NYC 9/11 Public Portal Document
1 I L
Environmental Laboratory ('
47 Hudson Street, Ossining, Nev 10562
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NYS ~ ° 11142
AIHA 0100147
Transmission Electron Microscopy Results
Client: Bovis Lend Lease Project#: MBO-025AB
200 Park Avenue
New York, New York Date Collected: 09129/01
Date Recd (lab): 09/29/01
Sample Location: The Millenium Hilton Hotel
Analysis Date: 10105/01
55 Church Street TEM Analyst: D. MCCarf
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
Lab Number Volume Coll. Grid Grid Area Countable Asb. Concentration Concentration
Sample #: Sample Location: Openings Structuresicc
01TEM # (liters) Analyzed Structures Structureslmm'
Anal ed
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 e" 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 tr 0.030
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
North Side of Corridor 3492 1250.0 6 0.073 5 68.87 0.021
43-3
42-1 South Side of Corridor 3493 1250.0 6 0.073 15 206.61 ✓ 0.064
In the Middle of Corridor 3494 1250.0 6 0.073 8 110.19 v 0.034
42-2
r 42-3 North Side of Corridor 3495 1250.0 6 0.073
Total Average Concentrations
3 41.32
$tructures/mm2
98.71
0.013
Structures/cc
<0.030
)t
endorsement by the National Voluntary Laboratory Approval
This report is the confidential property of our clients. This certificate of analysisheport shag not be used by the client to claim product
of analyststreport shag not be reproduced in fug, without
Program (NVLAP) or any agency of the United States Government The laboratory has no control over air sampling collection. This certificate
the written approval of Testvreg Laboratories. Inc.
Coovriaht A 2001 Testwell Laboratories. Inc.
tory story
NYC-WTC 000103793
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