NYC 9/11 Public Portal Document
' Environmental Laboratory g _ NYS ELAP 911142
47 Hudson Street, Ossining, Newl '10562
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Transmission Electron Microscopy Results
client: Bovis Lend Lease Project#: MSO-025AS
200 Park Avenue
New York, New York Date Collected: 09/29/01
Date Rec'd (lab): 09129/01
Sample Location: The Millenium Hilton Hotel Analysis Date: 10/04/01
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
Sample #:
41-1
Sample Location:
South Side of Corridor
Lab Number Volume Coll.
01TEM #
3472
(liters)
1250.0
O enin s
Anat ed
6
Grid Area
Analyzed
0.073
Countable Asb.
Structures
J
Concentration
Structures/mm'
J Concentration
Structures/cc
12 165.29 — 0.051
41-2 In the Middle of Corridor 3473 1250.0 6 0.073 16 220.39 ✓ 0.068
41-3 North Side of Corridor 3474 1250.0 6 0.073 8 110.19 '1 0.034
40-1 South Side of Corridor 3475 1250.0 6 0.073 7 96.42 0.030
40-2 In the Middle of Corridor 3476 1250.0 6 0.073 14 192.84 0.059
40-3 North Side of Corridor 3477 1250.0 6 . 0.073 14 192.84 d 0.059
33-1 South Side of Corridor 3478 1250.0 6 0.073 5 68.87 0.021
33-2 In the Middle of Corridor 3479 1250.0 6 0.073 2 27.55 0.008
33-3 North Side of Corridor 3480 1250.0 6 0.073 3 41.32 0.013
32-1 South Side of Corridor 3481 1250.0 6 0.073 11 151.52 v' 0.047
32-2 In the Middle of Corridor 3482 1250.0 6 0.073 5 68.87 0.021
32-3 North Side of Corridor 3483 1250.0 6 0.073 2 27.55- 0.008
Structures/mm2 Structures/cc
Total Average Concentrations 113.63 0.035
This report Is the confidential property of our clients. This certificate of analysts/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 fui, without
the written approval of Testwell Laboratories, Inc.
Co 0 1 Testwell Laboratories. Inc,.
Laamor/vlmctor/Appavea n
NYC-WTC 000103791
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