NYC 9/11 Public Portal Document
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LL TESTWELL LABORATORIES, INC.
Envir
r onmental Laboratory
47 Hudson Street, Ossining, New York 10562
NYS FLAP #11142
NVLAP # 200083-0
AMA # 100147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 06/21/02
Date Rec'd (lab): 06/24/02
Project #: MBO-025AB Analysis Date: 06/24/02
LL Analyst: M.B.
Sample Location: The Millenium Hilton
55 Chruch Street Analytical Method: NIOSH 7400
New York, New York
Field Technician: B. Gitman
a
Sample #: Sample Location: Sample Type 02PCM # Volume Concentration f/cc
743 3rd Floor inside airlock During 18048 1250 0.0035
744 3rd floor freight elevator lobby During 18049 1250 0.0059
745 23rd Floor inside airlock During 18050 1250 <0.0022
746 23rd floor freight elevator lobby During 18051 1250 <0.0022
747 24th Floor inside airlock During 18052 1250 0.0067
748 24th floor freight elevator lobby During 18053 1250 0.0086
749 25th Floor inside airlock During 18054 1250 0.0047
750 25th floor freight elevator lobby During 18055 1250 0.0035
0 751 Field Blank During 18056 N/A N/A
752 Field Blank During 18057 N/A N/A
* 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 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.
Deborah McCart - Laboratory Director
NYC-WTC 000103349
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