NYC 9/11 Public Portal Document
TESTWELL LABORATORIES, INC.
• 911 b
Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
NYSELAP#11142
NVLAP#200083-0
ANA # 100147
I CM AIR SAMPLE RESULTS
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Client: Bovis Lend Lease Date Collected: 06/17/02
Date Rec'd (lab): 06/18/02
Project #: MBO-025AB Analysis Date: 06/18/02
Analyst: D. McCarl
Sample Location: The Millenium Hilton
55 Chruch Street Analytical Method: NIOSH 7400
New York, New York
Field Technician: T. Chhetry & B. Gitman
Sample #: Sample Location: Sample_Type 02PCM # Volume Concentration f/cc
644 30th Floor inside airlock During 17079 1250 <0.0022
645 30th Floor Freight Elevator Lobby During 17080 1250 <0.0022
646 31th Floor inside airlock During 17081 1250 <0.0022
647 31th Floor Freight Elevator Lobby During 17082 1250 <0.0022
648 26th floor inside air lock During 17083 1250 <0.0022
649 26th Floor Freight Elevator Lobby During 17084 1250 <0.0022
650 27th floor inside air lock During 17085 1250 <0.0022
651 27th Floor Freight Elevator Lobby During 17086 1250 <0.0022
652 28th floor inside air lock During 17087 1250 <0.0022
653 28th Floor Freight Elevator Lobby During 17088 1250 <0.0022
654 Field Blank During 17089 N/A N/A
655 Field Blank During 17090 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
0 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 000103331
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