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LEVEL "B" PROTECTION <br /> Equipment Protection Should be used when Limiting Criteria <br /> Provided <br /> - Pressure-demand, full The same level of The type and - Use only when the <br /> facepiece SCBA or respiratory atmospheric vapor or gases present <br /> pressure-demand protection but less concentration of are not suspected of <br /> supplied-air respirator skin protection hazardous substances containing high <br /> with SCBA that Level A have been identified and concentrations of <br /> require a high level of chemicals that are <br /> It is the minimum respiratory protection, harmful to skin or <br /> - Chemical-resistant level but less skin protection capable of being <br /> clothing (overalls and recommended for than Level A This absorbed through the <br /> long-sleeved packet, initial site entries involves atmospheres intact skin <br /> hooded, one- or two- until the hazards <br /> piece chemical splash have been further with IDLH - Use only when it is <br /> suit, disposal chemical- identified concentrations of highly unlikely that <br /> resistant one-piece suit) specific substances that the work being done <br /> do not represent a severe will generate either <br /> skin hazard, high concentrations of <br /> - Inner and outer or vapors, gases, or <br /> • chemical-resistant gloves that do not meet the particulates or <br /> criteria for use of air- splashes of material <br /> - Hard hat purifying respirators that will affect <br /> exposed skin <br /> - Two-way radio - Atmosphere contains <br /> communications less than 19 5 percent <br /> oxygen <br /> OPTIONAL <br /> - Presence of <br /> incompletely identified <br /> - Coveralls vapors or gases is <br /> indicated by direct- <br /> Disposable boot reading organic vapor <br /> covers detection instrument, but <br /> vapors and gases are not <br /> - Face shield suspected of containing <br /> high levels of chemicals <br /> - Long cotton harmful to skin or <br /> underwear capable of being <br /> absorbed through the <br /> intact skin <br /> 14 <br />