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← Document results/DEP Box 36/20 DEY STREET Block: 80 Lot: 4 BIN: 1075702 Millenium Hiton, 41-51 Church St, 172-184 Fulton St
Document / 137 pages

Air sample results for 55 Church Street, undated

Machine-extracted title · confidence 100%

Laboratory report from Testwell Laboratories presenting air sample results for the facility at 55 Church Street.

NYC-WTC_000103889–000104025

Folder label: “20 DEY STREET Block: 80 Lot: 4 BIN: 1075702 Millenium Hiton, 41-51 Church St, 172-184 Fulton St

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NYC 9/11 Public Portal Document I Environmental Laboratory 47 Hudson Street, Ossining, New : 10562 r NYS SLAPS 11142 NVLAP # 2000E3-0

a AIHA # 100147

Transmission Electron Microscopy Results Client: Bovis Lend Lease -- Project #: MBO-025AB 200 Park Avenue New York, New York Date Collected: 09/30/01 _ Date Rec'd (lab): 10/01/01 Sample Location: The Millenium Hilton Hotel Analysis Date: 10/09/01 55 Church Street TEM Analyst: D. McCarl New York, New York Analytical Method: AHERA EPA 40 CFR Part 763 Field Technician: T. Chhetry

• Filter Type - MCE 0.45 micron Avg.Grid Opening: 0.0121mm2

Lab Number Volume Coll. Grid Sample #: Sample Location: Grid Area Countable Asb. Concentration Concentration 01TEM # (liters) Openings Anal ed Analyzed Structures Structures/mm' Structures/cc

16-1 North Side of Corridor 3548 1300.0 6 0.073 11 151.52 0.045

16-2 In the Center of Corridor 3549 1300.0 6 0.073 13 179.06 0.053

16-3 South Side of Corridor 3550 1300.0 6 0.073 15 206.61 0.061 a 15-1 North Side of Corridor 3551 1300.0 6 0.073 10 137.74 0.041

15-2 In the Center of Corridor 3552 1300.0 6 0.073 4 55.10 0.016

15-3 South Side of Corridor 3553 1300.0 6 0.073 8 110.19 0.033

BLK-1 Field Blank 3554 0.0 6 0.073 0 <13.77 N/A

BLK-2 Field Blank 3555 0.0 6 0.073 0 <13.77 N/A a BLK-3 Field Blank 3556 0.0 6 0.073 0 <13.77 N/A

Structures/mm' Structures/cc Total Average Concentrations 140.04 0.04 This report Is the confidential property of our clients. This certificate of analysis/report shall not be used by the client to claim product endorsement by the National Voluntary Laboratory Approval Program (NVLAP) or any agency of the United States Government. The laboratory has no control over air sampling collection. This the written approval of Testwell Laboratories, Inc. certificate of analysis/report shall not be reproduced in full, without

Copyright ® 2001 Testwell Laboratories, Inc

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NYC-WTC 000103952

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NYC-WTC_000103952Source: NYC Law Department, mirrored locally

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