NYC 9/11 Public Portal Document
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TESTWELL LABORATORIES, INC.
Environmental Laboratory NYS ELAP # 11142
47 Hudson Street, Ossining, New York 10562 NVLAP#200063-0
AIHA #100147
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PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 07/09/02
Date Recd (lab): 07/10/02
Project #: MBO-025AB — Analysis Date: 07/10/02 —
Analyst: D McCarl
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
950 9th floor inside air lock During 20622 1250 .0073
951 9th floor outside air lock During 20623 1250 .0047
952 Blank During 20624 N/A N/A
0
953 Blank During 20625 N/A NIA
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 McCarl - Laboratory Director
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NYC-WTC 000103391
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