NYC 9/11 Public Portal Document
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JL TESTWELL LABORATORIES, INC.
Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
NYS ELAP S 11142
NVLAP 4 200083-0
AIHA 4 100147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 05/22/02
S Date Rec'd (lab): 05/23/02
Project #: MBO-025AB Analysis Date: 05/23/02
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
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Field Technician T. Chhetry
Sample #: Sample Location: Sam ple 02PCM Volume Concentration
Type f/cc
264 Field Blank Blank 14061 0 N/A
265 Field Blank Blank 14062 0 N/A
266 Field Blank Blank 14063 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 McCarf - Laboratory Director
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NYC-WTC 000103253
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