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Page 12 <br /> LW <br /> I" occupational Foot Protection (29 CFR 1910. 136) <br /> All employees and or site personal shall be required to wear <br /> safety toe footwear meeting ANSI 241 . 1-1967 for Men 's Safety- <br /> �, Toe Footwear. In , general workers at hazardous waste sites <br /> must wear leather or rubber boots with steel toes and steel <br /> shanks. <br /> Personal Protective Equipment (PPE) , (29 CFR 1910) <br /> SfI2ction of Reseiratgry Equipment <br /> As previously discussed , air purification respirators will be <br /> used when ambient levels of fuel constituents reach levels <br /> over 300 parts per million on a eight hour basis, and or <br /> exceed 500 parts per million in a 15 minute period. <br /> Air-purifying respirators consist of a facepiece and an air- <br /> purifying device, which is either a removable component of <br /> the facepiece or an air-purifying apparatus worn an a body <br /> harness and attached to the facejaiece by a corrugated <br /> breathing hose. Air-purifying respirators selectively remove <br /> specific airborne contaminates from ambient air by <br /> filtration , absorption , adsorption , or chemical reactions. <br /> ' They are approved for use in atmospheres containing specific <br /> chemicals up to designated concentrations, and not for IDLH <br /> atmospheres. Air '-purifyingrespirators have limited use at <br /> hazardous waste sites and can be used only when the ambient <br /> atmosphere contains sufficient oxygen (19. 5!) . Selection of <br /> the proper- chemical absorbent cartridge for constituents <br /> encountered at _the work: site is necessary for proper <br /> protection of the wearer. Additionally most chemical sorbent <br /> LN canisters are imprinted with an expiration date. They may be <br /> used t,lp to that date as long as they were not opened , <br /> ' previously. once opened , they begin to sorb humidity and air <br /> contaminates whether or not they are in use. Their efficiency <br /> LO and service 1ife 'decreases and therefore they should be used <br /> immediately. <br /> Selection of Protective Clothing end AcCeasor i es <br /> The-individual components of clothing and equipment will be <br /> V assembled into a full protective ensemble that both protects <br /> the worker from the site--specific hazards and minimizes the <br /> hazards and drawbacks of the PPF ensemble itself . Following <br /> are the levels of protection with recommend equipment , <br /> L protection provided , when level should be used and limiting <br /> criteria. Level D and Level C are most common levels of <br /> t protection required in the scope of work: anticipated, Level B <br /> is not anticipated but is included in following Table <br /> L.. <br />