"Grit" means heavy inorganic matter such as stone, gravel, cinders, sand, silt, ashes, and heavy particulate matter such as bone chips and coffee grounds.
N.H. Code Admin. R. Env-Wq 1202.22
#8235, eff 12-22-04 (See Revision Note at chapter heading for Env-Wq 1200) (formerly Env-Ws 1202.22 ); ss by #9798-A, eff 10-9-10