NYC 9/11 Public Portal Document
IL
I TESTWELL LABORATORIES, INC.
Environmental Laboratory NYS EIAD 4 11142
47 Hudson Street, Ossining, New York 10562 NVLAP 4 200083.0
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AIHA S 100147
10 PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 05/15/02
Date Rec'd (lab): 05/16/02
Project #: MBO-025AB Analysis Date: 05/16/02
Analyst: L. Chiaverini
Sample Location Millenium Hilton @ WTC
55 Chruch Street Analytical NIOSH 7400
New York, New York
Various Floors Sample Condition Acceptable? YES
Field Technician T. Chhetry
Sample #: Sample Location: Concentration
Sample 02PCM Volume
Type f/cc
Outside Work Area 53rd Floor Inside
114 During 12833 1275 0.0027
Airlock
Outside Work Area 53rd Floor
115 During 12834 1275 0.0050
Freight Elevator Lobby
Outside Work Area 52nd Floor Inside During 12835 1275 0.0046
116
Airlock
Outside Work Area 52nd Floor During 12836 1275 <0.0021
117
Freight Elevator Lobby
Outside Work Area 51st Floor Inside During 12837
118 1275• <0.0021
Airlock
Outside Work Area 51st Floor During 12838 1275 <0.0021
119
Freight Elevator Lobby
Outside Work Area 50th Floor Inside During 12839 1275 0.0027
120
Airlock
Outside Work Area 50th Floor
121 During 12840 1275 0.0050
Freight Elevator Lobby
122 Field Blank Blank 12841 0 <0.0021
123 Field Blank Blank 12842 0 <0.0021
124 Field Blank Blank 12843 0 <0.0021
125 Field Blank Blank 12844 0 <0.0021
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 dient &
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
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NYC-WTC 000103226
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