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0 0 <br />Level A: Should be worn when the highest level of respiratory, skin, <br />and eye protection is needed. <br />Level B: Should be selected when the highest level of respiratory <br />protection is needed, but a lesser level of skin protection is required. <br />Level C: Should he selected when the tvpes of airborne substances are <br />known, the concentration is measured, and the criteria for using air <br />purifying respirators are met. <br />Level D: Should not he worn on env site with respiralory or skin <br />hazards. It is primarily a work uniform providing minimal protection. <br />C. Required Protection <br />It is anticipated that Level D work clothing will be worn on this project. <br />In addition, the personnel working on the project will be required to wear a <br />hard hat, safety glasses and steel toed boots. As the project Involves the <br />drilling of soil borings and excavations, the only anticipated exposures will <br />occur during the drilling and excavation activities. <br />Should the odors encountered during the drilling become irritating or <br />of a nuisance to the workers, the personnel assigned to the project will <br />upgrade their personal protection with appropriate clothing and respiratory <br />prolective equipment. <br />AAT will provide it's employees with required personal protective <br />equipment. If respirators are deemed necessary, only NIOSH/MSIIA certified <br />respiratory prolective equipment Witt be utilized. AAT sub -contractors are <br />responsible to supply the appropriate safety equipment for their own <br />employees. <br />7.0 WORK ZONES AND SECURITY MEASURES <br />General A site must be controled to reduce the possibility of exposure <br />to any contaminants present and their transport by petsonnel or equipment <br />from the site. This control system is required to assure that personnel and <br />equipment working on the hazardous Waste site are subjected to appropriate <br />health and safely surveillance. The possibility of exposure or translocation of <br />contaminants can be reduced or eliminated in a number of ways, including: <br />Setting up security of physical barriers to exclude unnecessary <br />personnel from the general area <br />Minimizing the number of personnel and equipment onsite consistent <br />with effective operations <br />Establishing work zones within the site <br />Establishing control points to regulate access to work zones <br />Conducting operations in a manner to reduce the exposure of personnel <br />and equipment <br />