NYC 9/11 Public Portal Document
TESTWELL LABORATORIES, INC.
L Environmental Laboratory
47 Hudson Street, Ossining, New York 10562 yA ~ L. ~ u,~11, ~ s zaooeu
AMA f 100147
Transmission Electron Microscopy Results
Client Bovis Lend Lease Project#: MBO-025AB
200 Park Avenue
New York, New York Date Collected: 10/18/01
Date Recd (lab): 10/19/01
sample Location: The Millenium Hilton Hotel Analysis Date: 10/19/01
TEM Analyst: D. MCCart
55 Church Street
New York, New York Analytical Method: AHERA
EPA 40 CFR Part 763
Field Technician: M. Sokolonskiy
Filter Type - MCE 0.45 micron
Avg.Grid Opening: 0.0121mm'
Sample #_
[
Sample Location:
Lab Number Volume Coll•
01TEM (liters)
Grid
Openings
Anal ed
Grid Area ountable Asb•
Analyzed EC Structures
Concentration
Structures/mm' E Concentration
Structures/cc
IA-4101 Room #4101 3770 1260.0 6 0.073 10 137.74 0.042
2A-4102 Room #4102 3771 1260.0 6 0.073 7 96.42 v. 0.029
3A-41Fl.S Corridor, South Side 3772 1260.0 6 0.073 6 82.64 v 0.025
4A-4103 Room #4103 3773 1260.0 6 0.073 12 165.29 0.051
5A-4104 Room #4104 3774 1260.0 6 0.073 11 151.52 "' 0.046
Room #4105 3775 1260.0 6 0.073 11 151.52 •. 0.046
6A-4105
Room #4106 3776 1260.0 6 0.073 8 110.19 V 0.034
7A-4106
Corridor at the Middle 3777 1260.0 6 0.073 5 68.87 0.021
8A-41FI.M.
9A-4107 Room #4107 3778 1260.0 6 0.073 10 137.74 ' 0.042
Room #4108 3779 1260.0 6 0.073 6 82.64 , 0.025
1OA-4108
Room #4109 3780 1260.0 6 0.073 8 110.19 . 7 0.034
11A-4109
L
12A-41FI.N. Corridor, North Side 3781 1260.0 6 0.073 10 137.74 0.042
Structures/mm2 Structures/cc
Total Average Concentrations 119.38 0.036
Appval
the client to claim product endorsement by the National Voluntary Laboratory Approval
This report is the confidential property of our clients. This certificate of analysis/report shall not be used by
certificate of analysis/report shall not be reproduced in full, without
program (NVLAP) or any agency of the United States Government. The laboratory has no control over air sampling collection. This
the written approval of Testwell Laboratories, Inc.
Copyright 0 2001 Testwell Laboratories. Inc.
NYC-WTC 000103850
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