Md. Code Regs. 26.10.17.12 - Inspection Requirements for an AST System

A. Periodic Visual Inspections.

(1) An owner, an operator, and a person in charge of an AST system with a shop-fabricated AST shall conduct periodic visual inspections in accordance with:

(a) The inspection procedures under §A(2) or (3) of this regulation; and

(b) The recordkeeping requirements under §A(4) and (5) of this regulation.

(2) An owner, an operator, and a person in charge of an AST system with a shop-fabricated AST may meet the visual inspections requirement in §A(1) of this regulation by, at a minimum:

(a) Inspecting for the following conditions monthly:

(i) Signs of spills, releases, or discharges from any portion of the AST system;

(ii) Water in the secondary containment dike and AST or, if a double-walled AST, the primary storage tank and interstice;

(iii) The condition of the secondary containment dike, including drain valves;

(iv) Signs of shell distortion;

(v) Signs of settlement;

(vi) Signs of corrosion;

(vii) The condition of the AST foundation or supports;

(viii) The condition of the exterior coating of the AST system;

(ix) The condition of seams, rivets, and nozzle connections;

(x) The condition of valves, pumps, piping, and other appurtenances directly connected to the AST;

(xi) The condition of the tank gauge or an equivalent monitoring device;

(xii) The condition of release detection systems; and

(xiii) The condition of overfill protection equipment;

(b) Inspecting containment sumps associated with an underground piping system monthly by:

(i) Checking for evidence of a spill, release or discharge; and

(ii) Removing any liquid or debris; and

(c) Removing any water found during the monthly inspection from the secondary containment dike and AST or, if a double-walled AST, the primary storage tank and interstice.

(3) An owner, an operator, and a person in charge of an AST system with a shop-fabricated AST may meet the periodic visual inspections requirement in §A(1) of this regulation by conducting periodic AST inspections in accordance with STI/SPFA SP001 "Standard for the Inspection of Aboveground Storage Tanks".

(4) An owner, an operator, and a person in charge of an AST system with a shop-fabricated AST shall maintain the following records related to periodic visual inspections:

(a) If the AST system was inspected in accordance with §A(2) of this regulation, a written log or electronic record that includes:

(i) The date of the inspection;

(ii) The name and title of the individual performing the inspection;

(iii) A description of each deficiency found;

(iv) The name and title of the individual notified of the deficiencies found; and

(v) A record of how and when the deficiencies were corrected; and

(b) If the AST system was inspected in accordance with §A(3) of this regulation, the completed monthly and annual inspection checklists in STI/SPFA SP001 "Standard for the Inspection of Aboveground Storage Tanks".

(5) An owner, an operator, and a person in charge of an AST system with a shop-fabricated AST shall maintain the records required in §A (4) of this regulation in accordance with Regulation .14 of this chapter.

B. An owner, an operator, and a person in charge of an AST system with a shop-fabricated AST shall conduct corrosion protection system inspections in accordance with Regulation .10 of this chapter.

C. An owner, an operator, and a person in charge of an AST system with a shop-fabricated AST shall:

(1) Inspect and clean normal and emergency vents for the shop-fabricated AST annually; and

(2) Maintain records of the vent inspection and cleaning required in §C(1) of this regulation in accordance with Regulation .14 of this chapter.

D. Formal Inspections and Leak Testing. In accordance with the procedures in STI/SPFA SP001 "Standard for the Inspection of Aboveground Storage Tanks", an owner, an operator, and a person in charge of an oil storage facility or oil handling facility operating under an Individual Oil Operations Permit required under COMAR 26.10.01.09A shall:

(1) As described in Section 5.0 of STI/SPFA SP001 "Standard for the Inspection of Aboveground Storage Tanks", determine the formal inspection and leak testing schedule by the shop-fabricated AST size and category;

(2) Have a certified inspector conduct formal external inspections and formal internal inspections on a shop-fabricated AST;

(3) Have properly trained personnel conduct leak tests on a shop-fabricated AST in conjunction with a certified inspector conducting formal inspections on the shop-fabricated AST; and

(4) Comply with the formal inspection report requirements under §E of this regulation.

E. Formal Inspection Report.

(1) The certified inspector that conducts a formal external inspection or formal internal inspection of a shop-fabricated AST in accordance with §D of this regulation shall complete a final report for the formal inspection that, at a minimum:

(a) Includes field data, measurements, pictures, drawings, tables, and an inspection summary;

(b) Identifies unacceptable conditions and recommends corrective actions;

(c) Determines the suitability of the AST for continued service per Section 10.0 of STI/SPFA SP001 "Standard for the Inspection of Aboveground Storage Tanks";

(d) Includes the date of the next scheduled formal external inspection or formal internal inspection; and

(e) Includes the name and STI SP001 certification number of the certified inspector.

(2) An owner, an operator, and a person in charge of an oil storage facility described in §D of this regulation shall:

(a) Include the leak test results and supporting data in the final report for a shop-fabricated AST required under §E(1) of this regulation; and

(b) Maintain the final reports completed for each formal inspection and leak test conducted on a shop-fabricated AST in accordance with Regulation .14 of this chapter.

Notes

Md. Code Regs. 26.10.17.12

Regulation .12 adopted effective 49:12 Md. R. 642, eff. 6/13/2022