# COMAR Title 11 — Department of Transportation

## Subtitle 21 — Motor Vehicle Administration — Commercial Motor Vehicles

### Chapter 02 — Diesel Vehicle Emissions Control Program

#### Regulation .07 Emissions Test Equipment.

*COMAR 11.21.02.07*

A. Equipment used to conduct the emissions test shall be:

  (1) Designed to meet the equipment specifications provided in SAE J1667;

  (2) Approved by the Maryland Department of the Environment; and

  (3) Maintained in accordance with manufacturer's specifications.

B. Maintenance records for emissions test equipment shall be maintained for a period of 4 years from the date of issue and shall include:

  (1) The dates of calibration;

  (2) The full legal name of the individual who calibrated the emissions test equipment; and

  (3) Any receipts for parts and repairs needed to maintain the emissions test equipment.