Owners and operators using monthly automatic electronic line leak detection must comply with the requirements of this section.
- (1) Standards. For the purposes of this method, automatic electronic line leak detectors must be able to detect a leak rate of at least 0.2 gallons per hour at operating pressure from any portion of the piping that routinely contains a regulated substance with a probability of detection of at least 0.95 and a probability of false alarm of no more than 0.05.
- (2) Performance. Automatic electronic line leak detection tests must be performed in accordance with the manufacturer's instructions and any conditions or limitations specified in the certification of the equipment.
[Statutory Authority: Chapter 90.76 RCW. WSR 18-15-083 (Order 16-02), § 173-360A-0645, filed 7/18/18, effective 10/1/18.]