"Pretreatment wash primer" means a coating which contains no more than 25 percent solids, by weight, and at least 0.1 percent acid, by weight, is used to provide surface etching, and is applied directly to fiberglass and metal surfaces to provide corrosion resistance and adhesion of subsequent coatings.
N.H. Admin. Code § Env-A 1203.82
(See Revision Note at chapter heading for Env-A 1200) #9933, eff 6-1-11