"Encapsulation" means the application of an encapsulant to ACM to control the release of asbestos fibers into the air, either by using bridging encapsulants, which create a membrane over the surface of the ACM, or by using penetrating encapsulants, which penetrate the ACM and bind its components together.
N.H. Admin. Code § Env-A 1802.24
(See Revision Note at chapter heading for Env-A 1800) #9298, eff 10-21-08