NYC 9/11 Public Portal Document
LL
TESTWELL LABORATORIES, INC.
Environmental Laboratory NYS ELAP # 11142
47 Hudson Street, Ossining, New York 10562 NVLAP 3 200083-0 -
AIHA # 100147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 06/12/02
Date Rec'd (lab): 06/13/02
Project #: MBO-025AB Analysis Date: 06/13/02
— Analyst: D. McCarl
Sample Location Millenium Hilton @ WTC
55 Chruch Street Analytical Method: NIOSH 7400
New York, New York
Various Floors Sample Condition Acceptable? YES
Field Technician B. Gitman
Location: Sample 02PCM Volume Concentration
Sample #: Sample
Type f/cc
Outside Work Area 33rd Floor Inside
590 During 16404 1250 <0.0022
Airlock
Outside Work Area 33rd
591 Floor During 16405 1250 0.0031
Freight Elevator Lobby
Outside Work Area 34th Floor Inside
592 During 16406 1250 0.0047
Airlock
Outside Work Area 34th Floor
593 During 16407 1250 0.0029
Freight Elevator Lobby
594 Feld Blank Blank 16408 0 N/A
595 Field Blank Blank 16409 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 000103319
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