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May 2011 <br /> ••®••1•R••,t••. <br /> Project No. 1001-0343 µ . <br /> will be completely inerted and partially filled with a 2-sack concrete slurry. Additionally, vapor <br /> levels will be measured to ensure a non-explosive atmosphere. <br /> Also, gas or sewer lines can contain hazardous levels of explosive or toxic gases, which <br /> may pose a fire risk. The risk of fire on site may also stem from the presence of vegetation, <br /> heat and fuel sources from construction equipment and site vehicles, or from the presence of <br /> combustible gases or vapors in contaminated soil and/or wells. The potential exposure to fire <br /> and explosion hazards is considered low. <br /> Traffic Hazards. Work activities along roadways, parking areas, and entrance and exit <br /> areas create exposure to traffic hazards. Field activities will occur in an area not used for <br /> vehicle access. The potential exposure to traffic hazards is considered low to moderate. <br /> Therefore, appropriate measures, ie cones, barricades, will be employed as necessary to <br /> protect workers from the onsite movement of vehicles. <br /> GENERAL SAFETY RULES <br /> 1. There will be no eating, drinking, or smoking within the safe perimeter set up. <br /> 2. Fire extinguishers will be onsite on or near Padre Associates, Inc.'s vehicle. <br /> 3. A first aid kit is located at the onsite command post. <br /> EQUIPMENT <br /> Personal Protective Equipment. On the basis of the evaluation of potential hazards, <br /> the level of protection deemed appropriate for this site is Level D. If organic vapor <br /> concentrations in the breathing zone exceed 40 parts per million by volume (ppmv), EPA Level <br /> C personal protective equipment will be used. These concentrations are based on personnel <br /> exposure limits (PELs) and threshold limit values (TLVs) of the various contaminants <br /> anticipated, with some consideration given to possible contaminants encountered in <br /> combination. <br /> Level D equipment includes: <br /> hard hat <br /> steel toe and shank boots <br /> safety glasses or goggles <br /> gloves <br /> Level C equipment includes: <br /> full or half face respirator <br /> dual cartridge with organic vapor/acid gas hepa filtration <br /> steel toe neoprene boots <br /> Tyvek suits <br /> latex inner gloves <br /> PVC outer gloves <br /> duct tape <br /> I0.0M.TWP HSP essesamentroAsed <br /> - B -5- <br />