NYC 9/11 Public Portal Document
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• LL Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
NYS ELAP # 11142
NVLAP # 200083-0
AIHA # 100147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 06/27/02
Date Rec'd (lab): 06/28/02
Project #: MBO-025AB Analysis Date: 06/28/02
Analyst: M.Stein
Sample Location The Millenium Hilton
55 Chruch Street Analytical NIOSH 7400
New York, New York
Field Technician: B. Gitman
Sample #: Sample Location: Sample Type 02PCM # Volume Concentration f/cc
813 Person Decon During 19060 2550 .0012
814 Wste Decon During 19061 2550 <.0011
815 20th floor inside airlock During 19062 900 .0044
816 20th floor inside airlock During 19063 900 .0075
817 21st floor inside airlock During 19064 900 .0044
818 21st floor outside airlock During 19065 900 .0038
819 22th floor inside airlock During 19066 900 <.0030
820 22th floor outside airlock During 19067 900 <.0030
821 19th floor inside airlock During 19068 2350 .0021
822 19th floor outside airlock During 19069 2350 .0035
823 18th floor inside airlock During 19070 2350 .0034
824 18th floor outside airlock During 19071 2350 .004
0
* 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 &
presented as stated. "" Laboratory QC data availaole 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,
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without the written approval of Testwell Laboratories, Inc.
Deborah McCarl - Laboratory Director
NYC-WTC 000103363
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