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INTERNAL CORRESPONDENCE
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lEMICALS AND PLASTICS * p. O. BOX 8361, SOUTH CHARLESTON, WEST VIPGINIA ?5303
Mr. B. D. Tissue Building 82-5
Mr. R. T. Hill Mr. H. L. Robinson
D,.f July 16, 1980 or,,ng D<i -Technical Center IH/EP
Asbestos Monitoring 1965-70; Jennings Deitz Case
PLAINTIFF'S EXHIBIT
UC-2170
Dear Mr. Tissue:
With respect to work practices and exposure monitoring in effect during the period that Mr. J. D. Deitz served as an insulator in the Technical Center Services Department, the following information has been collected:
1. I find no records showing that Mr. Deitz was monitored for exposure to asbestos fibers during his work in removing asbestos containing insulation at the Tech Center.
2. The attached letter from Fred Williams, who was the Tech Center industrial hygienist during that period, shows results from two Services insulators who were monitored. These two and Mr. Deitz did similar work and would have been subject to the same work practices.
3. This same letter shows that respiratory protection was recommended by the Industrial Hygienist and was worn during such insulation removal work.
Hope this information is useful.
Very truly yours,
GFH/sc Attachment
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G. F. Hurley Technical Center Industrial Hygienist
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mem gran ruM
To: C*r. T. G. Doy Mr. P. W. Gregory Mr. K. H. Ketcham f. E. Medford, M. D. Mr. A. Pauley Mr. M. E. Ferry
From:
Fred Mi Warns
4.4 t
,`^y 17* J94J
Subject: Preliminary Air Sampling Results for Asbestos
On October 24, 1967, Mr. M. E. Ferry wonted to know if the cubcsto* Insulators were being exposed to significant quantities of asbestos dust that would be harmful to the health of personnel. He also gov me a ''Caution" label which it now being placed on the shipping containers by the manufacturer.
The Threshold Limit Value (1967) for asbestos dust hot been esfoblithed at 5 .C million particle: per cubic foot (MPPCr) of cSr by the American Conference of Governmental Industrial Hygienists. Even though there have been tome recent ccmn enti about the hozards of the small particulates versus the long fiber asbestos, the TLV maket no statement concerning this. I understand that c statement is planned for inciullcn in the near future about the hazards of one type (crocidolite), but the limits remoin the some if the original sampling and analysis methods ore used (fmpinger sampling and light field counting on microscope). Too, there have been several articles relating cancer with asbestos in a disease, mesothelioma (tumor developed from the colls in the pleura). However, thnre ere articles that attempt to discount this occurrence. Asbestos is will occur after long exposures to excessive quantities of asbestos with symptoms: cough, dyspnea (difficult or labored breathing) substornal chest pains, decreased chest expansion, weakness, emaciation, clubbed finger tip*, and curved fingernails. Individual susceptibility varies.
In order tc evaluate the potential hazard to health that might be created from work with othertos in the Technical Center, air sampling wm required. We have been trying since early November IV67 to do cir sampling when work was being done with a significant amount of csbeslas to give reliable data. Air sampling woj done April 23 and 24, 196--. However, the oir samples for the 23rd were net satisfactory and required some changes in the impinyers to obtain reliable sampling. A slight bend was put In the intake tubs of the impinoors to prevent pieces of astejhus from felling info the collecting media.
Air somplrs were collected in clean (as particle free os possible) impinyers containing 1G milliliters distilled water. T'neio smell Impinyers were worn by the
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Ir.i jlatcr near his breathing rone and operated by a portable cn-fho-helt pump. A
Greenbury-Smith impinyer containing 150 milliliters distilled wafer was operated In
the vicinity above the operation. The Insulators worxod up the pipe tains Insulated '
loword fhl* sampler.
^ ` 5i f
The ottached sheet shows Information about the air sampling and results.'
The results show that excessive amounts of asbestos could ho* been Inhaled by the Insulators had they net been wearing respiratory protection: The tawing (handsaw) creoles quite o bit of dust as shown by samples I end 4. If a power taw Is used, this probably would be much higher. The fitting old not create as much problem until the~ Insulator was reaching oround previously Installed asbestos. In doing so, apparently fines ore rubbed off by contact and become airborne.
/ This was a dusty operation which justified wearing respiratory protection. - -[ . 'Vherj osbestet is being Installed or removed end creofet a dusty environ, approved respiratory protection should be worn. The person working with or near asbestos operations end hit supervisor should be oble to judge whether it will be dusty or not. Techniques such os wetting down the osbestos as It is being removed will redjee the dust evolved ~ during dismantling operations. A portable high velocity exhaust vacuum (industrial -ccuum clconer) r.ay be utilized to keep asbestos particles In air below the TLV of the sewing operation. The fitter moy recuca the o'vetincss in his Surroundinji by handling the osbestos coreful I y ar>a refraining from unnecessary contact with the material resulting from rubbing against, hitting together, or unusual pounding.
Tha long term air sample (Greenburg-Smith} shewed that significant quantities of asbestos did not become clrbcmo above the opsrafion. \vhe.n the reiult was calculated as c 30-minute release the findings show that a maximum of 7.1 MPPCF become cirborae.
Air sampling will be done djring future asbestos operations to further evaluate the conditions.
Olllla-rrs/cbc
Industrial Hyylenlst
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