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s ars <br /> 05 <br /> * Electrical Hazards <br /> 9.3 HAZARD CONTROL MEASURES <br /> 9.3.1 PERSONAL PROTECTIVE EQUIPMENT <br /> * EPA Level D <br /> * EPA Level C (Organic vapor cartridge respirator.) <br /> * Follow instructions in the HASP <br /> 9.3.2 BARRIERS AND SIGNS <br /> Barriers and signs shall be installed around the open excavation. Signs shall state "NO <br /> SMOKING." <br /> FIRE and/or EXPLOSION PREVENTION <br /> Due to the presence of flammable materials and substances on the site, <br /> proper housekeeping practices will be followed. These include storing debris <br /> in a designated location for removal,job-site cleanup at the end of each day, <br /> and storage of hazardous materials according to Tait's existing practices and <br /> procedures. <br /> Tait shall have the appropriate fire extinguisher equipment on the job prior to the start <br /> of the project. No cutting torch, open flame, or spark producing equipment shall be <br /> used on the tank or piping at any time. Any source of ignition shall be at least 50 feet <br /> away from the excavation site. <br /> A properly calibrated flammable/combustible gas and oxygen analyzer is required on <br /> the job site prior to excavation or removal. Calibration of the meter must be within the <br /> last three months. <br /> All electrical lines, piping, and like items known to be associated with the tank shall be <br /> isolated or disconnected. <br /> If at anytime during the excavation, the lower explosive limit of the atmosphere around <br /> the tank exceeds 25 percent, all work will cease and proper mitigation procedures <br /> initiated. <br /> 17 <br />