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1014 Erosdsny * Clrsiciuitl^OMo 45202
April 2* 1070
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Mr* C* t* TjmKam
Plant IVtnnrcr Pittaburr. Coralnf. Cospssy
TyUr, Tcxsa 75701
Dear llr Teallornt
7tjo prallalmr^'RMlysiA of tit* duct ct-solom collected la ywuf,^
pleat et Jsscary 14 end January 15* JW3 l>u> been. ccarplotod* i^X A table cl lUsao rrauit* ic rnciubvil. "to n&strsan filters Vera counted Ct 433* flutes coatKte. TXTjii ficxtlca as rkcrroenilod by the Aoerleca Coafsreaco of CwevssssLal ladaotrlal K>--icaieio
Cionii).
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Tbe prepoeod Threshold Licit Vslu* fee ca&erTea us feued lit tbs 1053 /XCTll list of laftisrwl chsawi lo 12 fibers >3a per CC. All espies tiler un bars sanlyaed free yeer Fleet ossspt euo vara elpatf.lcssSly sieve title !**
Va could like to tbssb yoo for the cooperation. ve rccotvod la your pleat*
Efocsroty*
Cllntoa 7* Deter AcstcLot Eealtory Tbsteae? Ptold Stvdfos fiesueb Sarees of Cceapstloael Safety mi Cealtft
Peelosurs
CCi I>r. T.f^o State Cept. of Ikislth (Toss)
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THIS'DOCUMENT WAS NOT A RECORD OF ppG Industries, iNc. did not-come from
IT'S FILES AND CANNOT BE AUTHENTICATED
BY PPG INDUSTRIES, INC. (
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| BB 0021404 I
222
. 7co.lt* of Ale Socles of Jmay 1979
. Yittsberg Cents* Cerri.Tny, Tyler* Toss
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Femaoal Staples
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THIS DOCUMENT WAS NOT A RECORD OF PPG INDUSTRIES, INC. D'lD NOT COME FROM
IT'S FILES. AND CANNOT BE AUTHENTICATED
BY PP.G INDUSTRIES. INC.
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