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1 <br /> I . INTRODUCTION <br /> The system designed to remediate the soil and groundwater at Exxon Retail Site(RS)7-3942 <br /> consists of a vapor extraction and treatment system(VETS) and a groundwater extraction and <br />' treatment system (GETS). The VETS and the GETS have been designed to operate <br /> simultaneously or independently, although operation of either system requires the operation <br /> of the catalytic oxidizer for hydrocarbon abatement. The mechanical and electrical portion of <br /> the VETS system will be purchased from a catalytic oxidizer vendor The operation and <br /> maintenance manual, thus far, contains information on the operation and maintenance of the <br /> GETS only. <br /> 2 . OPERATOR STAFFING AND TRAINING REQUIREMENTS <br /> The groundwater extraction and treatment system (GETS) will be monitored by an <br /> experienced Environmental Engineer, Chemist, or Scientist with a minimum of one year of <br /> experience The GETS will be operated and maintained by a Technician trained specifically <br /> on the operation of this system and experienced in the operation and maintenance of similar <br />' systems. Monitoring, operation, and maintenance of the GETS will be supervised by a <br /> Project level Engineer and Hydrogeologist <br /> 3 . MONITORING, INSPECTION, AND MAINTENANCE SCHEDULE <br /> The GETS will be visited on a weekly basis according to the following schedule <br /> System monitoring .. once every 2 weeks <br /> System inspections and maintenance . ...once every 2 weeks <br /> Project Engineer inspection. .. . ... once every 2 months <br /> The system monitoring and system inspection and maintenance will occur on staggered <br /> weeks. <br /> Monitoring of the GETS will be performed once every two weeks The parameters to be <br /> monitored for the groundwater extraction and treatment system are listed below- <br /> a) Volume of groundwater pumped from each well and total volume processed by <br /> the treatment system <br /> b) Depth to water and depth to top of pump for each extraction well <br /> c) Flow rate of air and water through air stripper <br /> 1 <br /> m7W3942wnw--r X <br />