N.H. Code Admin. R. Env-A 4202.49
“Quick-dry primer, sealer, or undercoater” means a primer, sealer, or undercoater that, when tested by its manufacturer using ASTM test method D1640-03, is dry to the touch in 30 minutes and can be re-coated in 2 hours.
Source. #8695, eff 7-27-06, ss by #10736, eff 1-1-15 (formerly Env-A 4202.01 (aw)); ss by #14202, eff 2-26-25