NYC 9/11 Public Portal Document
L TESTWELL LABORATORIES, INC.
Environmental Laboratory NYSEW111142
ii 47 Hudson Street, Ossining, New York 10562 Iwi- a
200083-o
AIHA * I00147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 05/24/02
Date Rec'd (lab): 05/26/02
• Project #: MBO-025AB Analysis Date: 05/28/02
Analyst: D. McCar/
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 Concentration
Sample #: Sample Location: Type 02PCM Volume
f/cc
Outside Work Area Clean Room of During 14430 1350 0.0067
315
Remote Personal Decon
Outside Work Area Remote Wane
316 During 14431 1350 OVERLOAD
Decon
Outside Work Area 46th Floor Inside During 14432 1350 0.0054
317
Airlock
Outside Work Area 46th
318 Floor During 14433 1350 OVERLOAD
Freight Elevator Lobby -
Outside Work Area 45th Floor Inside
319 During 14434 1350 0.0076
. Airlock
Outside Work Area 45th
320 Floor During 14435 1350 0.0064
Freight Elevator Lobby
Outside Work Area 44th Floor Inside
321 During 14436 1350 0.0051
Airlock
Outside Work Area 44th
322 Floor During 14437 1350 OVERLOAD
Freight Elevator Lobby
323 Field Blank Blank 14438 0 N/A
324 Field Blank Blank 14439 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 McCart - Laboratory Director
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NYC-WTC 000103264
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