Document 4vVqbzBxxgxwMqkrZvKR6V3Ge

PLAINTIFF'S EXHIBIT DUP-1748 J E. I. ou Pont sc Nchoums 5. Company WlLMINQTON. OCUkWAM !HH CttllMCtniM* aCPAHTMCNT iJune 26, 1962 CC: H. D. Boyce-- ft* J. Hen . J. C. Lane ft* X. Mason V. C. Weaver FIELD PROJECT MANAGERS C. BATHS, ASHTABULA S.BRIGGS, BEAUMONT J. BELL, BREVARD P. DAY, CAPE FEARse-a"-^ S. ANDERSON, CHAMBERS WORKS S. FREE, CHATTANOOGA S. STANTON, JR., CIRCLEVILLE G. CAUGHMAW, JR., HOUSTON ft. H. DAVIS, KIMSTOH ft. G. STERHBSF.GER, LOUISVILLE J. X. ADDISON, MARTINSVILLE -ATTENTION: SAFETY SUPERVISOR ' V. A. A. S. H. F. R. A. H. J. S. K. S. V. R. L. S. KREWATCH, WAYNESBORO C* E. BARLOW, JR., WILM. AREA DUST CONTROL EQUIPMENT *. . V* ara forwarding under separata cover the necessary accessory aquipnent to administer the above subject air stapling program. Mailing Tube - Enclosed in the package you vrf.ll find six ceiling tubes in wnieh the air staple filter, along with the reouired ccpiee of the work sheet, ere to be used in mailing the samples to Dx*. Corn at the University of Pittsburgh. A future supply of these tubes may be obtained by ^contacting the Division Safety Office. Battery - One battery is also enclosed which is to be used in UNICO Model U.0-B air stapling instrument. Due to the sorosity of the filter used in eir stapling, the aaxiaua life of e fully charged battery ia five hours. In the future, when making air samples, one battery should be used a maximum of four hours; then replaced with second *, fullycharge*d battery. . rork Sheets - Enclosed are twelve sets of NCR technical information worx aheeta. Ona carbon-, after recording required information, should be retained at the site location; the original and one earben should accompany the sample submitted to the University of Pittsburgh. Additional sats of work sheets as required may be obtained from the Q iv* ision I Safiety Office. .< . . ... r.Olhratinw **d qwA-tr'nf - Effective immediately, all instruments requiring calibration, adjustment or repair shall ba forwarded to the Division Safety Office. Due to the overload of work, Adrian Lineh at Chambers Works will be unable to continue calibration of the instruments for us. 148 OCTTtA TMlttCl (OVER) DUF 0901031 DU 022427 fiiMr* *h"ia * "* =. t,,. Tour usual compliance is anticipated. CONSTRUCTION DIVISION K. C. Ktuppr Division Safety Superintendent KEK/dla % * OOP 0901032 DU 022428