Heating Value Limits

When the heating value of the gas distributed in the system is under the control of the utility, the following limits shall apply:#

A.Daily Btu. The average heating value on any one day may not exceed or fall below the total heating value (see COMAR 20.55.03.03B(2)) by more than 5 percent, except that the heating value may be increased by more than 5 percent during peak shaving or emergency operations in order to maintain the proper combustibility of the gas supplied to the customer.#

B.Monthly Average Btu. The monthly average heating value shall be not less than the total heating value filed in the utility's tariff.#