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l-lilUillii E. I. ou Pont pc Npwouns S Company CC: J.S.Cueener;Employee P.el.. Nemours G.J.Stopps,M.D. .Employee Rel. .Hasicell WlLMINCITON. DCLAWAftS MM E. C. Jone s Purc has mg, Louviers F.K.Mackie.Engg. Constr..Louviers 3.B.Lewis, MIMBHM MMMTI H.D.Boyce, JC.Lang, R K.Mason, W.C.Weaver, G.L.Dorseft, R. J. Kara, C.J.Lawrence,Jr. V/.H.Zane ,Engg. Design.Louviers J. R. Allen ,;Engg. , ISO, Louviers Site Safety Supervisor, Const April 5, 1968 FIELD PROJECT MANAGERS F. C. BAYLIS, ASHTABULA '.V. S. BRIGGS, BEAUMONT J. J. BELL, BREVARD A. 2. DAY, CAPE FEAR C. S. ANDERSON, CHAMBERS WORKS W. S. FREE, CHATTANOOGA H. S. STANTON, JR., CIRCLEVILLE W. G. HARRIS, COLUMBUS SHOPS M. W. HARTNETT, JR.. EAST CHICAGO W. C. MANNEAR,'FLORENCE K. G. CAUGHHAN, JR., HOUSTON R. H. DAVIS, KINSTON R. G. STSRNBERCER, LOUISVILLE J. K. ADDISON, MARTINSVILLE W. A. SAMANS, MAY A. S. TRUMPOP.S, MEMPHIS W. BLAKE, MOBERLY H. F. REDMILE, OLD HICKORY W. S. LEWIN, PARLIN r. H. FOWLER, AFPM, PONTCHARTRAIN E. M. VASS, SABINE RIVER H. J. FEINEN, SAVANNAH RIVER E. K. DRAWDY, SEAFORD R. A. MIRIARD, SPRUANCS S. V. HINSON, VICTORIA R. L. SPITZ, WASHINGTON WORKS S. KREWATCH, WAYNES3CR0 0. E. BAftLOW, JR., WILM. AREA J. R. BALDER, MGR., WILM. SHOPS SAFETY - DUST CONTROL Industrial work producing airborne dust particl contamination is recognized as s primary contributor to employee health problems, The ability of the medical profession in idanti fying the personal respiratory disease of asbestosis, and the esta blishing of the cause to be due to extended exposure to asbestos dust have created a serious industrial concern. Federal and State legislat ion is being enacted to place the burden of proof on the employer fojr continuous confor mance with Governmental Industrial Hygienists' -av>n Limit Values for specific materials. The emp acute when pre-employment medical examinations jire not reauired the employees. "'1th the above-mentioned responsibility in mind and to assure atmospheric conditions which will not contribute to the employees' health problems when working with asbestos fiber containing materials, the Construction Division is initiating the foilowing permanent air quality control program to be effective June 1963. (OVER) inm Twines re* seme uviwe... rwaoue* cwrwiar* DOP 091331s DU 030144 Atmospheric Dust Control Sconc'd) Materials containing Crccidclite asbestos fiber snail not be purchased or accepted for use. Materials containing Chrysotile and Ancsite asbestos fibers are acceptable for use. .2 The pressure spray application of materials with any per cent of asbestos fiber content snail oe elininat ed. Ail power tool and equipment operations shall be isolated fr*o-nmw other shoop ffaacr:":lir,ies and fabricating operations. All power shop equipment shall, when operated, have installed exnaust ventilation of sufficient capacity to remove dust particles at pcint of origin Exhausted dust particles snail be collected by an effective collectojr system which will not allow vent-off of dust particles tp the atmosphere. 5. Present controlled shop cleanliness program shall be expanded. A vacuum cleaner should be used Ln lieu of broom sweeping to remove dust particles from shop equipment, work tacles, ieages, floors, etc. 6. A controlled materials handling program sho old be adopted to eliminate tne emission of dust; for exam; pi#, when opening ana removing materials from shipping carton: or m the handing and mixing of asbestos cements. P.estiratorv Protection Severe or isolated conditions may require that respiratory protective devices be used. Consideration should be made for adequate protection of people in adjacent areas to the work location producing this condition. A supplied lir respirator or a filter respirator manufactured by Mine Safety Appliance Co., Pittsburgh, Pa., Model Dustfoe 77 with filter njimber SM 21 3-97 should be used. Your usual oooperation is anticipated in adaini utering these dust controls. CONSTRUCTION DIVISION K. E. Keupef Division Safety Superintendent KEK/dim vrV DUP 0913316 DU 030145