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DEPARTMENT OF HEALTH. EDUCATION, AND WELFARE
.'National Center For
PUBLIC HEALTH SERVICE
Urban and Industrial Health
fiurrg t( bme dovicrt 1014 Bioadwav
Cincinnati 2, Ohio
October 16, 1967
Mr. L. 0. Griffith, Jr. Works Manager Pittsburgh-Corning Port Allegany, Pennsylvania
Dear Mr. Griffith:
The prclininary results of the impinger samples collected during our survey of the Pittsburgh-Corning insulation plant at Port Allegany, Pennsylvania ere enclosed.
These sarples vere collected and counted according to the standard method of the American Conference of Governmental Industrial Hygienists end are comparable to the Threshold Limit Value of 5 million particles per cubic foot established by that body, However, since these samples vere collected for the epidemiologic purpose of defining the average exposure of a group of workers in & operation rather than for the usual industrial hygiene purpose of locating and evaluating the heavily exposed individual, the results may not be comparable to industrial hygiene survey data.
A complete report Including the results of fiber counts on membrane filters will be sent to you es soon as counting is completed. Your assistance end cooperation ere appreciated.
Sincerely youra.
Enclosure
cc: Dr. Grant Dr. Cralley Pennsylvania Health Dept.
Jeremiah E. Lynch Asst. Chief, Environmental . Activities Yield Studies Occupational Health Program
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Preliminary Report United States Public Health Service
Occupational Health Program
Dust concentrations as measured by inpinger breathing tone (B) end general (G) air samples collected at Pittsburgh-Coming, Port Allegany, Pennsylvania on Aprial 10-14, 1967,
Operation Hiring
Peedsr Kan - B
C Forming
Builder - B
Finishing
G
Saw Operator - B
Katcrial Handler - B
C
Packing Packer - B
Sarole !Tot
206 116 103 111
114 123
222
203 142 125
134 136 151 131
>
140 133
Concentration
TODCf
7.8 11.0
1.9 2.1
2.4 9.8 5.6 2.6 24.8
8.6
3.7 4.2
6.1 3.0
i
5.2 3.1
lAIEDIC'vT D'b'EClOB
Preliminary Report
United States Public Health Service Occupational Health Program
Oust concentrations as neasured by iupinger breathing cone (B) and general (G) air candles collected at Pittcburg-Coming, Tyler, Texas on Karen 21-23, 1967.
Oper-tion
_,,
ggmie Up.
Concentration
__ rrpocf
Hiring .
Feeder Kan S ... /
' ' ; V'
:V`*` :! ....
'Scrap Grinder B ' '
. ..
Forcing
200` : 212
214
202 210 216
117... 102 105
'
8.8 51.4 13.5
- 5.1
c8
4.5 2.2 7.8
Builder - B
C Curing
Oven Kan - B Finishing
Sew Operator - B Nob Catcher - B
CM
n**
204 4.7 330 3.3 328 2.9 319 4.0 317 1.2 309 4.7 26 1.4 24 2.4
120 4.7
I
0.1
. * 313 10.9
311 1.6
DEPARTMENT OF HEALTH. EDUCATION.
f National Center For
PUBUC KtALTH SERV,CE
Urban and Industrial Health October 9, 1967
AND
WELFARE
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Ciicnuti , Ohio
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Mr. J. V. Mc!Iil2aa Plant lianagcr Pittsburg-Coming, 2ne. Tyler, Texas 75701
...
Dear Hr. Mcilillan:
The preliminary results of tho irplnger sarnies collected during our survey of the Pittsburg-Corning plant at Tyler, Texas arc enclosed.
These sarnies vote collected and counted according to the standard method of the American Conference of Covcrr.rent Industrial Hygienists sad ere comparable to-the Threshold Limit Value of 5 million particles per cubic foot established by that body. Eovever, since these samples verc collected for the epidemiologic purpose of defining the average exposure of a group of vorlceia in a operation rather than for the usual industrial hygiene purpose of locating and evaluating the heavily exposed individual, the results cay not he comparable to Industrial hygiene survey data.
A complete report including the results of fiber counts on ceabrano filters vill be scat to you as soon as counting Is completed. Tour sssistance and cooperation are appreciated.
Sincerely yours.
Jeremiah R, Lynch1 As3t. Chief, Environmental
Activities Yield Studies Occupational Health Program
BO'WcvvleUrO-r:,T'.YVIiDe>.'irx':'..a sbLi UeGeDeyGp,AjcrfVeYu-.a'Tv-tc.j.f^w*^.;,-Health (Mr. C. R. Barden)
Fro. Mgnt. Offer.
Dr. Cralley
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