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 s 100147
Transmission Electron Microscopy Results
Client: Bovis Lend Lease - LMB
200 Park Avenue _ _
• New York, New York Date Collected: 06/07/02
Date Recd (lab): 06/10/02
Sample Location: Millenium Hilton Hotel @ WIC Various Floors Analysis Date: 06/11/02
55 Church Street TEM Analyst: D. McCarl
New York, New York Analytical Method: AHERA
• Field Technician: T. Chhetry/B. Gitman
Filter Type: MCE 0.45 micron
vg.Grld Opening: 0.0121mm2
Volume Grid
Grid Area Countable Asb. Concentration Concentration
Sample #: Sample Location: Lab Number Coll. Openings
02TEM # Analyzed structures Structures/mm2 Structures/cc
(liters) Analyzed
131 40th Floor 2819 1280.0 6 0.073 0 <13.77 <0.004
132 40th Floor 2820 1280.0 6 0.073 0 <13.77 <0.004
133 40th Floor 2821 1280.0 6 0.073 0 <13.77 <0.004
•
134 Blank 2822 00 6 0.073 0 <13.77 <0.004
135 Blank 2823 0.0 6 0.073 0 <13.77 <0.004
Structures/mm2 Structures/cc
L] Total Average Concentrations <13.77 <0.004
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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
0
NYC-WTC 000103634
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