NYC 9/11 Public Portal Document
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TESTWELL LABORATORIES, INC.
Environmental Laboratory NYS ELAP S 11142
47 Hudson Street, Ossining, New York 10562 NVLAP 4 200083-0
AIHA s 100147
Transmission Electron Microscopy Results
Client: Bovis Lend Lease - LMB
• 200 Park Avenue
New York, New York Date Collected: 08/08/02
— Date Recd (lab): 08/09/02 -
• Sample Location: Millenium Hilton Hotel @ WTC Various Floors Analysis Date: 08/12/02
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 ICountable Asb. Concentration I Concentration
Sample #: Sample Location: Colt. Openings
02TEM # Analyzed Structures Structures/mm2 Structures/cc
(liters) Analyzed
33rd Floor Inside Work
355 6198 1280.0 6 0.073 0 <13.77 <0.004
Area
33rd Floor Inside Work
356 6199 1280.0 6 0.073 0 <1.3.77 <0.004
Area
33rd Floor Inside Work
357 6200 1280.0 6 0.073 1 13.77 0.004
Area
358 Blank 6201 0.0 6 0.073 0 <13.77 <0.004
359 Blank 6202 0.0 6 0.073 0 <13.77 <0.004
j
_______________________________________________________________________________________________________________________
Structures/mm2 Structures/cc
Total Average Concentrations < 13.77 < 0.004
This report is the confidential property of our clients. This certificate of analysisireport 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
NYC-WTC 000103686
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