- (a) En 503 through En 510 shall apply to every utility as defined by En 502.27, with the exception of liquefied petroleum gas ("LPG") operators and landfill gas operators.
- (b) En 511 and En 512 shall apply only to landfill gas operators and LPG operators as defined in En 502.13 and En 502.16.
Source. #13796, eff 10-25-23