NYC 9/11 Public Portal Document
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AIL Environmental Laboratory —
47 Hudson Street, Ossining, New ,c 10562
NS EtAP 4 11142
NVLAP a 200083-0
AIHA S 100147
Transmission Electron Microscopy Results
client: Bovis Lend Lease r-
Project#: MBO-025A8
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: 10/05/01
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: 0.0121mm'
1
Lab Number Volume Coll. Grid
Sample #: Sample Location:
01TEM # (liters)
0 en(n S
Anai ed
Grid Area Countable Asb. Concentration
Analyzed Structures Structures/mm'
Concentration
Structures/cc
1
45-1 South Side of Corridor 3484 1250.0 6 0.073 7 96.42 0.030
45-2 In the Middle of Corridor 3485 1250.0 6 0.073 6 82.64 0.025
45-3 North Side of Corridor 3486 1250.0 6 0.073 9 123.97 0.038
44-1 South Side of Corridor 3487 1250.0 6 0.073 7 96.42 0.030
44-2 In the Middle of Corridor 3488 1250.0 6 0.073 7 96.42 0.030
S 44-3 North Side of Corridor 3489 1250.0 6 0.073 5 68.87 0.021
43-1 South Side of Corridor 3490 1250.0 6 0.073 6 82.64 0.025
43-2 In the Middle of Corridor 3491 1250.0 6 0.073 8 110.19 0.034
43-3 North Side of Corridor 3492 1250.0 6 0.073 5 68.87 0.021
42-1 South Side of Corridor 3493 1250.0 6 0.073 15 206.61 0.064
42-2 In the Middle of Corridor 3494 1250.0 6 0.073 8 110.19 0.034
42-3 North Side of Corridor 3495 1250.0 6 0.073 3 41.32 0.013
Structures/mm' Structures/cc
Total Average Concentrations 98.71 <0.030
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 shag not be reproduced in full, without
r the written approval of Testwell Laboratories, Inc.
tl
Coovriaht C 2001 Testwell Laboratories Inc
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NYC-WTC 000103945
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