1. (a) Prevention of releases. All owners and operators of UST systems shall ensure that the systems are operated, maintained, and managed in a manner that will prevent releases of regulated substances from such systems.
2. (b) UST system management. UST systems shall be operated, maintained, and managed in accordance with accepted industry practices.
3. (c) Inventory control. On or after the effective date of this subchapter, regardless of which method of release detection is used for compliance with §334.50 of this title (relating to Release Detection), effective manual or automatic inventory control procedures shall be conducted for all UST systems at retail service stations where petroleum substances used as motor fuels are stored and dispensed from fixed equipment into the fuel tanks of motor vehicles and where such dispensing is an act of retail sale. Such inventory control procedures shall be in accordance with a code or standard of practice developed by a nationally recognized association or independent testing laboratory. Complete and accurate inventory records shall be maintained in accordance with §334.10 of this title (relating to Reporting and Recordkeeping).
4. (d) Spill and overfill control. All owners and operators shall ensure that spills and overfills of regulated substances do not occur and that all spill and overfill prevention equipment is properly operated and maintained in accordance with §334.51 of this title (relating to Spill and Overfill Prevention and Control).
5. (e) Operational requirements for release detection equipment. Owners and operators of all new and existing underground storage tank systems shall ensure that all release detection equipment installed as part of a UST system pursuant to §334.50 of this title (relating to Release Detection) is maintained in good operating condition. The owner or operator shall also assure that such equipment is routinely inspected and serviced in accordance with the manufacturer's specifications and in a manner that will assure the proper performance, operability, and running condition of the equipment. Where periodic testing and/or monitoring activities are required as part of a specific release detection method under §334.50 of this title (relating to Release Detection), such tests and/or monitoring activities shall be performed at the prescribed times and/or frequencies.
6. (f) Operation requirements for corrosion protection systems. All owners and operators of UST systems shall assure that all required UST system components are continuously protected from corrosion, and that all corrosion protection systems are inspected and tested, in accordance with the applicable provisions of §334.49 of this title (relating to Corrosion Protection).
7. (g) Operation and maintenance records. Owners and operators shall maintain records relating to the operation and maintenance of a UST system (including records related to inspection, servicing, testing, and inventory control) as prescribed in this section for at least five years, and such records shall be maintained in accordance with §334.10(b) of this title (relating to Reporting and Recordkeeping).

Source Note:The provisions of this §334.48 adopted to be effective September 29, 1989, 14 TexReg 4714.