In the Noise Zone

As the District of Columbia Council wrangles with noise statute, I am somewhat bewildered how the laws and regulations are applied to city zoning in relation to noise. This map--based on documents from the D.C. Office of Zoning--is of the area around H and 8th Streets NE. (CLICK TO ENLARGE DIAGRAM)

The red asterisk signifies the location in the area zoned C-2-B where the preachers assemble nearly every Saturday. The red arrow shows that the amplifier is aimed south toward the residential homes in the area zoned R-4.

Check out the satellite view (image made before Foot Locker structure was built).