Document 0q4xqRmxaV3r2728zwE2mprNm

Law OrriCES Keller and Heckman 1001 O ST*nt, Tf. w. Suite 300 West Washikotok, D.C. 20001. Telephone (202) 404-4100 Telex 40 03331 "KELMAN" Telecopier (202) 404-4040 Boulevard Louts Schmidt 87 B-1040 Brvisels Teliphonk 32(2) 732 52 80 Telecopier 32(2) 732 53 22 JOSEPH e. KELLER "S07-IS94I JEROME H. HECKMAN WILUAM H. BOROMCSANI. JR MALCOLM O. MACARTNOR WAYNE V. SLACK TERRENCE O. JONES MARTIN W. SCPtCOVICI JOHN $- CLONED NICHANO J. LCIOHTON ALFRED S. NEONENY WILUAM L. KOVACS CANOLC C. HARRIS OOUOI.ASO SCHR RAYMOND A. KOWALSKI* SHINLCY A COPT1CLO MICHAEL F MONNONC JOHN S. RICHAROS JEAN SAVIONY*0 JOHN S. OUSECK PETER L. la CRUZ CHRISTINE M. OILL MELVIN S. ONICN SHIRLEY S. FUJI MOTO LAWRENCE P. MALRRIN RALPH A. SIMMONS RICMARO F MANN FCTER A. SUSSER C. OOUOLAS JARRETT SHEILA A. MILLAR OCOROE O. MltKO PATRICK J. HUHO MARK A. SlEVERS OAREN E. OOOOC SUSAN ANTHONY MICHAEL R. SENNET OAVIO S. SARVADI* CATHERINE R. NIELSEN KRIS ANNE MOMTElTH AMY H ROOOERS ELLIOT SELILOS MARK L. ITZKOPF JEAN-PMILIRPE MONTFORT*0 ARCHIE L. HARRIS. JR. T PHILLIPS SECK ARTHUR S. OARRCTT III LESLIE E. SILVERMAN FRANK C. TORRES Hi JOSEPH M. SANDRI. JR. ELIZABETH F. NEWSILL SCIENTIFIC STAFF TAMARA Y OAVIS ROBERT h. O. LOCKWOOD OANIEL S OIXLCR. Ph 0 CAROL MOORS TOTH CHARLES V SREOER. Ph. O JOAN C. SYLVAIN MARTHA C. MARKAPCS( SARRY j. OMLSON ROBERT A. MATHEWS. Ph. O. O.A | T JOHN P MOOOERMAN. Pm. O. OONALO T. WURTH STEPHEN V. KENNEY S. DEBORAH POSEN* OAVIO P- JOY FREDERICK A. STEARNS* TONVE RUSSELL EPRS* THOMAS C. SENDER* JOHN F. FOLEY* HOLLY HUTMIRC FOLEY JUSTIN C. POWELL. Pm. 0. JANETTE HOUR. Ph. O LCSTCP BOPOOINSKY. Ph. O THOMAS C. BROWN9 JENNIFER A. SONANNO* PATRICK W. RATKOWSKI* JOHN REARDON* TELECOMMUNICATIONS CNOINCCR not aomittco in o.c. CHARLES F. TURNER _______ 0RESIDENT BRUSSELS WRITER'S OIRCCT DIAL NUMBER January 25, 1995 (202) 434-4141 RE: Revised Triangle Laboratories Data REDACTED r SPI-07747 SPI VINYL INSTITUTE TRIANGLE LABORATORIES OF RTPPOLYVINYL CHLORIDE PIPE RESIN ANALYSES 1/20/95 REVISED DATA DETECTION LIMITS (ng/kg) (ppi) a/ Minimum Detection Lim ii for blanks. , b/ "{1 .3 }" indicates Estimated Maximum Potential Concentration (EMPC). The laboratory deemed a difference between the EMPC and sample 124 readings for OCDD to be statistically insignificant. Detection o f OCDD in sample 124 supports the conclusion that the EMPC figures for the blank are in fact OCDD. X rr- 9 a* x N . *m. Os m nr rr dddd d a --_ m m m Vi V V, nf V ^ d d d d d d d d d d __ Os m d nt d d d d d dd m rs dd d d d d 't dd d Vl d d VI Vl dd d d X sO d dd v fN nr fN fN oo 00 r- mmVV fN m fN 00 w -- r~ r- 00 00 O' 90 O' m r- p* V nt nr O' O' d __ddd w '--' vi VI 90 r-* oo r- vi p- r* -- O' r-* r* Tf nr -- -- -- V V 0 d dd d d d dd d d d d _ __ . w m m m m m m P4 rs m fN Tf CO V m m nr nf nt nf nT nr r- r+> d d d d d d d d d d d d d d d w 00 00 00 Vi nT nr v> nr wn 00 oo -- -- O' 90 X X nf <N d d d d d d d d d d d d d -- N nr nT v v v nr m nr nr nr Tf Vi -- V 00 X p^ P' p^ o> O' nr d dddddd d dddd wd dd d dd p-* r* O' oo 00 O' p- 00 O' 00 oo fS O' O' nf nr m fN <N fN -- d ddd dd d dd fN pm vi v m nr tan v wn r- r*> r* O' 00 X X m d ddd d d dd dd dd d d vi v r~ r- oo r- r~ d ddd d d ddd O' V O' nr nr d dd d M. fN aa m m nT Tf Tf- nr m nr nT m wn nr r*> V, V r- p- V, X X d ddd od dd dd dd ZL j1 - au. U. Urn u- Ll> Li. Q a a a a a a a aas SiUJ u_ a Cj (/i Si. a u Li. o a. u. u aV. u. Cj X X 00 Cj X X oo o X X 00 CJ X X O' u. Q CJ X X X u 00 O'. r-* oo' z H H oo oo eu p"' r~ p-` 00 X r*' X a a aaQ 0 a a a C- a aCJ u u Q a a aa aX X XQ X X X O Q aO u V CL y 90 X O' L X* y p' H H 00 a. P- r- x' X * X UJ x _) r- r* nr ' * r- -J Tf" -1 00 mi mi ' r- _} -r -J aC3 -< << < < < '-n < rm. -< a az 0 rn H 0 rn w 0 pi* pi* m* in H 0 rs| fN H 0 k rn f0 PI H 0 fN* ni fN H 0 ri H 0 0 uH H L H HL H L0