Wis. Admin. Code § PSC 135.741
After 49 CFR 192.741(c), insert:
(dw) Each low pressure distribution system shall be equipped with telemetering or recording pressure gage or gages as may be required to properly indicate the gas pressure in the system at all times. At least once each year the pressure variation shall be determined throughout each system.
History: Cr. Register, October, 1999, No. 526, eff. 11-1-99.