Section R. 460.2381 - Gas purityRule 81.
(1) Gas that is distributed by a utility to a customer must not contain more than 0.3 grains of hydrogen sulfide or more than 20 grains of total sulfur per 100 cubic feet, including the sulfur in any hydrogen sulfide.(2) Gas that is distributed by a utility to a customer must not contain flammable liquids in quantities that interfere with the normal operation of the customers equipment.(3) Gas that is distributed by a utility to a customer must not contain more than 2% carbon dioxide or 5 parts per million oxygen.(4) Gas that is distributed by a utility to a customer must not contain water in excess of 7 pounds per million cubic feet.Mich. Admin. Code R. 460.2381
1979 AC; 1993 AACS; 2020 MR 17, Eff. 9/3/2020