NYC 9/11 Public Portal Document
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LL TESTWELL LABORATORIES, INC.
Environmental LabroYatory
47 Hudson Street, Ossining, New York 10562
NYS ELAP # 11142
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: 06/14/02
Date Rec'd (lab): 06/16/02
Sample Location: Millenium Hilton Hotel @ WTC Various Floors Analysis Date: 06/19/02
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.Grid Opening: 0.0121mm2
Sample #: Sample Location: Lab Number
02TEM #
Volume
Coll. 1 Grid
Openins Grid Area Countable Asb. Concentration Concentration
(liters) Apelyed Analyzed Structures Structures/mm2 Structures/cc
0
Inside Work Area 32nd
154 2922 1280.0 6 0.073 0 <13.77 <0.004
Floor
Inside Work Area 32nd 2923 ,280.0 6 0.073 0 <13.77 <0.004
155
Floor
Inside Work Area 32nd 2924 1280.0
156 ( 6 0.073 0 <13.77 <0.004
Floor
Inside Work Area 32nd
157 2925 1280.0 6 0.073 0 <13.77 <0.004
Floor
158
Inside Work Area 32nd
Floor 2926 1280.0 I 6 0.073 0 <13.77 <0.004
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159
Inside Work Area 33rd
Floor 2927 1280.0 I 6 0.073 0 <13.77 <0.004
160
Inside Work Area 33rd
Floor 2928 1280.0 I 6 0.073 0 <13.77 <0.004
Inside Work Area 33rd 2929 ,280.0 6 0.073 0 <13.77 <0.004
161
Floor
Inside Work Area 33rd
162 2930 1280.0 6 0.073 0 <13.77 <0.004
Floor
Inside Work Area 33rd
163 2931 1280.0 6 0.073 0 <13.77 <0.004
Floor
Structures/mm2 Structures/cc
0 Total Average Concentrations <13.77 J <0.004
i nis report is the conriaenriai property or our clients. i nis certircate or 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
0
NYC-WTC 000103643
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