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Morton Paint Company <br /> ' April 30 , 1987 <br /> monitoring system (Oil Recovery Systems Inc. , No. 1231020 ) to be <br /> used at the site are included with this proposal. The system <br /> design for the site was developed using plot diagrams provided by <br /> Morton Paint Company. The installation will require that the <br /> tank pit be accessed through ten PVC "draw points" . This will <br /> allow the CMS-3000 to "pull" several air samples from the tank <br /> pit and "compare" the samples to a background sample. If <br /> ' volatile organic compounds (VOC) are detected the CMS-3000 will <br /> respond with an audio and visual alarm. Detailed worksteps and <br /> ' costs for the installation are presented below. <br /> The following text outlines the installation procedures. <br /> A. Install ten well point probes within the backfill <br /> surrounding the tanks . The probes will be located at <br /> each corner of the tank pit , and staggered along <br /> the long edge of the tank pit (See Site Plan) . A <br /> 3/4-inch diameter FVC well screen will be installed <br /> ' to a depth of 15 feet or to the native soil beneath <br /> the tank pit backfill. The well head of the probe <br /> will be contained within a steel street box with <br /> traffic rated steel manhole cover. The box will <br /> be cemented in place. <br /> b. Excavate a 6 inch wide by 12 inch deep trench between <br /> ' the vapor probe locations and the CMS console which <br /> will be installed inside a nearby building. Any <br /> ' asphalt overlying the selected trench route will be saw <br /> cut prior to excavation. A 1-inch diameter PVC <br /> 2 <br /> 1 <br />