NYC 9/11 Public Portal Document
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TESTWELL LABORATORIES, INC.
Environmental Laboratory NYSE.P011142
47 Hudson Street, Ossining, New York 10562 NVLAP* 200083-0
•
AIMA * 100147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 05/29/02
Date Rec'd (lab): 05/30/02
Project #: MBO-025AB Analysis Date: 05/30/02
Analyst: A. Sokol
Sample Location Millenium Hilton @ WTC
55 Chruch Street Analytical Method: NIOSH 7400
New York, New York
Various Floors Sample Condition Acceptable? YES —
• Field Technician T. Chhetry
Sample #: Sample Loca tion: Sample 02PCM Volume Concentration
Type f/cc
Outside Work Area 43rd Floor Irde
359 During 14738 1350 <0.0020
Airlock
Outside Work Area 43rd Floor During 14739 1350 <0.0020
360
Freight Elevator Lobby
Outside Work Area 42nd Floor
361 Irde During 14740 1350 0.0022
Airlock
Outside Work Area 42nd Floor
362
Freight Elevator Lobby During 14741 1350 <0.020 7
Outside Work Area 41st Floor Inside
363 During 14742 1350 0.0025
Airlock
Outside Work Area 41st Floor
364 During . 14743 1350 <0.0020
4
Freight Elevator Lobby
Outside Work Area 5th Floor Inside
365 During- 14744 1350 0.0163
Airlock
Outside Work Area 5th Floor Freight During 14745 1350 0.0073
366
Elevator Lobby
367 Field Blank Blank 14746 0 N/A
368 • Field Blank Blank 14747 0 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
S 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.
S Deborah McCarl -- Laboratory Director
*
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NYC-WTC 000103273
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