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the support zone (typically a supply storage zone, this area should <br /> have the lowest risk of chemical contamination). Call LLNL <br /> Emergency Response Services at 911 and the ES&H Team 5 at 3- <br /> 5286. <br /> The exclusion zone must not be re-entered until the hazardous <br /> conditions have been evaluated and alleviated to the satisfaction of <br /> the LLNL Emergency Response Services and ES&H Team 5. <br /> SITE-WIDE EMERGENCIES <br /> Upon notification of a fire, explosion or other site-wide emergency, <br /> the designated LLNL emergency signal of one long (3 to 5 minute) <br /> horn-blast will be sounded and all site personnel shall stop work, <br /> decontaminate themselves to the best extent possible and listen for <br /> broadcasted emergency instructions. <br /> HAZARD EVALUATION <br /> Non-Chemical Hazards <br /> •Noise •Heavy Equipment <br /> •Slip/Fall Hazard •Heat Stress <br /> •Lifting Hazard <br /> Should it become necessary for workers to enter the tank or the <br /> excavation, a confined space entry permit will be obtained from <br /> ES&H Team 5 prior to the entry of any worker into a confined space. <br /> If shoring of the excavation is required, it will be installed under <br /> the supervision of a qualified civil engineer. <br /> All workers entering a confined space shall have current confined <br /> space training and follow all procedures in the most current version <br /> of LLNL H&S Manual Supplement 26.14 "Working in Confined Space". <br /> Fire Protection <br /> All flammable liquids and fuels must be stored in appropriate <br /> containers. Gasoline and diesel-driven engines must be shutdown <br /> prior to refueling. No smoking or possible sources of ignition (i.e. <br /> motor vehicles or welding) are allowed within 50 feet of the <br /> excavation, tank or stockpiled soil. All electrical equipment shall <br /> have ground-fault circuit interruptors. <br /> D-7 <br />