# COMAR Title 26 — Department of the Environment

## Subtitle 11 — Air Quality

### Chapter 13 — Control of Gasoline and Volatile Organic Compound Storage and Handling

#### Regulation .05 Gasoline Leaks from Tank Trucks.

*COMAR 26.11.13.05*

A. Equipment Standards. A person may not allow a gasoline tank truck to be filled or emptied unless the tank has been certified as capable of sustaining a pressure change of not more than 3 inches of water in 5 minutes when pressurized to a gauge pressure of 18 inches of water (4,479 kilonewtons/square meter), or evacuated to a gauge pressure of 6 inches of water (1,493 kilonewtons/square meter), during a test, according to the procedure referenced in §B(2) of this regulation.

B. Method of Compliance. A person who owns or operates a gasoline tank truck subject to this regulation shall:

  (1) Conduct a certification test annually, in accordance with the test method referenced in §B(2) of this regulation;

  (2) Use the certification test procedures as prescribed in Method 1007 of the Department’s Technical Memorandum 91-01, “Test Methods and Equipment Specifications for Stationary Sources” January 1991, as amended through Supplement 3 (October 1, 1997), which is incorporated by reference in COMAR 26.11.01.04C; and

  (3) Complete any needed repairs, and retest within 15 days of the original test date.

C. Determination of Compliance.

  (1) A person who owns or operates a gasoline tank truck shall display the certification test expiration date on the truck. This expiration date shall be placed near the Department of Transportation Certification plate required by 40 CFR §178.340-10B.

  (2) The Department may at any time monitor gasoline tank trucks for leak-tight conditions using the procedures described in Method 1008 of the Department’s Technical Memorandum 91-01, “Test Methods and Equipment Specifications for Stationary Sources” January 1991, as amended through Supplement 3 (October 1, 1997),which is incorporated by reference in COMAR 26.11.01.04C.

D. Record Keeping and Reporting.

  (1) A person who owns or operates a gasoline tank truck shall:

    (a) Maintain records of all tests, repairs, and retests for at least 2 years after the respective dates of completion;

    (b) Submit to the Department, upon request, copies of certification test records from tests required in Regulation .04A(3)(a) of this chapter.

  (2) The records shall contain the following information:

    (a) Gasoline tank truck tank number;

    (b) Date of test;

    (c) Date and type of repair, if applicable;

    (d) Date of retest, if applicable;

    (e) The initial test pressure and the time of the reading;

    (f) The final test pressure and the time of the reading;

    (g) The initial test vacuum and the time of the reading;

    (h) The final test vacuum and the time of the reading.