NYC 9/11 Public Portal Document
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1 TESTWELL LABORATORIES, INC.
Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
NYSELAP#11142
NVLAP#200083-0
AIHA # 100147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 06/13/02
Date Rec'd (lab): 06/14/02
Project #: MBO-025AB Analysis Date: 06/14/02 -
- — Analyst: D. Agrest _
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
608 33rd Floor inside airlock During 16578 1250 <0.0022
609 33rd floor freight elevator lobby During 16579 1250 <0.0022
610 34th Floor inside airlock During 16580 1250 <0.0022
611 34th floor freight elevator lobby During 16581 1250 <0.0022
612 Field Blank During 16582 N/A N/A
613 Field Blank During 16583 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
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NYC-WTC 000103323
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