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LAPPENDIX B <br /> il PROTOCOL FOR ADVANCING, SAMPLING, AND BACKFILLING <br /> OF Son, BORINGS <br /> 1:0 INTRODUCTION <br /> I <br /> This protocol describes the procedures to be followed during the advancing and logging of soil <br /> f.� borings. The procedures presented herein are intended to be of a general use. As the work <br /> progresses and, if warranted, appropriate revisions will be made and approved in writing by the <br /> Cprotect manager. <br /> 2.0 ADVANCING <br /> The soil borings will be advanced using the Geoprobe direct-push method. The specific depths <br /> of the soil borings are presented in the workplan. The B&R field geologist or engineer will <br /> specify to the ng operator the maximum penetration rate, the depth p of soil sample collection <br /> method of sample retrieval, and other matters pertaining to the satisfactory completion of the <br /> borings. All unused soil samples and fluids generated during advancement and sampling of soil <br /> borings will be containerized and stored or disposed of in accordance with appropriate legal <br /> requirements. <br /> The tool string, hoses and other components in which fluids and cuttings circulate,. drive <br /> Po g <br /> samplers, and probe tips will be 'thoroughly steam cleaned before and after :installing each <br /> �! boring. Only clean water from a 'municipal supply will be used for decontamination of boring <br /> equipment. <br /> 3.0 SAMPLING AND LOGGING <br /> Discrete or continuous cores of drive samples will be obtained, evaluated, and retained. A <br /> detailed log of these samples will be made. <br /> II <br /> 4 <br /> B — 1 DA991171PROTOCOL.WPN[ <br /> BOYAJIAN & ROSS, INC. <br /> Environmental Scientists & Engineers <br /> i <br />