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Ambient air sampling report, 333 Rector Place, Sep 2001

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Laboratory report on ambient air samples collected in apartments and common areas of 333 Rector Place during September 24-26, 2001.

NYC-WTC_000120641–000120738

Folder label: “380 RECTOR PLACE Block: 16 Lot: 7505 BIN: 1000544 Liberty Terrace

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NYC 9/11 Public Portal Document NOV.15.2001 5:44PM JLC ENVIRONMENTAL NO.752 P.10/14 JLC ENVIRONMENTAL CONSULTANTS, INC. 200 Park Avenue South, Suite 1001, New York, New York 10003 Phone: (212) 420-8119 Fax: (212) 420-6092 Project No.: 01-2200 Milford Management Corp. FLAP Lab Code: 11029 Analyte: ASBESTOS 20 West 64th Street N1OSH and AIHA Lab Code: 100273 Date Received: 11/15/01 New York, NY 10023 NVLAP Lab Code: 101953 Date Analyzed: 11(15/01 SUMMARY OF ANALYTICAL RESULTS - PLM Batch#: 01118439

Site: 380 Rector Street, New York, NY

SAMPLE # DATE COLOR ASBESTOS TOTAL % OF CONSTITUENTS DESCRIPTION/ LOCATION DETECTED? ASBESTOS COLLECTED LAB#

CLIENT'S SAMPLE#

021 Roof/ 2nd Floor/ Pool Room/ North Side/ TAN YES 1.1% CHRY 1.1% 11/14/01 Sample of Roof Debris Light CELL 20.0% 12830 FBGL 36% NFIB 43% 0210 022 Roof/ 2nd Floor/ Pool Room/ North West TAN NO 0% CELL 15% 11/14/01 Side/ Sample of Roof Debris Light FBGL 40% 12831 NFIB 45% 022D

INSUFFICIENT MATERIAL SUBMITTED "TEM RECOMMENDED —NOT ANALYZED POSITIVE STOP

Samola Malvsls bvw ASBESTOS CONSTm.ENTS NON-ASBESTOS O S11 TENTS Polarized Light Microscopy-Dispersion Staining (PLM-DS) CHRY = Chrysotile Asbestos PAPF r: Pieper Fiber AMOS = Amosite Asbestos MiNA m Mineral Wool Metho otSample Preston and Analysis: CROC = Crorldolte Asbestos FBGL Fiberglass ACTN = Actinoiite Asbestos SYNF = Synthetic Fibers All samples were prepared and analyzed in accordance with the EPA TREM = Trernolte Asbestos CELL = Cellulose "Method for the Determination of Asbestos In Bulk Bulbing Materials" ANTH = Anthophyirte Asbestos NFIB = Non-Flhroia USEPA/ 600/ R-93/116. July 1003. ORGM = Organic Materiel WOLL = Wollastonite In"tn.amentatlon: HSHR = Horse Hair OTHR = Other Olympus PLM, Model BH-2NM Stereomlcrosoope, Model 1+- ~11a..L.Scn~aC VMZ lx-4x. Gulam Machhiwala Laboratory Director

Analytical results reflect the make up of the materials only in the areas sampled. This "Summary of Analygcal Results" shall riot be reproduced except In full. wl#lout the written approval of JLC Laboratory, and It must not be used by client to claim product endorsement by NVLAP or any agency of the U.S. Government This method ie not applicable to samples containing large amounts of tine fi bers below the resolgpon of the light microscope. The value al this method 1s limited to the quantltallve idegt) caatloq of asbestos and the semi-quernitative determlttat►on or asbestos content of bulk samples. expressed as a percentage of the protected area. Qualfitatlon of asbestos content was determined with a visual volume estimate, a calibrated visual area esgpiate, and/or point counting ptocaclyre. CAUTION: Other fibers with optical properties similar to asbestos may give positive Interferences and will be considered asbestos under this methodology, Also. PLM Is riot conslateridy repeble In detecting asbestos in floor coverings and similar non-frieble organically-bound materials. Quantnadve transmission electron microscopy Is currently ttte only method that can be used to determine If this matenal can be considered or treated as non-asbestos cordalning.

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11/15/01 THU 18:47 [TX/RX NO 53911

NYC-WTC 000120705

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NYC-WTC_000120705Source: NYC Law Department, mirrored locally

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