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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 5:43PM JLC ENVIRONMENTAL NO.752 P.6/14

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. ELAP Lab Code: 11029 D e; ASBESTOS 20 West 64th Street NIOSH and AIHA Lab Code; 100273 Daatete Received: 11115/01 New York, NY 10023 NVLAP Lab Code: 101953 Date Analyzed: 11/15/01 SUMMARY OF ANALYTICAL RESULTS - PLM Batch ##: 0111B439

Site: 200 Rector Street, New York, NY

SAMPLE # DATE DESCRIPTION/LOCATION COLOR CONSTITUENTS COLLECTED DETECTED? ASBESTOS LAB # CLIENT'S SAMPLE!t

009 Roof/ 10th Floor Roof/ High Bulkhead/ TAN NO 0% CELL 15% 11114/01 East/ Sample of Roof Debris Tan FBGL 35% 12817 NFIB 50% 009E 010 Roof/ 10th Floor Roof/ High Bulkhead! TAN YES 1.1% CHRY 1.1% 11/14/01 West/ Sample of Roof Debris Tan CELL 15.9% 12818 FBGL 40% NFIB 43% 0106 011 Roof/ 10th Floor Roof/ Low Bulkhead/ TAN YES 1.1% CHRY 1.1% 11/14/01 East! Sample of Roof Debris Tan CELL 15.0% 12820 FBGL 40% NFIB 43% 011B

INSUFFICIENT MATERIAL SUBMITTED "TEM RECOMMENDED e NOT ANALYZED POSITIVE STOP

rnnle Analvel&bv, ASBESTOS CONSTITUENTS NON ASBESTOSCONSTITUENTS Sample Polarized Light Microscopy-Dlaperalon Staining (PLM-DS) CHRY = Chryaothe Asbestos PAPF Paper Fiber AMOS = Arnoalle Asbestos MINW = Mineral Wool Method of Sample Praoaratlon Bnd Analysts: CROC = Croddolite Asbestos FBGL = Fiberglass ACTH = Acunailte Asbestos SYNF = Synthetic Fibers All samples were pmpaired and angtyzed In accordance with the EPA TEEM = Tremoilte Asbestos CELL = Cellulose 'Method for the Determination of Asbestos In Bulk Building Materials ANTH = Anthophylita Asbestos NFIB = NorrFIbrous USEPA/ 600/ R-93/116, July 1903. ORGM = Organic Material WOLL = Wollastonhe lnstrumentatlon: HSHR= Horse Hair OTHR o Other Olympus PLM, Model BH-2NM Stereomlcroacope, Model VM21x-4a. chhlwala Laboratory Director

Analytical results reflect the make up of the materials only In the areas sampled. This "Summary of Analytical Rasulta" shall not be reproduced except to full, wfthout the written approval of JLC Laboratory, and It must not be used by cl"t to claim product endorsement by NVLAP or any agency of the U.S. Goverment. This method Is not applicable to samples containing large amounts of fine flpere below the resolution a( the light microscope. The vafus of this method Is frr$ted to the quantttai lve Identrfca41on of asbestos and the seml.quanthedve 4eterrninallon of asbestos content of bylk samples. expressed as a percentage of the protected area. Quanlltatlon of asbestos content was determined with a vlelal volume esumnte. a cai rated visual area estimate, and/or point counting procedure. CAUTION: Other fibers with optical properties similar to asbestos may give positive Irttsiferartcas and will be conafdered asbestos under this methodology. Also, PLM Is not consistently reflsible In detecting asbestos in floor coverings and similar rion•frtebte organlcaly.bound mater►als. Quantitative trartarnraalon electron microscopy Is currently the only method that Can be used to determine If this material can be considered or vested as non-asbestos contalr lag•

Page 3 of 4

11/15/01 THL'. 18:47 [TX/RX NO 53911

NYC-WTC 000120710

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NYC-WTC_000120710Source: NYC Law Department, mirrored locally

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