N.H. Code Admin. R. Env-Wq 1002.10
“Chamber system” means an ISDS in which effluent is dispersed equally through preformed, interconnected, open bottom precast concrete units, called chambers, that are not subject to an innovative technology approval pursuant to Env-Wq 1024, and that also provide effluent storage space and mechanical support for the soil overburden.
Source. (See Revision Notes #1 and #2 at chapter heading for Env-Wq 1000) #11184, eff 10-1-16; ss by #14486, eff 2-1-26, EXPIRES: 2-1-36