NYC 9/11 Public Portal Document
I Environmental Laboratory
47 Hudson Street, Ossining, New : 10562
r
NYS SLAPS 11142
NVLAP # 2000E3-0
a AIHA # 100147
Transmission Electron Microscopy Results
Client: Bovis Lend Lease -- Project #: MBO-025AB
200 Park Avenue
New York, New York
Date Collected: 09/30/01 _
Date Rec'd (lab): 10/01/01
Sample Location: The Millenium Hilton Hotel
Analysis Date: 10/09/01
55 Church Street
TEM Analyst: D. McCarl
New York, New York
Analytical Method: AHERA
EPA 40 CFR Part 763
Field Technician: T. Chhetry
• Filter Type - MCE 0.45 micron
Avg.Grid Opening: 0.0121mm2
Lab Number Volume Coll. Grid
Sample #: Sample Location: Grid Area Countable Asb. Concentration Concentration
01TEM # (liters) Openings
Anal ed Analyzed Structures Structures/mm' Structures/cc
16-1 North Side of Corridor 3548 1300.0 6 0.073 11 151.52 0.045
16-2 In the Center of Corridor 3549 1300.0 6 0.073 13 179.06 0.053
16-3 South Side of Corridor 3550 1300.0 6 0.073 15 206.61 0.061
a
15-1 North Side of Corridor 3551 1300.0 6 0.073 10 137.74 0.041
15-2 In the Center of Corridor 3552 1300.0 6 0.073 4 55.10 0.016
15-3 South Side of Corridor 3553 1300.0 6 0.073 8 110.19 0.033
BLK-1 Field Blank 3554 0.0 6 0.073 0 <13.77 N/A
BLK-2 Field Blank 3555 0.0 6 0.073 0 <13.77 N/A
a
BLK-3 Field Blank 3556 0.0 6 0.073 0 <13.77 N/A
Structures/mm' Structures/cc
Total Average Concentrations 140.04 0.04
This report Is the confidential property of our clients. This certificate of analysis/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
the written approval of Testwell Laboratories, Inc. certificate of analysis/report shall not be reproduced in full, without
Copyright ® 2001 Testwell Laboratories, Inc
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NYC-WTC 000103952
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