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← Document results/DEP Box 33/15 MURRAY STREET Block: 134 Lot: 1 BIN: 1001446 9-15 Murray Street
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9-15 [name] building cleaning and assessment, Feb 2002

Machine-extracted title · confidence 85%

Building owner submits exterior and interior cleaning bills and environmental assessment report for 9-15 [name].

NYC-WTC_000097440–000097484

Folder label: “15 MURRAY STREET Block: 134 Lot: 1 BIN: 1001446 9-15 Murray Street

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NYC 9/11 Public Portal Document .3.vi uvr .V V 1 iv. vv i tua its. y.~v vvvv nay V J.

ATC Environmental, Inc. 104 East 25th Street New York, New York 10010

ATC Associates Inc. Approved N.Y. State ELAP #10879 104 East 25th Street ACCREDITED NVLAP Lab Code # 1187 New York, NY 10010 Report Date: 09/28/01 MICROSCOPY (TEM ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON Electron ni€fraction (SE) and Energy-Dispersivo X-RAY Spectros8oPY (EDS) Wins Fiber Identification by Sclecred-Area cPR. Part 763), Vol. 52, No. 210, October 30, 1987 Mothod: ARERA Final Rule, EPA Federal Register (40

Anslvsis Parametcrn Sample Identification

''EM Sample So.; 5577 - 59713 Project/site: 9 Murray Street, NY, 3rd F1ocr Grid Openings Analyzed: 5 Dato Received: 09 28 0y.

Average Grid Opening: 106.00 um Project sample No.: 3-04

1300 liters Total Area Analyzed: 0.0614 mina Air Volume=

Analytical Senuitivity: 14.8 s/mm2. Filter Typo; MCE RE MM diam Porc 8ire: 0.45 um 0.0044 s/cc Effective Area! 385 0502

— -----------------------`----------------------•----------------------., ---------- ------------------------ FIBROUS PPRTICULATES ANALYZED Number Obsorvod CONCENTRATION Total single matrix Total. struct. Filter Air glunters struct. Struct. a=Sum Struct/1m 12 struct/co nelm/m3 Fibers Bundles

0 0 D 0 0 0.0 0.0000 0 chrrysotile Asbestos 0

0 0 0 0 0.0 0.0000 0 Amphibole A.,be5t0s 0 0

0 0 0 0 0.0 0.0000 0 Ambiguous 0 0

0 0 0.0 0.0000 0 Total asbestos (includes ambiguous structures) D 0 0 0.0 0.0000 N/A Non-Asbestos 0 0 0 0 0 0 D 0 0.0 0.0000 N/A No Identification 0

0 0 0.0 0.0000 N/A Totnl3 (All Structures) uncertainty of this ar+alyeis is 1 standard deviation_ The estimated -----------------------`^-------------------- — ------------------- --------------`^---------------------- — Non-asbestos fiber i.d. (EDS/SEED) : None detected Amphibole Asbestos Type: None detected -----------------------------------`------------------------.--------------------- method. The Analysis was carried out in accordance with the approved TEM for the method. This laboratory is in compliance with the quality specified

Analyzed by: Report Reviewed by:

Roman Peysakhov Michael A. Gorycki, Ph.D. Director of Electron Microscopy

NYC-WTC 000097476

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NYC-WTC_000097476Source: NYC Law Department, mirrored locally

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