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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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Scanned page image, NYC-WTC_000103948
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NYC 9/11 Public Portal Document

I ' Environmental Laboratory 47 Hudson Street, Ossining, New 1 10562 NYS CLAPS 11112 NVLAP 0 2000830 ALMA 0 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. McCarl 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 Sample #: Sample Location: 0 enin s Grid Area Countable Asb. Concentration Concentration HTEM # (liters) Analyzed Structures Structureslmm' Structures/cc Anal zed

C 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 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 NIA

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

structures/mm2 Structures/cc Total Average Concentrations <79.58 <0.019 S 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 ccrtrol over air sampling collection. This certificate of analysis/report shall not be reproduced in fug, witrout the written approval of Testwell Laboratories, Inc. Coovricrlt C 2001 Testweil Laboratories Inc

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NYC-WTC 000103948

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NYC-WTC_000103948Source: NYC Law Department, mirrored locally

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