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( b) Maximum quantity on -site <br /> Express in exact pounds ( not range codes ) the maximum quantity of <br /> each Extremely Hazardous Substance the facility has on -site at any time <br /> up to one year prior to the site visit. <br /> (c) Amount in largest container or interconnected containers <br /> Express in pounds the amount of each Extremely Hazardous Substance <br /> stored in the largest container or interconnected containers (this is the <br /> release amount used to determine the Vulnerable Zone) . <br /> (d ) Type and design of storage container or vessel <br /> Indicate the storage method of each Extremely Hazardous Substance , <br /> i . e . , drum , cylinder, tank , and their respective capacities ( it is helpful to <br /> indicate system types such as manifold versus vacuum as well ) . <br /> (e ) Nature of the hazard <br /> Describe the type of hazard (i . e . , fire , explosion ) and health effects <br /> (acute and chronic) most likely to accompany a spill or release of each <br /> Extremely Hazardous Substance . <br /> (3 ) Vulnerability Analysis <br /> ( a) Extent of the Vulnerable Zone <br /> For each Extremely Hazardous Substance present at a facility , provide <br /> the estimated geographical area (vulnerable zone) that may be subject to <br /> concentrations of an airborne Extremely Hazardous Substance at levels <br /> that could cause irreversible acute health effects or death to human <br /> populations following an accidental release . <br /> ( b ) Estimate Facility Population <br /> Provide an estimate of the maximum number of employees present at <br /> the facility at any given time , i . e . if the facility is unmanned except for <br /> routine maintenance by only one person then , the number of employees <br /> present at any given time shall be noted as one . <br /> (c) Critical Facilities <br /> Identify each critical facility by name and each critical facility' s maximum <br /> expected occupancy, within each vulnerable zone , which are essential to <br /> emergency response or house special needs populations (schools , day <br /> cares , public safety facilities , hospitals , etc . ) . If there are no critical <br /> facilities within the vulnerable zone , that shall be noted . <br /> (d ) Estimate Total Exposed Population <br /> Provide an estimate of the total exposed population (facility employees + general <br /> population + critical facilities) , within each vulnerable zone , that would be affected <br /> in a worst case release scenario . <br /> 15 <br />