTAL DIV. <br /> 11-25-37 DLE <br />