NYC 9/11 Public Portal Document
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TESTWELL LABORATORIES, INC.
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1 LL Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
NYS ELAP 9 11142
NVtAP # 200083-0
AINA # 100147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 06/20/02
Date Rec'd (lab): 06/21/02
Project #: MBO-025AB Analysis Date: 06/21/02
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Analyst: D. McCarl
Sample Location Millenium Hilton @ WTC
55 Chruch Street Analytical NIOSH 7400
New York, New York
Various Floors Sample Condition Acceptable? YES
Field Technician: B.Gitman
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Sample #: Sample Location: Sample Type 02PCM Volume Concentration
f/cc
709 Person Decon During 17575 1200 <.0023
710 Waste Decon During 17576 1200 <.0023
711 3rd floor inside air lock During 17577 1200 .0045
712 3rd floor freight elevator lobby During 17578 1200 .0055
713 23rd floor inside airlock During 17579 1200 .0057
714 23rd floor freight elevator lobby During 17580 1200 .0041
715 24th floor inside airlock During 17581 1200 .0043
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716 24th floor frieght elevator lobby During 17582 1200 .0039
717 25th floor inside air lock During 17583 1200 <.0023
718 25th floor freight elevator lobby During 17584 1200 .0057
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719 Person Decon During 17585 1350 <.0020
720 Waste Decon During 17586 1350 <.0020
* Limit of quantitation based on volume of air collected and 5.5 f/100 fields as per the NIOSH 7400 method. The report
value is calculated by using the higher value of either the actual concentration or the limit of quantification reported at
P(0.05) indicating the 95% confidence level at 2 standard deviations. ** Sample information is provided by the client &
I: presented as stated. *** Laboratory QC data available upon request. **** The laboratory has no control over air
sampling collection. Reports are 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. This certificate of analysis/report shall not be reproduced except in full,
without the written approval of Testwell Laboratories, Inc.
L Deborah McCarl - Laboratory Director
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NYC-WTC 000103343
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