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[i] Stationary tanks shall be labeled with the maximum rate of release for the gas <br />contained based on any valves or fittings that are inserted directly into the tank. <br /> <br />[ii] If multiple valves or fittings are provided, the maximum flow rate of release for the <br />valve or fitting with the highest flow rate shall be indicated. If liquefied gasses are in <br />contact with any valve or fitting, the liquid flow rate shall be utilized for purposes of <br />computation of the maximum flow rate of release. All flow rates indicated on the label <br />shall be converted to cubic feet per minute of gas at normal temperature and pressure. <br /> <br />(6) Portable tanks and cylinders. <br /> <br />[i] For portable tanks and cylinders, the maximum flow rate of release shall be calculated <br />based on assuming the total release from the cylinder or tank within the time specified in <br />the Table below: <br /> <br />Container Non liquefied Liquefied <br /> Minutes Minutes <br /> <br />Cylinders 5 30 <br />Portable Tanks 40 240 <br /> <br />[ii] When portable tanks or cylinders are equipped with approved reduced flow valves, <br />the worst case release will be determined by the maximum achievable flow from the <br />valve as determined by the valve manufacturer or the gas supplier. Reduced flow and <br />excess flow valves shall be permanently marked to indicate the maximum design flow <br />rate. Such markings shall indicate the flow rate for air under standard conditions. <br /> <br />(f) Exterior Storage. <br /> <br />(1) General. Persons responsible for a facility where there is exterior storage of any <br />regulated material shall comply with the provisions of this subsection and of the Uniform <br />Building Code as adopted and amended by the Pleasanton Municipal Code. <br /> <br />(2) Distance Limitation to Exposures. Exterior storage of regulated materials shall <br />not be within 75 feet of a building, structure, property line, street, alley, public way or <br />exit to a public way unless the storage is shielded by a structure which has a minimum <br />fire resistive rating of two hours and which interrupts the line of sight between the storage <br />and the exposure. The shielding structure shall be at least five feet from any exposure. <br />The shielding structure shall have not more than two sides which shall be at <br />approximately 90-degree directions. <br /> <br />(3) Openings in Buildings Subject to Exposure. When an exterior storage area is <br />located within 75 feet of a building, openings into the building other than piping shall not <br />be above the height of the top of the shielding structure referred to in subsection (f) (2) of <br /> 124 <br /> <br /> <br />