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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_000103787
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NYC 9/11 Public Portal Document

i i L.. Environmental Laboratory 47 Hudson Street, Ossining, New 1 10562 ~, ®~ ~ f F y EJ I~ wvs elAP,e 11142 aP000e nMA$ 100147

Transmission Electron Microscopy Results Client: Bovis Lend Lease Project#: MBO-025AB 200 Park Avenue New York, New York Date Collected: 09/29/01 Date Rec'd (lab): 09/29/01 Sample Location: The Millenium Hilton Hotel Analysis Date: 09/30/01 55 Church Street TEM Analyst: D. MCCar/ New York, New York Analytical Method: AHERA EPA 40 CFR Part 763 Field Technician: Tej Chhenty

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

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

35-1 35th Floor-Cooridor North 3432 1300.0 6 0.073 9 123.97 0.037

35-2 35th Floor-Cooridor Center 3433 1300.0 6 0.073 2 27.55 0.008

35-3 35th Floor-Cooridor South 3434 1300.0 6 0.073 5 68.87 0.020

34-1 34th Floor-Cooridor North 3435 1300.0 6 0.073 4 55.10 0.016

34-2 34th Floor-Cooridor Center 3436 1300.0 6 0.073 3 41.32 0.012

34-3 34th Floor-Cooridor South 3437 1300.0 6 0.073 10 137.74 ~' 0.041

27-1 27th Floor-Cooridor North 3438 1300.0 6 0.073 8 110.19 0.033

27-2 27th Floor-Cooridor Center 3439 1300.0 6 0.073 5 68.87 0.020

27-3 27th Floor-Cooridor South 3440 1300.0 6 0.073 6 82.64 V 0.024

BLK-1 Field Blank 3441 0.0 4 0.048 0 N/A N/A

BLK-2 Field Blank 3442 0.0 4 0.048 0 N/A N/A

BLK-3 Field Blank 3443 0.0 4 0.048 0 N/A N/A

Structures/mm2 Structures/cc Total Average Concentrations <79.58 I <0.019

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 anatysis/repon shag not be reproduced in full, without the written approval of Testweli Laboratories, Inc. Coovriaht 0 2001 Testweil Laboratories. Inc.

Labofaloty P ^

NYC-WTC 000103787

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NYC-WTC_000103787Source: NYC Law Department, mirrored locally

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