NYC 9/11 Public Portal Document
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„L Environmental Laboratory
47 Hudson Street, Ossining, New 10562
NYS CLAP a 11147
NVIAP a 20008.'.0
AP A 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): 10/01/01
Sample Location: The Millenium Hilton Hotel Analysis Date: 10/08/01
55 Church Street TEM Analyst: D. McCarl
New York, New York Analytical Method: AHERA
EPA 40 CFR Part 763
Field Technician: M. Sokolinskiy/O. Kolendekov
• Filter Type - MCE 0.45 micron
Avg.Grid Opening: 0.0121mm2
Lab Number Volume Coll. Grid
Sample #: Sample Location: Grid Area Countable Asb. Concentration Concentration
01TEM # Openings
(liters) Analyzed Structures Structuresimm' Structures/cc
Anal ed
19-1 South Side of Corridor 3508 1250.0 6 0.073 10 137.74 0.042
19-2 In the Middle of Corridor 3509 1250.0 6 0.073 7 96.42 0.030
19-3 North Side of Corridor 3510 1250.0 6 0.073 1 13.77 0.004
S
18-1 South Side of Corridor 3511 1250.0 6 0.073 8 110.19 0.034
18-2 In the Middle of Corridor 3512 1250.0 6 0.073 5 68.87 0.021
•
18-3 North Side of Corridor 3513 1250.0 6 0.073 5 68.87 0.021
14-1 South Side of Corridor 3514 1250.0 6 0.073 9 123.97 0.038
14-2 In the Middle of Corridor 3515 1250.0 6 0.073 17 234.16 0.072
14-3 North Side of Corridor 3516 1250.0 6 0.073 15 206.61 0.064
12-1 South Side of Corridor 3517 1250.0 6 0.073 5 68.87 0.021
12-2 In the Middle of Corridor 3518 1250.0 6 0.073 6 82.64 0.025
12-3 North Side of Corridor 3519 1250.0 6 0.073 4 55.10 0.017
Structures/mm= Structures/cc
Total Average Concentrations 105.60 <0.032
I 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.
Copyright 0 2001 Testwell Laboratories Inc
Lacoratoiy Director/Approved Sgnator1
NYC-WTC 000103953
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