Section 20-2906. DATA AND REPORTS

 

2906.1The operator shall be required to fill out all pertinent information on the noise data form for field measurements.

 

2906.2For each set of readings, the following information shall be required:

 

(a)Date, time, location, operator's name;

 

(b)Wind speed and direction;

 

(c)All instrumentation models and identifying numbers;

 

(d)A sketch of the site, including measurements points, noise sources, buildings, etc.;

 

(e)Measurement of noise peaks and steady levels to the nearest decibel, and durations;

 

(f)A description of special techniques employed;

 

(g)A description of the noise, noting especially if there is an apparent pure tone or impulsive content;

 

(h)The meter damping used (fast or slow); and

 

(i)Measurement of ambient and description of ambient if obvious (highway, dogs, etc.).

 

2906.3If the ambient level is four to ten (4-10) dB(A) below the level found with the source operating, corrections shall be made to obtain the source noise level. The corrections shall be shown.

 

source

Final Rulemaking published at 26 DCR 1499, 1504 (September 28, 1979).