<div class="chunk-title">Sec. 18-121. - Definitions.</div>
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            <p class="p0">
               The following words, terms and phrases, when used in this article, shall have the
               meanings ascribed to them in this section, except where the context clearly indicates
               a different meaning:
               
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            <p class="p0">
               <span class="ital">Aboveground storage tank,</span> for the purpose of this article, means any container designed specifically to store
               or contain liquids or gases, with a capacity of 500 gallons or more, and of which
               ten percent or more of the surface area is above ground level and is readily visible
               in its normally-installed configuration.
               
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            <p class="p0">
               <span class="ital">Emergency response forces</span> means any individual or composite force or members of these forces who are chartered
               and/or recognized as having the responsibility and the primary authority in responding
               to potential, imminent or existing situations where there may be or has been a threat
               to life or damage to property. These include, but are not necessarily limited to,
               fire, emergency medical services, rescue units, law enforcement, and emergency management
               personnel, departments, agencies or teams.
               
            </p>
            <p class="p0">
               <span class="ital">National Fire Protection Association 704 Hazard Identification System</span> means a system recommended for identifying the hazard levels, if any, of the contents
               of fixed storage tanks and containers. Tanks containing no hazardous materials, under
               this system, also require placards to this effect, since responders sometimes have
               no readily accessible means of making this determination unless the tank is so marked.
               
            </p>
            <p class="p0">
               <span class="ital">704 decal</span> or <span class="ital">placard</span> means a diamond-shaped emblem containing four smaller symmetrical diamonds, one in
               each of the left, top, right, and bottom corners of the design. The left diamond is
               blue in color, overprinted with a number denoting in a numerical sequence from zero
               (no hazard) to four (extreme hazard) the degree of hazard to health. The top diamond
               is red in color, and denotes in the same manner and sequence the flammability level
               of the contents. The right diamond is yellow in color, and denotes the reactivity
               (explosivity) level of the contents. The bottom diamond is white, and with the use
               of symbols and abbreviated words instead of numbers, provides pertinent additional
               hazard information.
               
            </p>
            <p class="historynote0">
               (
               <a class="ordinance-link" href="" data-product-id="15271" data-ordinance-id="683443">
                  Ord. of 12-1-2014(2)
                  </a>
               )
               
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