lb
TESTWELL LABORATORIES, INC.
Environmental Laboratory NYS FLAP # 11142
47 Hudson Street, Ossining, New York 10562 NVLAP 5200083-3
AIHA # 100147
Transmission Electron Microscopy Results
client: Bovis Lend Lease - LMB
200 Park Avenue
New York, New York Date Collected: 06/20/02
Date Rec'd (lab): 06/21/02
Sample Location: Millenium Hilton Hotel @ WTC Various Floors Analysis Date: 06/24/02
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
Sample #: Sample Location: Coil. Openings Grid Area Countable Asb. Concentration Concentration
02TEM #
(liters) Analyzed Analyzed Structures Structures/mm2 Structures/cc
Inside Work Area 26th
188 3049 1280.0 6 0.073 2 27.55 0.008
Floor
Inside Work Area 26th
189 3050 1280.0 ( 6 0.073 0 <13.77 <0.004
Floor
Inside Work Area 26th
190 3051 1280.0 6 0.073 0 <13.77 <0.004
Floor
Inside Work Area 26th
191 3052 1280.0 6 0.073 0 <13.77 <0.004
Floor
Inside Work Area 26th
192 Floor 3053 1280.0 6 0.073 0 <13.77 <0.004
Inside Work Area 27th
193 3054 1280.0 6 0.073 0 <13.77 <0.004
Floor
Inside Work Area 27th
194 3055 1280.0 ( 6 0.073 0 <13.77 <0.004
Floor
Inside Work Area 27th
195 3056 1280.0 6 0.073 0 <13.77 <0.004
Floor
Inside Work Area 27th 3057 ,280.0 6 0.073 1 13.77 0.004
196
Floor
Inside Work Area 27th
197 3058 1280.0 6 0.073 0 <13.77 <0.004
Floor
Structures/mm2 Structures/cc
Total Average Concentrations <15.14 j <0.004
I his report is the confidential property of our clients. I his 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
•
NYC-WTC 000103651
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NYC-WTC_000103651Source: NYC Law Department, mirrored locally