NYC 9/11 Public Portal Document
Environmental Laboratory , NYs Er.AP01t142
• 47 Hudson Street, Ossining, New .10562
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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: 10/08/01
55 Church Street TEM Analyst: D. MCCar!
New York, New York Analytical Method: AHERA
EPA 40 CFR Part 763
Field Technician: M. Sokolonskiy/O. Kolendenkov
Filter Type - MCE 0.45 micron
Avg.Grid Opening: 0.0121mm2
FLb mber Volume Coll. Grid Grid Area Countable Asb. Concentration Concentration
Sample #: Sample Location: Openings
M# (liters)
Anal ed
Analyzed SWctures Structureslmm' ___________
SWctures/cc
[ J [
11-1 South Side of Corridor 3520 1250.0 6 0.073 19 261.71 0.081
11-2 In the Middle of Corridor 3521 1250.0 6 0.073 12 165.29 r 0.051
11-3 North Side of Corridor 3522 1250.0 6 0.073 14 192.84 .r 0.059
10-1 South Side of Corridor 3523 1250.0 6 0.073 3 41.32 0.013
10-2 In the Middle of Corridor 3524 1250.0 6 0.073 2 27.55 0.008
10-3 North Side of Corridor 3525 1250.0 6 0.073 18 247.93 0.076
9-1 South Side of Corridor 3526 1250.0 6 0.073 13 179.06 '- 0.055
9-2 In the Middle of Corridor 3527 1250.0 6 0.073 12 165.29 0.051
9-3 North Side of Corridor 3528 1250.0 6 0.073 11 151.52 0.047
4-1 South Side of Corridor 3529 1250.0 6 0.073 4 55.10 0.017
4-2 In the Middle of Corridor 3530 1250.0 6 0.073 11 151.52 v 0.047
4-3 North Side of Corridor 3531 1250.0 6 0.073 2 27.55 0.008
Structures/mm2 Structures/cc
Total Average Concentrations 138.89 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 certificate of analysis/report shall not be reproduced in full, wi
the written approval of Testwei Laboratories. Inc.
Coovricht C 2001 Testwell Laboratories. Inc.
narory
NYC-WTC 000103796
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