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Materials suitable for the encapsulation of woodwork inciude: <br /> • plastic <br /> • metal <br /> • wood <br /> Materials used to encapsulate should be firmly nailed, cemented, or glued in plac <br /> seams must be well caulked and sealed. The worker should be aware that lead dust <br /> might be generated from processes such as driving nails and drilling. Encapsulatic <br /> does not remove lead paint from the house; rather, it makes the paint inaccessible , <br /> the residents. Therefore, encapsulated surfaces must be maintained over time by <br /> caulking and repairing, as needed, so that lead paint (or dust) remains inaccessible. <br /> Removal <br /> Since all the methods used to remove lead paint are extremelv hazardous, pail <br /> removal should be considered only if repiacement and encapsulation are nc <br /> feasible. Off-site paint removal is preferred. On-site removal of paint is the most <br /> dangerous abatement method, a.--i requires attention -o proper containmen <br /> disposal procedures, and worker saiety (including respirator-,- protection). Be awa: <br /> that people can unknowingly be exposed to lead paint in the course of common <br /> home renovation projects, and are at risk of lead poisoning. <br /> Methods of Removal: <br /> • Off-site paint removal <br /> • On-site paint removal <br /> Off-site paint removal <br /> • Off-site chemical stripping is recommended when it is desirable <br /> restore old decorative Crim, :Holding and doors. Tze paint is remove <br /> by placing the item in a dipping tank. There is some question as to <br /> whether this technicue cern,,yes lead. suzfirertly. <br /> On-site paint removal <br /> • Caustic stri ers. such as 'Peel away' may be effective on som <br /> surfaces. This method involves avplving a paste to the surface, piac::5 <br /> a sheet of paper over the area, and waiting 24-48 hours for the paste to <br /> dry. In theory, the paint peeis off when the paper is peeled orf. On <br /> problem is that as the paste dries, a fine lead dust is created at the edges. <br /> Another problem is that stripped surfaces must be rinsed and acidified <br /> to remove the residue and bring the pH down, so that new paint wii <br /> adhere to the surface. iris waste water must be contained anu <br /> E.E.i.E. DRAF :;'2/89 .abatement G.,Idelines <br /> Page - o.4 <br />