NYC 9/11 Public Portal Document
91
S
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TESTWELL LABORATORIES, INC.
Environmental Laboratory NYS ELIP R 11142
47 Hudson Street, Ossining, New York 10562 NVS}P .1 200083-0
AIHA C 100147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 05/14/02
Date Recd (lab): 05/15/02
Project #: MBO-025AB Analysis Date: 05/16/02
Analyst: D. Agrest
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: Sample Concentration
02PCM Volume
Type f/cc
Outside Work Area 50th Floor Inside
85 During 12714 1075 0.0050
Airlock
Outside Work Area 50th Floor
86 During 12715 1075 0.0062
Elevator Lobby
87 Field Blank Blank 12716 0 N/A
88 Field Blank Blank 12717 0 N/A
89 Field Blank Blank 12718 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
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 McCall - Laboratory Director
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NYC-WTC 000103220
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