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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 / 163 pages

Air sampling correspondence, 20 Dey Street, Feb 2002

Machine-extracted title · confidence 85%

Cover letter dated February 22, 2002 from LMB Inc. regarding air sampling activities at 20 Dey Street and surrounding addresses.

NYC-WTC_000103723–000103885

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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Scanned page image, NYC-WTC_000103794
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NYC 9/11 Public Portal Document 1 CO I VVCLL LHDVEVt I VI[ICJ, II'i .

fl L Environmental Laboratory t-.,yY 47 Hudson Street, Ossining, New T..rk 10562 (r -f N F B u~ NYSELAP011142 rrvuw 02aooea0 /uru a 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): 10/01101 Sample Location: The Millenium Hilton Hotel Analysis Date: 10/08/01 55 Church Street TEM Analyst D. MCCarl New York, New York Analytical Method: A}-{ERA EPA 40 CFR Part 763 Field Technician: M. Sokolonskiy/O. Kolendenkov

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

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

26-1 North Side of Corridor 3536 1300.0 6 0.073 6 82.64 0.024

26-2 In the Center of Corridor 3537 1300.0 6 0.073 8 110.19 ,/ 0.033

26-3 South Side of Corridor 3538 1300.0 6 0.073 15 206.61 ✓ 0.061

25-1 North Side of Corridor 3539 1300.0 6 0.073 6 68.87 0.020

25-2 In the Center of Corridor 3540 1300.0 6 0.073 Overloaded NIA N/A

25-3 South Side of Corridor 3541 1300.0 6 0.073 4 55.10 0.016

24-1 North Side of Corridor 3542 1300.0 6 0.073 10 137.74 ✓ 0.041

24-2 In the Center of Corridor 3543 1300.0 6 0.073 12 165.29 ✓ 0.049

24-3 South Side of Corridor 3544 1300.0 6 0.073 9 123.97 V 0.037

17-1 North Side of Corridor 3545 1300.0 6 0.073 7 96.42 ✓ 0.029

17-2 In the Center of Corridor 3546 1300.0 6 0.073 11 151.52 ✓ 0.045

17-3 South Side of Corridor 3547 1300.0 6 0.073 4 55.10 0.016

Structures/mm2 Structures/cc Total Average Concentrations 113.95 I 0.03

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 certificate of analysis/report shall not be reproduced in full, without the written approval of Testwell Laboratories, Inc. Coovriaht O 2001 Testweli Laboratories. Inc.

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NYC-WTC 000103794

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NYC-WTC_000103794Source: NYC Law Department, mirrored locally

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