"Market penetration rate" means a measure of the diffusion of a technology, product, or practice in a defined market, as represented by the percentage of annual sales for a product or practice, or as a percentage of the existing installed stock for a product or category of products, or as the percentage of existing installed stock that uses a practice.
N.H. Admin. Code § Env-A 4702.25
#9481, eff 5-23-09; ss by #10469, eff 1-1-14 (from Env-A 4702.23)