170 IAC 5-1-19 System instrumentation; testing requirements

Sec. 19. System Instrumentation. (A) Pressure Records. Periodic test shall be made of pressure maintained in various districts, and the records or charts so obtained shall be filed where they may be conveniently examined by authorized personnel of the Commission. (B) Meters. Each public utility shall install meters where necessary, so that total gas send-out may be determined. (C) Heating Value Measurement. Each utility distributing other than natural gas (gases whose heating value can vary significantly over a period of time) shall have equipment for measuring the heating value of the gases distributed or shall have such information available. Heating value measurements shall be made as often as necessary to verify that the gas being distributed is within the required heating value limits.