N.H. Code Admin. R. Env-A 1213.10
As an alternative to the applicable emission rate limits, technological controls, operation and maintenance controls, and work practice standards specified in Env-A 1213.02 through Env-A 1213.09, as applicable, wood furniture, wood burial casket, or gunstock coating and finishing operations meeting the applicability criteria of Env-A 1213.01 may implement one or more of the following methods:
(b) Meet either a coatings-based or solids-based modified emission rate or VOC content limit as approved by the director and EPA in accordance with the RACT order provisions in Env-A 1205.03 through Env-A 1205.06 in the event that the source owner or operator demonstrates that, because of technological or economic reasons, the source owner or operator cannot meet one or more of the following:
Source. (See Revision Note at chapter heading for Env-A 1200) #9933, eff 6-1-11; ss by #12899, eff 10-17-19