Code of Maryland Regulations
Title 11 - DEPARTMENT OF TRANSPORTATION
Subtitle 03 - MARYLAND AVIATION ADMINISTRATION
Chapter 11.03.03 - Airport Noise Control Program
Section 11.03.03.02 - Methods for Calculation and Measurement of Levels of Cumulative Noise Exposure
Current through Register Vol. 51, No. 6, March 22, 2024
A. Authority. Transportation Article, § 5-805(a), Annotated Code of Maryland, authorizes the Executive Director, by regulation, to establish methods for the calculation or measurement of cumulative noise exposure values.
B. Noise Rating. The noise rating for description of exposure to aircraft noise shall be the day-night average sound level (Ldn).
C. Development of noise contours of equal noise exposure are to be determined using a prediction method in accordance with the procedures of §D, below. Measurements, undertaken in accordance with the procedure of §E of this regulation, may be used to confirm the locations of contours of equal noise exposure.
D. Prediction Method.
E. Measurement Method.
Data Range (dB) | Required Number ofMeasurements |
2 | 3 |
3 | 4 |
4 | 5 |
5-6 | 6 |
7 | 7 |
8 | 8 |