NYC 9/11 Public Portal Document
• 'fl TESTWELL LABORATORIES, INC.
Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
NYS ELAP 3 11142
NVLAP # 200083-0
ALMA x 100147
Transmission Electron Microscopy Results
•
Client: Bovis Lend Lease - LMB
200 Park Avenue
New York, New York Date Collected: 06/25/02
Date Rec'd (lab): 06/26/02
Sample Location: Millenium Hilton Hotel @ WTC Various Floors Analysis Date: 06/27/02
• 55 Church Street TEM Analyst: D. McCarl
New York, New York Analytical Method: AHERA
Field Technician: B. Gitman
Filter Type: MCE 0.45 micron
Wg.Grid Opening: 0.0121mm2
__Volume
Lab Number Grid
Sample #: Sample Location: Coll. Openings Grid Area Countable
Analyzed Asb. Structures/
Structures Concentration
mm= Concentration
02TEM # Structures/cc
( [ (liters) Analyzed
Inside Work Area 23rd 3121 ,280.0 6 0.073 2 27.55 0.008
205
Floor
Inside Work Area 23rd 3122 ,280.0 6 0.073 5 68.87 0.021
206
Floor
Inside Work Area 23rd 3123 ,280.0 6 0.073 4 55.10
207 ( 0.017
Floor
Inside Work Area 23rd 3124 ,280.0 6 0.073 3 41.32 0.012
208
Floor
Inside Work Area 23rd 3125 ,280.0 6 0.073 1 13.77 0.004
209
I7 Floor
Inside Work Area 24th
210 X126 1280.0 6 0.073 2 27.55 0.008
Floor
Inside Work Area 24th
211 3127 1280.0 6 0.073 0 <13.77 <0.004
Floor
212
Inside Work Area 24th
Floor
3128 1280.0
I 6 0.073 1 13.77 0.004
213
Inside Work Area 24th
Floor
3129 ,280.0 6 0.073 2 27.55
I 0.008
Inside Work Area 24th
214 3130 1280.0 6 0.073 3 41.32 0.012
Floor
a
Structures/mm2 Structures,::
Total Average Concentrations 33.05 0.009
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property or our cuents. i nis ceruncate or analysis/report shall not be used by the client to claim product endorsement by the Naticrai
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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
41
NYC-WTC 000103655
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