Document jyYxyJ2gdJddvwXGO71VdBwNy

Federal. Register, /:-,,ypU51>i.No. ;119' / Friday..llune 20,19a6 / Rules and Regujatione, . . 22785 AppendixGto S l926.58~Vyork Practices --Use of Glove, bags , and EngineeringControls for Small-Scale^ ^ -r^Reiinoval of entire asbestos insulated . or renovation operation and getting agents . should be used continually throughout the' ShortrDuraUonAsbeslos.Rendvationand., Maintenance Activities^~Non>:Maridatory, . This appendix is not mandatory, in thah: construction'industry-employers may choose pipes or structures .. Use of mini-dnclosures. ': Enclosure of asbestos materials; and Maintenance programs. work period to ensure that any dry. asbestos- ' containing material exposed in the course of the work is wet and remains wet until final disposal. ' '. Ip comply with all of the Requirements of - .- This appendix describes these .controls and Removal ofSmall Amount of Asbestos-: . OSHA's.final rule for 6ccupdtional"exposure - - work practices in details ContainingMoterials to asbestos in the construction industry, : 9 1926.56;However, employers wishing.to be exempted from the requirements of paragraphs (e)(6) and iQ(2)(ii)(tf) of1926.58. shall c'omply.with'the. provisions of thisappendix.when performing small-scale, shortduration renovation or maintenance w activities. OSHA anticipates that employers in the electrical, carpentry, utility, plumbing, and interior construction trades may wish to ' avail themselves of the finnl standard's, exemptions for small-scale, short-duration renovation and maintenance operations. Preparation of theArea Before Renovation.or Maintenance Activities The first step in preparing tq.perform a small-scale. short-duration asbestos -renovation or maintenance task, regardless ofthe abatement method that will be used. is: the removal from the work area of all objects that.are movable to protect them from asbestos contamination.'Objects that cannot be.removed must be covered completely with a; ^mil-thick-polyethylene plastic sheeting, before the. task begins. If objects have ' Several methods can be used to remove . small amounts of asbeatos-containing materials during small-scale, short-duration ., renovation or mdintenahee tasks: These < \ include the use of glove bags'; the removal of' an entire asbcStos-cpvered pipe or strocture,' and the.cbriStnictidhpf mini-enclosures. The procedures that employers must use for each' of these operations if they wish to .ayhil themselves of the final rule's [exemptions are described in the following sections; Clove Bags Definition of Small-Scale, Short-Duration Activities . For .the purposes of this appendix, smallscale. short-duration renovation and maintenance activities are tasks such as. but not limited to:' . Removal of asbestos-containing ... already been contaminated, they should be thoroughly cleaned.with a High Efficiency ' Particulate Air (HEPA) filtered vacuum or be wet wiped before they are removed from the work area or.completely encased in the plastic. Wet Methods As discussed in the Summary and . Explanation sect ion.of the preamble for. paragraph (g). Methods of Compliance, evidence in the,record indicate.that,the;use of glove bags to enclose the work area during small-scale, short-duration maintenance or' renovation activities will result in employee exposures to asbestos that are below the., insulaljon.on.pipes; Whenever feasible, and regardless of the final standard's, action level ofo.lf/cc. This ' Removal of small quantities of asbestos- containing.insulation on learns or above ceilings;.. , .. ..Replacement of an asbestos-containing gasket on a vnlye: , . . Installation or jremovnl.of a small section. ofdry.waN;: installation of electrical conduits through abatement method to be used (e.g.,removal, enclosure, use of glove bags), wet methods . must be used during small-scale, short duration maintenance and renovation activities that involve disturbing asbestoscontaining materials. Handling asbestos. - materials wet is one of the. rhost reliable methods Pf ensuring that asbestos fibers do appendix provides:requiremerits*for>glove-bag procedures to be followed by employers wishinglQ avail.themselvesof.lhestartdard's exemptions'for eachactivities. OSHA ha'S ' determined that thfe use of these procedures will reduce the 8 hour time weighted average (TWA) exposures of employees involved in or proximate to asbestos^ontaining not become airborne, and this practice should these work operations to levels below the ' materials; : - therefqre.be used whenever feasible. As action level-and will thus'provide a degree of Evidence in the record (see the Summary and Explanation section of the preamble foir ' paragraph (g). Methods of Compliancc,<for. specific citations) suggests that-the use of certain engineering and work practice : controls is capable'of reducing employee,' ` exposures toasbestostdlevels belowthe.' ..-final standard's action, level:(Oil ,f/cc).\. Several controls and work practices, used either.singly or.in combination', cah.be discussed in the Summary and Explanation section of the preamble for paragraph (g),. .Methods of Compliance, wet methods can be used in the,great majority,of .workplace situalionsOnlyin cases where asbestos. . work'm'ust'b.e performed on live-electrical equipment,' on live steam lines, or in other . : . areaswherewater.willseriouslydamage ' .materials or equipment.may. dry removal be performed. Amended Water or another * wetting,agent should be applied.by means 6r~ employee protection equivalent to that provided by compliance with all provisions of the filial rule.-; [ Glove Bagjnstgilaiiom.Glove bags are approximately 40-inch-vvide time8 64-inch^ 'long:bags fitted wilh arms through/which[ the, work can be performed (see Figure Gpl(A)j. . : When.properly, installed and-used/ they.;. . - permit workers to remain.completely isolated frohirthe asbestos* material-removed or'/ employed effectively to reduce asbestos . an airless sprayer Ip minimize the'extenVlo replaced inside the bag:- Glove bags cari-thus. exposures during small maintenance.and which the' asbestqsrcpntdiningmaterial is provide a fle.xibile,' easily tnslalled. and, -. renovation operations. .These include: . 'disturbed. ' quickly dismantled temporary small work W ' * -.VVet methods;-.-... ..* . . AsbeStos-conlaining materials should be area enclosure that, to; Ideal fpfsmall-scale ^ H: Removal methods - V- * ; v: ^wetted fronliMhe'initiation of the^mainfehance asbesto9renovati6normainteo^nco jobs. GLEASON-OOI033