NYC 9/11 Public Portal Document
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47 Hudson Street, Ossining, New . .. 10562
WeS FLAP # 11142
UV1 P a 20008?.^.
A;HA 5100147
Transmission Electron Microscopy Results
Client: Bovis Lend Lease r--
Project #: MBO-025A6
200 Park Avenue
New York, New York Date Collected: 09/29/01
Date Rec'd (tab): 09/29/01
Sample Location: The Miilenium Hilton Hotel
Analysis Date: 10/04/01
55 Church Street TEM Analyst: D. MCCari
New York, New York
Analytical Method: AHERA
Field Technician: M. Sokolinskiy/O. Kolendekov EPA 40 CFR Part 763
• Filter Type - MCE 0.45 micron
Avg.Grid Opening: 0.0121mm2
Lab Number Volume Coil. Grid
Sample #: Sample Location: Openings Grid Area Countable Asb. Concentration Concentration
01TEM # (liters) Analyzed Structures Structures/mm
Analyzed Structures/cc
31-1 South Side of Corridor 3460 1250.0 6 0.073 7 96.42 0.030
31-2 In the Middle of Corridor 3461 1250.0 6 0.073 5 68.87 0.021
31-3 North Side of Corridor 3462 1250.0 6 0.073 1 13.77 0.004
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30-1 South Side of Corridor 3463 1250.0 6 0.073 6 82.64 0.025
30-2 In the Middle of Corridor 3464 1250.0 6 0.073 5 68.87 0.021
C1 30-3 North Side of Corridor 3465 1250.0 6 0.073 4 55.10 0.017
29-1 South Side of Corridor 3466 1250.0 6 0.073 2 27.55 0.008
29-2 in the Middle of Corridor 3467 1250.0 6 0.073 2 27.55 0.008
29-3 North Side of Corridor 3468 1250.0 6 0.073 100 1377.41 0.424
28-1 South Side of Corridor 3469 1250.0 6 0.073 7 96.42 0.030
28-2 In the Middle of Corridor 3470 1250.0 6 0.073 6 82.64 0.025
28-3 North Side of Corridor 3471 1250.0 6 0.073 17 234.16 0.072
Structures/mm2 Structures/cc
Total Average Concentrations 185.95 0.057
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the client to claim product
Program (NVLAP) or any agency of the United States Government. The laboratory has no control over air sampling collection. This endorsement by the National Voluntary Laboratory Approval
certificate of analysis/report shall not be reproduced in fuq, without
the written approval of Testwell Laboratories, Inc.
Copyright C 2001 Testwell Laboratories Inc
. aora:ory rector pproveo gna:ory
NYC-WTC 000103950
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