| Article I. Unmuffled Engine Retarders and Straight Pipes |
| Article II. Noise Control |
| HISTORY: Adopted by the Board of County Commissioners of Doña Ana County as indicated in article histories. Amendments noted where applicable. |
| Article I. Unmuffled Engine Retarders and Straight Pipes |
| Article II. Noise Control |
| HISTORY: Adopted by the Board of County Commissioners of Doña Ana County as indicated in article histories. Amendments noted where applicable. |