Section 173-360-335. Release detection for petroleum UST systems.

(1) Owners and operators of new and existing petroleum UST systems shall provide a method, or combination of methods, of release detection that:

(a) Can detect a release from any portion of the tank and the connected underground piping that routinely contains a regulated substance;

(b) Is installed, calibrated, operated, and maintained in accordance with the manufacturer's instructions, including routine maintenance and service checks for operability or running condition; and

(c) Meets the performance requirements in WAC 173-360-345 or 173-360-350.

(2) Owners and operators of petroleum UST systems shall monitor tanks and piping for releases as follows:

(a) Tanks. Tanks shall be monitored at least every thirty days for releases using one of the methods listed in WAC 173-360-345 (6)(e) through (j) except as provided in WAC 173-360-345 (2) through (5).

(b) Piping. Underground piping that routinely contains regulated substances shall be monitored for releases as required under WAC 173-360-350.

(3) Owners and operators of any existing UST system that cannot apply a method of release detection that complies with the applicable requirements of WAC 173-360-330 through 173-360-355 shall complete the closure procedures in WAC 173-360-380 through 173-360-398 by the date on which release detection is required for that UST system under WAC 173-360-330.

[Statutory Authority: Chapter 90.76 RCW. WSR 95-04-102, § 173-360-335, filed 2/1/95, effective 3/4/95; WSR 90-24-017, § 173-360-335, filed 11/28/90, effective 12/29/90.]

Chapter 90.76 RCW. WSR 95-04-102, § 173-360-335, filed 2/1/95, effective 3/4/95; WSR 90-24-017, § 173-360-335, filed 11/28/90, effective 12/29/90.

Rules

173-360-345,173-360-350,173-360-345,173-360-345,173-360-350,173-360-330,173-360-355,173-360-380,173-360-398,173-360-330,