Section 460.2382. Heating value; authorized variations.  


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  • (1) The heating value of substitute natural gas and mixed gas shall be considered as being under the control of the utility. The average heating value on 1 day shall not be more than or less   than   the    standard total heating value range set forth in

    the  utility's    rules.     utility shall not add air to a gas stream if this results in a heating value that is below 1,000 British thermal units per standard cubic foot.

    (2) The average monthly heating value of  gas  that  is  supplied  by  a utility shall be 1,025 British thermal units per standard cubic foot, plus or minus 75 British thermal units. A greater variation may be authorized by the commission upon a showing by the utility that the variation will not adversely affect the efficient   and  satisfactory operation   of  its customers' appliances.

History: 1979 AC; 1993 AACS.