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• July 25, 2007 • 0 <br /> OPERATION AND MANAGEMENT PLAN <br /> 3202 MOURFIELD ROAD <br /> STOCKTON, CALIFORNIA <br /> OUR PROJECT NUMBER: E07124A <br /> 1.0 INTRODUCTION <br />• Neil 0. Anderson & Associates, Inc. (NOA) has prepared this Operation and <br /> Management Plan (0&M Plan) for the Verizon Wireless Building located at 3202 <br /> Mourfield Road, Stockton, California. The Building is within 1,000 feet of the boundary <br /> of a disposal area. This building is designed with a passive methane gas migration <br /> system located below the floor slab with a vent to the outside, along with two methane <br /> gas sensors. <br /> 2.0 POLICY <br /> • The methane migration system will need to be maintained and operated in a <br /> manner that assures compliance with regulatory agencies. <br /> • Maintenance Personnel shall be instructed and trained on how to monitor the <br /> readings and what to do in case of an alarm. <br /> • A copy of this 0&M Plan shall be available for all persons working on the <br /> property. Personnel shall be familiar with its contents and will be trained in <br /> operating the system. <br /> • In case of a problem with the system, appropriate corrective actions need to be <br /> conducted immediately. <br />• <br /> 3.0 DESCRIPTION OF SYSTEM OPERATION <br /> The passive methane migration system allows any build up of gases beneath the slab <br /> floor to be vented to the atmosphere and to act as a barrier between the subfloor and <br /> the work space. Any possible gas produced from the nearby disposal area that rises to <br /> beneath the slab of the building will enter the gravel subfloor. This gas within the <br /> gravel may then enter the horizontal pipes located beneath the slab within the gravel <br /> and travel up through the pipe, up the vent, and exit out the pipe protruding from the <br /> roof of the building. One sensor is located within the vens to detect any methane gas <br /> '-*44 <br /> • 902 Industrial Way-Lodi, CA 95240 <br /> 209 367 3701-Fax 209.369 4228 02007 Neil O.Anderson&Associates,Inc <br />