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Ripon Milling Inc. Page 1 <br /> Monitoring Well Installation Work Plan <br /> Appendix A <br /> Project No.253.2 <br /> February 3, 1995 <br /> 1.0 HEALTH AND SAFETY PROGRAM <br /> Geological Technics has incorporated the following health and safety precautions while working on <br /> �. sites containing unidentified hazardous waste. Once the nature and extent of contamination has been <br /> determined,additional work on site will be met with the proper precautions. <br /> ` 1.1 Workers Health and Safety <br /> 1.1.1 Work Space Safety <br /> The perimeter of the work space should,if possible,be 20 feet from the drilling rig or excavation site. <br /> The working perimeter will be marked by brightly colored delineators. All unauthorized personnel <br /> will not be allowed access into the work space. <br /> t <br /> The project supervisor will coordinate all field activities and maintain the safestpossible working <br /> environment at all times. If an emergency occurs,the supervisor will immediately contact the proper <br /> authorities. <br /> 1.12 Skin and Head Protection <br /> Disposable suits, boots, and gloves will be worn when the working conditions require such <br /> f precautions. <br /> LDisposable plastic gloves will be worn at all times during soil and-groundwater sampling. The gloves <br /> will be changed after each sample has been collected. <br /> Used disposable clothing will be properly discarded at the end of each working day. <br /> Hard hats will be worn during drilling, excavation, and other activities in which potentially <br /> dangerous equipment is being operated within the work space_ <br /> 1.1.3 Face and Respiratory Protection <br /> During drilling and excavation activities, the working air space will be periodically monitored with <br /> either a Photo Ionization Detector (PID) or SKC Color-Detector Tubes (Draeger Tubes) for gas and <br /> vapor content. The PID measures the total organic compounds(VOC}vapor concentration while the <br /> Detector Tubes measures the levels of specific compounds in the air being sampled. Monitoring of <br /> the working air space shall be concentrated around the drilling rig and in the down wind direction. <br /> If working air space concentrations exceed the Permissible Exposure Limits, then the workers will <br /> wear respirators with organic vapor cartridges. <br /> If working air space at the perimeter of the working space has levels that exceed the Permissible <br /> Exposure Limits for more then 15 minutes, then the drillingor excavation activity will halt until the <br /> ry <br />' concentrations can be maintained below the Permissible Exposure Limits. <br /> 5 <br />