NYC 9/11 Public Portal Document
I Environmental Laboratory
47 Hudson Street, Ossining, New 10562
NYS ELAP 0 11142
MILAP 0 2000830
AJHA x 100147
9 Transmission Electron Microscopy Results
client: Bovis Lend Lease Project #: MBO-025AB
200 Park Avenue
New York, New York Date Collected: 09/28/01
• Date Rec'd (lab): 09/28/01 -
Sample Location: The Millenium Hilton Hotel Analysis Date: 09/30/01
55 Church Street TEM Analyst: D. McCarl
New York, New York Analytical Method: AHREA
EPA 40 CFR Part 763
Field Technician: M. Sokolinskiy/O. Koledenkov
. Filter Type - MCE 0.45 micron
Avg.Grld Opening: 0.0121mm2
Sample #:
55-1
J Sample Location:
South Side of Corridor
Lab Number Volume Coil.
01TEM #
3408
(liters)
Grid
Openings
Anal ell
Grid Area
Analyzed
Countable Asb.
Structures
Concentration
Structureslmm'
Concentration
Structures/cc
1250.0 6 0.073 2 27.55 0.008
55-2 In the Middle of Corridor 3409 1250.0 6 0.073 3 41.32 0.013
55-3 North Side of Corridor 3410 1250.0 6 0.073 2 27.55 0.008
54-1 South Side of Corridor 3411 1250.0 6 0.073 3 41.32 0.016
54-2 In the Middle of Corridor 3412 1250.0 6 0.073 3 41.32 0.013
•
54-3 North Side of Corridor . 3413 1250.0 6 0.073 5 68.87 0.021
53-1 South Side of Corridor 3414 1250.0 6 0.073 8 110.19 0.034
53-2 In the Middle of Corridor 3415 1250.0 6 0.073 7 96.42 0.030
53-3 North Side of Corridor 3416 1250.0 6 0.073 0 <13.77 <0.004
52-1 South Side of Corridor 3417 1250.0 6 0.073 0 <13.77 <0.004
52-2 In the Middle of Corridor 3418 1250.0 6 0.073 9 123.97 0.038
52-3 North Side of Corridor 3419 1250.0 6 0.073 5 68.87 0.021
StructuresImm2 Structures/cc
Total Average Concentrations <56.24 <0.017
This report is the confidential property of our clients. This certificate of analysis/report shad 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 ful. without
the written approval of Testwell Laboratories, Inc.
Copyright a 2001 Testwell Laboratories. Inc.
Laboratory Drfectoal4pptoved &gnaroty
S
NYC-WTC 000103937
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