NYC 9/11 Public Portal Document
1' Environmental Laboratory
47 Hudson Street, Ossining, New 10562 NYS ELAP t t1142
NVLAP O 20008'+0
AIHA a 100147
Transmission Electron Microscopy Results
Client: Bovis Lend Lease
— Project #: MBO-025A.6
200 Park Avenue
New York, New York
Date Collected: 09/29/01
• Sample Location: The Millenium Hilton Hotel Date Rec'd (lab): 09/29/01
Analysis Date: 10/04/01
55 Church Street
New York, New York TEM Analyst: D. McCarl
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 Jvolumecoil.J Grid
Sample #: Sample Location: Grid Area Countable Asb. Concentration Concentration
01TEM# liters enings
( ) Op
Anal ed Analyzed Structures Structures/mm' Structuresicc
41-1 South Side of Corridor 3472 1250.0 6 0.073 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 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 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 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/mm Structures/cc
Total Average Concentrations 113.63 0.035
This report is the confidential property of our clients. This certificate of analysis/report shall not be
Program (NVLAP) or any agency of the United States Government. The laboratory has no controlused by the client to claim product endorsement by the National Voluntary Laboratory
over air sampling collection. This certificate of analysis/report shall not be reproducedApproval
the written approval of Testwell Laboratories, Inc. in full. without
Coovrtaht 0 2001 Testwell Laboratories Inc
aooratory vector pproveo gnatory
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0
NYC-WTC 000103946
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