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Barrier Coating(s) A layer of a material that obstructs or prevents passage of something through a surface that is to be protected; e.g.
Barrier Coating(s): A layer of a material, e.g., grout, caulk, or various sealing compounds, that obstructs or prevents passage of something through a surface that is to be protected; ...
See also: Toxin, Infiltration, Hazardous waste, Hazard, Habitat
 
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