NYC 9/11 Public Portal Document
• LL
TESTWELL LABORATORIES, INC.
Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
NYS EW # 11142
NVLAP * 200083-0
AIHA # 100147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 06/20/02
Date Recd (lab): 06/21/02
Project #: MBO-025AB Analysis Date: 06/21/02
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
Sample #: Sample Location: Sample Type 02PCM Concentration
Volume
f/cc
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721 3rd floor inside air lock During #REF! 1250 .0047
722 3rd floor freight elevator lobby During #REF! 1250 .0059
723 23rd floor inside airlock During #REF! 1250 .0061
724 23rd floor freight elevator lobby During #REF! 1250 .0071
725 24th.floor inside airlock During #REF! 1250 .0065
726 24th floor frieght elevator lobby During #REF! 1250 .0047
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727 25th floor inside air lock During #REF! 1250 .0073
728 25th floor freight elevator lobby During #REF! 1250 .0055
729 Field Blank Blank #REF! 0 0
730 Field Blank Blank #REF! 0 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 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 McCari - Laboratory Director
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NYC-WTC 000103345
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