"Stain" means any color coat that is applied in single or multiple layers directly to a wood substrate. The term includes non-grainraising stains, equalizer stains, sap stains, body stains, no-wipe stains, penetrating stains, and toners.
N.H. Admin. Code § Env-A 1204.35
(See Revision Note at chapter heading for Env-A 1200) #9933, eff 6-1-11