NYC-WTC_000230481

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§ ATC ASSOCIATES INC - NEW YORK BULK ASBESTOS ANALYSIS SHEET NVLAP 101197

'2 o o 104 East 25lh Street. 10th Floor . New York. NY 10010 . Phone (212) 353 - 8280. FAX (212) 353 - 3599 or 8306 ELAP 10879

Microscope ULyPBH-Z “0 c CT O ro Ca3 o Client / Project /t/Z/Z/ Project No. ■D o 3. co co co Analysis Date Analyst_ _ Balch No. 2^4^rZ- 0 o o c 1 Field No. Asbestos other Non Gravimetric ( NOB ) 3 C2 Stereoscopic Exam PLM Optical Properties Results PLM % Fibrous % Fibrous % RgsuHs % CD 3 Gravimeiric (NOB) Cutor ~7W Texiurt^S^Z' Morphology Extinction Chr^lile CellulosB /d Mlnerat Fillar Organic C CO Requited

Rocoinn landed Q Homoganily # of Layers Asbeslos Q RIJ .Bill Antosite Zz Fiberglass Organic Binders ResirJitp DS Color Color.Pleo /Other Olher Vermicutile Caibonale O Gravimeiric PREP Gravrn,eliiC'(NOa)PLM Q Colui af Layer Delecled Yes No Biref Sign Olher Oilier Graviii-.filuc(NOa)TEM Q Conimenls: Asbestos O pcTijncDuin MbIIiuiI; Q CLAP. CPA’ Qcipp scAHfifnG oanoN s elap ( p.c. ) i epa' BESuilS on IHE lACK Q OTHEB First 1 preps. Asbestos » 0 00 CO o H 2 Field No. Asbestos Olher Non Gravimetric ( NOB )

CO o O Stereoscopic Exam PLM Optical Properties Results PLM % Fibrous % Fibrous % Results % H O Giavirnetuc (NOB) Color Texture Morphology Extinction Chrysotile Cellulose Mineral Filler FH < s RcquifC'l □ Homogenity Rll FtlU Amosite Fiberglass Oiysnic Binders Organic

Residue

O O CO Reconiniendod GravinlGIricPREP □ I.J ft of Layers Asbestos Q □ DS Color Color.Pleo /Other Olher Verml'culile Carbonate

173 3 No Biref ' Sign o H Giavlnialric tf lOH) Pt-M Color of Layer Delected Ves Other tn Hl f;favimelric(NOH)lEM Q Comments: V Asbeslos > r poiffi courrr • Method; tOs? » epa' Q EtXP Q Er a' H scAwwiQ ewnem j slap (p.c) u cfa' first 4 preps. Asbestos » 0 z RESKUS OU Illi IXCK Q UIHEB o N) 3 Field No. Asbestos Other Non Gravimeiric ( NOB ) // Stereoscopic Exam PLM Optical Properties Results PLM % Fibrous % Fibrous % Results “/« 0^ Graviinelnc INOS) Cutur Texture p Morphology Extinction Chr/^rle ' Cellulose /Minerel Filler Organic M hj RequireC -□ Homogenity Rll Rill Arwstle Fibatglass, . Organic Binders Residue H ReconimendeJ □ it of Layers Asbestos Q DS Color Color.Pleo AOthcr ____/.Otber. - Vomiiculile Carbonate

NJ Gravimeiric PREP GraviiiiaiBC (NUb) PLM Q □ Colot or Layer Delected Ies No Biref Sign Other Olher O Gravimetric (HOD) TCM Q Comments: Asbeslos FOIHTCOUwi

HESUi IS ON niE BACK Malhod: (J tup . epa' qelap q epa' □ o™e« Q SCAJJflING OPTION! ELAP (P.O LEFA' firel 4 preps. AsbestOS = 0

o 4 Asbestos Other Non Gravimeiric ( NOB )

H Slereoscoplc Exam PLM Optical Properties Results PLM % Fibrous % Filjrous % Results %

z NJ Giavimelfic (I4OB) ReguheU □ Homogenity ■J/L Morphology Rll Exlincticn RIU Chry^e Aptosila /"C^ Celluloso

Fiberglass Mineral Filler

Organic Binders Oigatiic

Residue Recomuieiided □ 4 of Layers Asbestos l~] DS Coior Color.Pleo /other ______ Other Vermicufile Carbonate Gravimetric PREP O Biref Sign Other - Olher Gravimetric (NOB) PLM Q Color of Layer □elected Yes No Gravimeiric (NOD) TCW Asbestos Comments: PO1KT COUMT .Melhod: □ ewttpx' QElw qepa’ Q otheii (2| '5CANH1H5 omoM I ELAP t F.c.) u epa' j^lrst 4 pfcps. Astestos = 0 RtSULlSOH THt B»CK

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