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<br /> TIWC <br /> LEVEL 3 SITE ASSESSMENT <br /> SCOPE OF WORK <br /> 0 Identify and mark location of underground utilities <br /> 0 Set up barricades, warning signs and fire extinguishers <br /> 0 Saw concrete in areas where drilling will occur <br /> 0 Set up drilling rig and auJler holes using a TWC certified <br /> Water Well Driller and ho low stem auger drill rig <br /> 0 Drill one hole 6' deep at each dispenser island <br /> 0 Drill a hole along the pipe channel chase <br /> 0 Drill one hole per tank at alternating ends and 2 holes per <br /> tank bed on each side <br /> 0 The auger samples of backfill will be screened on site using <br /> a organic vapor monitor <br /> 0 If there is apparent contamination, a discrete split spoon <br /> sample will be taken from the most contaminated zone in <br /> each hole and will be tested for appropriate parameters <br /> 0 If there is no ap~arent contamination, then samples will be <br /> taken 2' below t e bottom of the tank, pipe chase, and <br /> dispenser <br /> 0 Soil samples will be composited and tested for BTEX, TPH, <br /> and lead <br /> 0 All augering will be ~ut into DOT approved drums for <br /> disposal in the loca landfill <br /> 0 Install 3-5 monitoring wells if groundwater is encountered <br /> ! <br /> 0 Seal all other holes in accordance with TWC rules 'I <br /> 0 Load, transport and dispose of soil at landfill <br /> 0 Evaluate data and draw conclusions <br />