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Each respirator shall be individually assigned and not interchanged between workers without <br /> cleaning and sanitizing. The cartridge / filters shall be changed after seven (7) daily uses. More <br /> frequent changes shall occur at the first sign of breakthrough based on contaminant warning <br /> properties (i.e. odors) or when the user experiences excessive breathing resistance. Employees are <br /> responsible for dating new cartridges when they are replaced. A dot is to be placed on each <br /> cartridge with a "Sharpie" waterproof marker each day the respirators are used. After seven dots <br /> are accumulated, the cartridges are to be replaced. Respirators shall be cleaned and stored in an <br /> uncontaminated sealed container after each use. <br /> All employees who have the potential of wearing a respirator shall be fit tested to ensure they <br /> utilize the proper size respirator. The fit test is conducted according to the manufacturer's <br /> suggestions. The test shall consist of a taste and odorous vapor qualitative test. Personnel that are <br /> unable to pass a fit test as a result of facial hair or facial configuration shall not enter a work area <br /> where respiratory protection may be required. <br /> 6.6 Levels Of Protection <br /> The level of Personal Protective Equipment must correspond to the level of hazards known, or <br /> suspected during a specific activity. <br /> 6.6.1 Level B: <br /> Level B equipment,used when appropriate, is as follows: <br /> • Positive pressure, full-face piece self-contained breathing apparatus (SCBA) or positive <br /> pressure supplied air respirator with escape SCBA (NIOSH approved). <br /> • Nomex Coverall (6 oz). <br /> • Disposable chemical resistant coverall (Polycoated Tyvek). <br /> • Outer gloves: neoprene or nitrile. <br /> • Inner gloves: latex or nitrile. <br /> • Sturdy steel-toe work boots. <br /> • Petroleum resistant covers over the work boots. <br /> • Hard hats. <br /> 6.6.2 Level C: <br /> Level C equipment,used when appropriate, is as follows: <br /> • Half-face, air purifying, canister equipped respirators (NIOSH approved) utilizing Organic <br /> Vapor/HEPA cartridges/filters. <br /> • Nomex Coveralls (6oz). <br /> • Disposable chemical resistant coverall (Polycoated Tyvek). <br /> • Outer gloves: leather, cotton, neoprene or nitrile. <br /> • Inner gloves: latex or nitrile. <br /> • Sturdy steel-toe work boots with petroleum resistant covers over the work boots if warranted. <br /> • Hard hats. <br /> • Safety glasses. <br /> FREY Page 11 <br />