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b) The following table lists the chemical hazard(s) of concern for this site based on the best <br /> available data to CRA at the time of preparing this HASP. <br /> Ionization Odor OSHA Flash <br /> Compound Potential(eV) Threshold PEL/TLV IDLH Point <br /> Based on Phase I Assessment,do not expect to encounter any compounds during soil sampling activities. <br /> NI - No Information. <br /> NA - Not Applicable. <br /> Ionization Potential - This is the level that must be reached for full ionization of the material to take place(i.e.,a <br /> material with a 12.2 eV IP cannot be monitored by a PID with a 10.6 eV lamp because the IP is too <br /> high,thus giving a false reading). <br /> Odor Threshold - This is the lowest concentration at which you may begin to smell the contaminant. <br /> OSHA PEL - Permissible Exposure Limit(8-hour day). <br /> TLV - Threshold Limit Value(8-hour day). <br /> IDLH - Immediately Dangerous to Life and Health(30-minute escape). <br /> Flash Point - This is the temperature that the material begins to give off flammable vapors. <br /> C) Physical Hazards <br /> Slip,Trip,Falls-Good housekeeping will be maintained at all work sites. Trip hazards will be <br /> removed,marked,or guarded. Extreme caution shall be used when working on or around <br /> slippery surfaces,and fall protection will be worn at elevations greater than 3 feet. All necessary <br /> precautions will be taken to prevent personnel from injuries caused by slick surfaces. <br /> Back Strain-Proper lifting techniques shall be used when handling heavy or bulky loads,such as <br /> sampling equipment or sample coolers. Personnel shall lift with legs,keeping backs straight,and <br /> loads close to their bodies. Avoid twisting at the waist during lifting. Personnel shall receive <br /> help from others when loads appear to be too heavy. Mechanical means of lifting is the preferred <br /> method and will be used whenever possible. <br /> Buried Utilities-All buried utilities shall be identified prior to any intrusive work in the work <br /> area. Buried utilities will never be located by mechanically powered excavating equipment. <br /> Buried utilities shall be located by hand excavation. QS Form Number QSF-019 (Property <br /> Access/Utility Clearance Data Sheet)will be completed and distributed as indicated. <br /> Electrical-Only qualified personnel are authorized to work on electrical circuits. CRA Lock <br /> Out--Tag Out SOPs shall be used before any maintenance on electrical circuits or equipment is <br /> to take place. Extension cords will be inspected daily. Damaged extension cords will be taken <br /> out of service immediately. Electrical cords not specifically made for water submersion will be <br /> kept out of wet areas. Ground fault circuit interrupters(GFCI)will be used on all temporary <br /> electrical circuits(including generators), unless an assured ground fault inspection program has <br /> been conducted and properly recorded. <br /> Small Quantity Flammable/Combustible Materials-Small quantities of flammable/combustible <br /> materials shall be stored in"safety"cans with appropriate flame arrestors,self-closing lids,and <br /> labeled according to their contents. <br /> 031090(2) 3 CONESTOGA-ROVERS&ASSOCIATES <br /> CRA 200016 QSF-013 Rev.3-05/17/1999 <br />