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�' r i +tom <br /> 4 R .6'7 1 % .sS 1.r _ <br /> I- <br /> 1 ` <br /> t 3. Safety goggles or glasses. Must be worn when working <br /> within 10 feet of operating heavy equipment (e.g., drill <br /> rig, backhoe) . Must be splash-proof when handling <br /> concentrated fuel product. <br /> 4. Nitrile or neoprene gloves. Must be worn when handling <br /> contaminated soil or water or drilling or digging into <br /> contaminated soil. <br /> !A <br /> �.y 5. Neoprene or butyl rubber safety boots, calf-length. Must <br /> be worn when walking on obviously contaminated soil and <br /> when working within 10 feet of operating heavy equipment. <br /> 5. Hardhat. Must be worn when working within 10 feet of <br /> F� <br /> operating heavy equipment. <br /> 547.9 EXPLOSION RAZAaD AND EVACUATIONi <br /> Whe;, measurements with a combustible gas meter (CGM) <br /> indicate -the presence of combustible gas revels equal to or <br /> exceeding the axplosivity action level (see Section 507.10.2) in <br /> the work area, the following action :oust be taken. ' <br /> 1. Extinguish all possible ignition sources in the work area <br /> v <br /> (e:g. , shut down electrically and fuel powered motors) . <br /> 2. . Move personnel at least 100 feet away from work area. <br /> 1 <br /> + 3 Leave CGM in work area and return to work area only if <br /> CGM alarm goes off and remains off for at least 15 i <br /> minutes. <br /> ✓1 <br /> 4. Contact Healt;: .and Safety Officer (HSO) . <br /> HAS-PRO507 HS-507-5 November 1990 <br /> i <br /> VA <br /> Im I OR R1 Iwo <br />