Section 29.2121. General requirements for all UST systems.

Section 280.40 is amended to read as follows:

Section 280.40. Upon purchase or acquisition of an existing UST system and upon request by the department, the owners and operators of the system shall provide the department with not less than 2 years of leak  detection   records as required by section

280.45.        If the   records    are     unavailable,      then    the owner/ operator shall conduct tightness  testing  as  provided in sections 280.43(c) and 280.44(b).

(a)    Owners and operators of new and existing UST systems shall provide a method, or combination of methods, of release detection that is in compliance with all of the following provisions:

(1)     Can detect a release from any portion of the tank and the connected underground piping that routinely contains product.

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

(3)    Meets the performance requirements in section 280.43 or 280.44, with any performance claims and their manner of determination described in writing by the equipment manufacturer or installer. In addition, except for methods  permanently installed before December 22, 1990, a release detection method shall be capable of detecting the leak rate or quantity specified for the method in section 280.43(b), (c), and (d) or section 280.44(a) and (b) with a probability of detection of 0.95 and a probability of false alarm of 0.05.

(b)     If a release detection method operated in accordance with the performance standards in sections 280.43 and 280.44 indicates a release may have occurred, then owners or operators shall notify the department in accordance with the provisions of subpart E of these rules.

(c)   Owners and operators of all UST systems  requiring  registration   under section

280.22 shall comply with this subpart  by  the  year listed in  the following table:

SCHEDULE FOR PHASE IN OF RELEASE DETECTION

Year system was installed                  Year when release detection is required (by December 22 of the year

indicated)

1989       1990   1991    1992     1993

Before 1965 date unknown	RD	P
1965-69		P/RD
1970-74		P	RD
1975-79		P		RD
1980-88		p			RD

For new tanks after December 22, 1988, immediately upon installation. P=Shall begin release detection for all pressurized piping in accordance with section 280.41(b)(1) or section 280.42(b)(4) as applicable for the substance stored. RD=Shall begin release detection for tanks and suction piping in accordance with section 280.41(a), section 280.41(b)(2), or section 280.42 as applicable for the substance stored.

(d)  The owners and operators of an existing UST system that  has  not complied with the requirements of this subpart shall complete  the  closure procedures in subpart G of these rules.

History: 1998-2000 AACS.