Mich. Admin. Code R. 460.2383 - Heating value records; location and accuracy of measuring equipment; frequency of heating value determination
Rule 83.
(1) A
utility shall maintain records of the heating value of the gas it distributes.
Heating value test records must be preserved for a minimum of 6 years. A
utility shall utilize either the industry standards that are adopted by
reference in R 460.2344(d) or other standards that are approved by the
commission for heating value determination methods.
(2) Heating value measuring equipment must be
installed in suitably located testing stations.
(3) The accuracy of all heating value
measuring equipment and the method of making heating value tests must meet the
industry standards that are adopted by reference in R 460.2344(d) or must
otherwise be approved by the commission. Recording equipment must be tested, at
a minimum, annually.
(4) The utility
shall determine the heating value of substitute natural gas and mixed gas at a
minimum of twice a day and shall make the tests during the periods of the a.m.
and p.m. peak demands.
(5) The
utility shall determine the heating value of gas at least once a month. A
utility that sells gas subject to a thermal adjustment shall determine the
heating value at least once a day.
Notes
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