NYC 9/11 Public Portal Document
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TESTWELL LABORATORIES, INC.
Environmental Lat oratory NYS aAP 511142
47 Hudson Street, Ossining, New York 10562 N W a 200087-0
• AIHA 7 100147
Transmission Electron Microscopy Results
client: Bovis Lend Lease - LMB
• 200 Park Avenue
New York, New York Date Collected: 06/03/02
Date Rec'd (lab): 06/04/02
Sample Location: Millenium Hilton Hotel @ WTC Various Floors Analysis Date: 06/05/02
55 Church Street TEM Analyst: D. McCar/
New York, New York Analytical Method: AHERA
• Field Technician: B. Gitman
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. Open'r s
02TEM # Analyzed Structures Structures/mm2 Structures/cc
(liters) Openi
Analyced
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Inside Work Area
90 2721 1280.0 6 0.073 0 <13.77 <0.004
41st Floor
Inside Work Area
91 2722 1280.0 6 0.073 0 <13.77 <0.004
41st Floor
Inside Work Area
92 2723 1280.0 6 0.073 0 <13.77 <0.004
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41st Floor
Inside Work Area
93 2724 1280.0 6 '" 0.073 0 <13.77 <0.004
41st Floor
Inside Work Area
94 2725 1280.0 6 0.073 0 <13.77 <0.004
41st.Floor
Inside Work Area
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95 2726 1280.0 6 0.073 0 <13.77 <0.004
42nd Floor
Inside Work
96 Area 2727 1280.0 6 0.073 0 <13.77 <0.004
42nd Floor
97 Inside Work Area
2728 1280.0 6 0.073 0 <13.77 <0.004
42nd Floor
Inside Work Area
•
98 2729 1280.0 6 0.073 0 <13.77 <0.004
42nd Floor
Inside Work Area
99 2730 1280.0 6 0.073 0 <13.77 <0.004
42nd Floor
Structures/mm2 Structures/cc
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Total Average Concentrations <13.77 <0.004
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 GovemrnenL 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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