NYC 9/11 Public Portal Document
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L TESTWELL LABORATORIES, INC.
Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
NYS BAP a 11142
NVI.AP:200083-0
Ak1A # 100147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 06/11/02
Date Rec'd (lab): 06/12/02
Project #: MBO-025AB Analysis Date: 06/12/02
— — Analyst: D. Agrest
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
Sample Concentration
Sample #: Sample Location: 02PCM Volume
Type f/cc
Outside Work Area 33rd Floor Inside
573 During 16298 1200 <0.0023
Airlock .
Outside Work Area 33rd Floor
574 During 16299 1200 0.0027
Freight Elevator Lobby
Outside Work Area 34th Floor Inside
575 During 16300 1200 0.0029
Airlock
Outside Work Area 34th Floor During 16301 1200 <0.0023
576
Freight Elevator Lobby
577 Blank Blank 16302 0 N/A
578 Blank Blank 16303 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 McCerl - Laboratory Director
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NYC-WTC 000103315
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