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#2000e3-o
AINA # 100147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 06/06/02
Date Rec'd (lab): 06/07/02
Project #: MBO-025AB Analysis Date: 06/07/02
•
_ 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
519 36th Floor inside airlock During 15849 1125 <0.0024
520 36th floor freight elevator lobby During 15850 1125 0.0026
521 35th Floor inside airlock During 15851 1125 <0.0024
522 35th floor freight elevator lobby During 15852 1125 <0.0024
523 Field Blank During 15853 N/A N/A
524 Field Blank During 15854 N/A N/A
Limit of quantitation based on volume of air collected and 5.5 ff100 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 OC 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 McCarr - Laboratory Director
NYC-WTC_0001 0330
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