NYC 9/11 Public Portal Document
TESTWELL LABORATORIES, INC.
Environmental Laboratory NYS ELAP #11142
47 Hudson Street, Ossining, New York 10562 N LAP#200083-0
AIHA #100147
• PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 07/08/02
Date Recd (lab): 07/09/02
Project #: MSO-025AB Analysis Date: 07/09/02
. — — 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
932 12th floor inside air lock During 20411 1250 .0031
933 12th floor outside air lock During 20412 1250 .0051
934 person decon During 20413 1350 <.0020
935 waste decon During 20414 1350 .0027
936 Blank During 20415 N/A N/A
937 Blank During 20416 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 000103387
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