NYC 9/11 Public Portal Document
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L TESTWELL LABORATORIES, INC.
Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
rrs ELAP 0 11142
rtvua 4 200083.0
AIHA x 100147
• Transmission Electron Microscopy Results
Client: Bovis Lend Lease - LMB
200 Park Avenue
New York, New York _ _ Date Collected: 06/11/02
• Date Rec'd (lab): 06/12/02
Sample Location: Millenium Hilton Hotel @ WTC Various Floors Analysis Date: 06/12/02
TEM Analyst: D. MCCar/
Analytical Method: AHERA
Field Technician; K. Lavrinenko
• Filter Type: MCE 0.45 micron
vg.Grld Opening: 0.0121mm2
Volume Grid
Lab Number Grid Area Countable Asb. Concentration Concentration
Sample #: Sample Location: Coll. Openings
02TEM # Structures Structures/mm2 Structures/cc
(liters) Analyzed Analyzed
1 3rd Floor Hall by 2849 ,200.0 6 0.073 3 41.32 0.013
Entrance
2 3rd Floor Hall by 2850 1200.0
( 6 0.073 3 41.32 0.013
Ventilation Room
3rd Floor Hall Middle of
3 2851 1200.0 + 6 0.073 4 55.10 0.018
Guest Prop. Office
4 3rd Floor Corridor by
2852 1200.0 6 0.073 3 41.32 0.013
Stairway "A,
5 3rd Floor Lobby by
Elevator Area
2853 1200.0 I 6 0.073 0 <13.77 <0.004
6 Field Blank 2854 0.0 6 0.073 0 <13.77 <0.004
Structures/mm2 1 Structures/cc
Total Average Concentrations 34.43 j 0.011
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 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
a
NYC-WTC-000103636
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