NYC 9/11 Public Portal Document
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TESTWELL LABORATORIES, INC.
Environmental Laboratory NYS ELAP # 11142
47 Hudson Street, Ossining, New York 10562 NVLAP # 200083-0
AIHA # 100147
Transmission Electron Microscopy Results
Client: Bovis Lend Lease - LMB
200 Park Avenue
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New York, New York Date Collected: 04/18/02
Date Recd (lab): 04/19/02
. Sample Location: Millenium Hilton Hotel Analysis Date: 04/23/02
55 Church Street TEM Analyst: D. McCarl
New York, New York Analytical Method: AHERA
• Field Technician. B. Feldman
Filter Type: MCE 0.45 micron
vg.Grid Opening: 0.0121mm2
Volume Grid
Lab Number Grid Area Countable Asb. Concentration Concentration
Sample #: Sample Location: Coll. Openings
02TEM # Analyzed Analyzed Structures Structures/mm2 Structures/cc
(liters)
4th Floor Soho Room
1 1561 1240.0 6 0.073 2 27.55 0.009
Inside
2 4th Floor Corridor 1562 1230.0 6 0.073 2 27.55 0.009
4th Floor Board
3 1563 1240.0 6 0.073 4 55.10 0.017
Room Inside
4 Blank 1564 0.0 6 0.073 0 <13.77 <0.004
5 Blank 1565 0.0 6 0.073 0 <13.77 <0.004
Structures/mm2 Structures/cc
Total Average Concentrations 27.54 0.009
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
certificate of analysis/report shall not be reproduced in full, without the written approval of Testwell Laboratories, Inc.
Laboratory Director/Approved Signatory
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NYC-WTC 000103605
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