NYC 9/11 Public Portal Document
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TESTWELL LABORATORIES, INC.
Environmental Laboratory NYSELAP#11142
47 Hudson Street, Ossining, New York 10562 NVLAP 4200083-0
AIHA # 100147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 06/24/02
Date Rec'd (lab): 06/25/02
Project #: MBO-025AB Analysis Date: 06/25/02
Analyst: M. Stein
Sample Location: The Millenium Hilton
55 Chruch Street Analytical Method: NIOSH 7400
New York, New York
Field Technician: B. Gitman
Sample #: Sample Location: Sample Type 02PCM # Volume Concentration f/cc
765 3rd Floor inside airlock During 18233 1250 0.032
766 3rd floor freight elevator lobby During 18234 1250 0.0039
767 23rd Floor inside airlock During 18235 1250 <0.0022
L 768 23rd floor freight elevator lobby During 18236 1250 0.0024
769 24th Floor inside airlock During 18237 1250 0.0182
770 24th floor freight elevator lobby During 18238 1250 <0.0022
771 25th Floor inside airlock During 18239 1250 <0.0022
772 25th floor freight elevator lobby During 18240 1250 0.0055
773 Field Blank During 18241 N/A N/A
774 Field Blank During 18242 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 McCarl - Laboratory Director
NYC-WTC 000103353
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