“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.

Source. (See Revision Note #1, Revision Note #2, and Revision Note #3 at chapter heading for Env-A 1800) #14104, eff 11-1-24, EXPIRES: 11-1-34