User:NikW10/sandbox

In Overview:

…,many of which are encouraged by local building codes'''. In''' the best

rely upon material NOT MATERIALS science applications

OSHA

include link to what TWA means

Mine Safety and Health Organization

and/or

Federal Railroad

exceeds 90 dBA in an 8-hour TWA

Approaches to noise-Source

Physical materials such as foam, fiberglass, gypsum board, concrete, and carpet can absorb

Path

Noise that travels across reflective surfaces, such as smooth floors, can be hazardous

Receiver

personnel in noisy areas, prevent