# COMAR Title 20 — Public Service Commission

## Subtitle 56 — Liquefied Petroleum Gas Systems

### Chapter 02 — Metering

#### Regulation .05 Records.

*COMAR 20.56.02.05*

A. Inventory. Each owner shall maintain records of each meter and associated metering device, which identify each item as to its design, capacity, and application. The identifying information shall include, as applicable:

  (1) Manufacturer;

  (2) Number;

  (3) Type;

  (4) Capacity;

  (5) Multiplier;

  (6) Constants;

  (7) Pressure rating; and

  (8) Compensated index with associated pressure.

B. History. Each owner shall maintain records for each meter and associated metering device, which shall show, as applicable:

  (1) Date of each installation;

  (2) Date of each removal from service; and

  (3) Current location.

C. Meter Test Records. Each owner shall maintain records for each test of a meter, which shall include the following:

  (1) The date and reason for the test;

  (2) The reading of the meter before making any test;

  (3) The accuracy “as found” at check flow and full rated flow; and

  (4) The accuracy “as left”, if applicable, at check flow and full rated flow.