N.H. Code Admin. R. Env-A 1203.22
"Limited at all times" means that the VOC emissions from a source or device, as measured or calculated in accordance with the applicable method(s) and associated averaging times prescribed in Env-A 804, does not exceed the specified emission rate limit for the subject VOC category or subcategory during the RACT-applicable life of the source or device.
Source. (See Revision Note at chapter heading for Env-A 1200) #9933, eff 6-1-11; ss by #12899, eff 10-17-19