23 CAR § 464-706. Gas quality monitoring and testing

(a) Gas BTU content monitoring and testing. (1) Each gas utility shall monitor the BTU content of gas supplied to its customers. (2)(A) Each gas utility shall make heating value tests using equipment designed for that purpose. (B) This equipment must be operated and maintained in accordance with the manufacturer's instructions. (C) Equipment tests and/or calibration records shall be available for review by Arkansas Public Service Commission staff. (3) A utility is exempt from making its own heating value tests if the: (A) Utility's gas supplier provides adequate BTU records to the utility; or (B) Utility has sufficient tests performed by an accredited laboratory. (b) Location of tests. (1) Heating value tests shall be made at locations that will ensure a representative sampling of the gas delivered to the utility's distribution systems. (2) If the utility is provided a continuous heating value monitoring report from the gas supplier, this report may be used to satisfy the requirements of this section. (c) Frequency of tests. (1) Heating value tests other than continuous sampling shall be made at least once every four (4) months. (2) These cycles may be scheduled to coincide with seasonal pressure adjustments of systems and wells supplying the distribution system.