NYC-WTC_000209681

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS AMAl ASIS BY TRANSMISSION El^ECTRON MICROSCOPY o» OS o CLIENT; Wairco A Pawer EngioBen, P.C. PROJECT; NYC DEP. 161 WilKams Sheet SI ATUChMT'A laboratory n>#jT€2-UM]80 DATE OF REPORT; 10/13/02 A1 nt NICA analyt. methodology; ahera DATE OF ANALYSTS 10^13/02 aw«c>MiB«rM.SEHVic£s«fc. filTXRTYPB: M.C.E. EFFECTIVE FILTER AREA (cnm^): 385 Trt.tnin7»A-»«o AVERAGE G.O. AREAZron?); 0,013838 Fn.(»fiD iwnaas LABORATORY RESULT'S

CLlKNd # lAB.tD IF LOCATION VOLLWE GjO'i AREA ANALyr. tOtal TOTAL AIR A®------ ASrUsST. AWphui on ANAL AWAIV seMgmv. AltBBSTtlS ASBESTOS fILTRR COWC. COKC. TWE ASBEST VZLD 2®n AIRCONC. POR VOR CBRYS. TYPE {strac/cm’) ciw;. biRun. snwicT. SPECIFY (strjnn«| O.SiS<S|mi 01 T02-10- Opposite clevalor 1800 4 0,0554 0.0039 <0.«039 <I8.«7 NA NA MA NA 080-3086 towards cast cud #1 02 TIC-10- Opposite elevafor 1800 4 0.0S54 0.0039 0.0077 36.13 <0.0039 0.0077 Cluys. NA 080 3087 towards east end 03 T02-I0 At the center of west 1800 4 0.05S4 0.0039 <0.1039 <18.07 NA NA NA NA 080-3088 cad 1/3 04 TIC-IO- On window sill near 1800 4 0.0554 0.0039 0.0116 54,28 0.0077 0.0039 Ckrys. NA 080-3089 end of building tW 05 TO240- On widow sill near 1800 4 00554 0.0039 ».8K9 1M7 <0.0039 0.0039 Ciiys NA 080-3090 end of building F15

ANALYST LAJBOBATORY DIRECTOR £ Sioukri Spiro Dotigaris

LABORATORY CERTIFICATION MUMMERS: NVLAP 181958, ELAT 10955 o H 2 Atixnin EnvitonmemA SetviotJ lac. (AES), is reipwitibltmity tor infenralinn sampler b>t<<n by iuemphyecs. *• Airsanpltnscassclics wilt bertosed forsixty (60) days AES Inc . sliwtd be nobSed widdB this (iwctrirne for tone dufilicatranatHis I—i If AES fnc., Ad aolconducl IkesSTnplBg. ft* lepnXcd aMomc ennccnlutloii was derives based an fnfamalionyrQVH'ed by (he rlicnl Underlbtsr cttv-mnsiarices, (be wcoareotrati m d«B is s o supplied solely ronhcoonveafonce ofdic client fbcrcpaTl relates o«ly Io Rens tested Ibis fepod musi ml be used la chitn product enderientisa by NVLAP or any other Bgency of the U S. Govenuneet Tbi reports tray not be rcprodaced o o ejtojjt in Ml andwitb pricr approval frf ASS (nc. o «3 I CM rhelbbililyof Alhentca&nironntenlal Services Ine wilb icspecl ie> ibesmnceteliuwd. shall ia no eceul exceed (be aiiuiuni of the invwee o X o 1/5

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NYC-WTC_000209681