# COMAR Title 26 — Department of the Environment

## Subtitle 10 — Oil Pollution Control and Storage Tank Management

### Chapter 18 — Field-Erected Aboveground Storage Tanks

#### Regulation .08 Release Detection.

*COMAR 26.10.18.08*

A. An owner, an operator, and a person in charge of an AST system with a field-erected AST shall provide a method or combination of release detection methods that detect a spill, release, or discharge from the AST system through:

  (1) Visual inspections of the AST system in accordance with Regulation .11 of this chapter;

  (2) A continuous electronic release detection system; or

  (3) A continuous mechanical release detection system.

B. An owner, an operator, and a person in charge of an AST system with a field-erected AST using a continuous electronic or mechanical release detection system shall:

  (1) Install, calibrate, operate, and maintain the release detection system in accordance with the manufacturer’s instructions; and

  (2) At least annually:

    (a) Perform routine maintenance on the release detection system;

    (b) Check the release detection system for operability at scheduled service checks; and

    (c) Per the manufacturer’s specifications, inspect, field-test, or calibrate the release detection system to verify that the selected release detection method is being maintained and operated properly to detect a spill, release, or discharge.

C. An owner, an operator, and a person in charge of an AST system with a field-erected AST shall monitor underground piping connected to the AST for spill, releases, and discharges in accordance with COMAR 26.10.05.02D.