"Commercial" means of or relating to activities conducted to provide goods or services, or both, or to create, manufacture, or otherwise produce goods of any kind, whether for profit or not, regardless of where the activities occur. The term does not include home office activities conducted in an individual's own residence where no non-domestic wastewater is generated, but does include other business and industrial operations conducted in a portion of a structure that otherwise is a residence. For purposes of sizing an effluent disposal area, the term includes any structure that is not a residence as defined below.
N.H. Admin. Code § Env-Wq 1002.12
(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08