NYC 9/11 Public Portal Document
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9L TESTWELL LABORATORIES, INC.
Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
NYS ELAP # 11142
NVLAP #200083-0
AIHA #100147
PCM AIR SAMPLE RESULTS
•
Client: Bovis Lend Lease Date Collected: 06/18/02 -
Date Rec'd (lab): 06/19/02
Project #: MBO-025AB Analysis Date: 06/19/02
Analyst: D. McCarl
Sample Location: The Millenium Hilton
55 Chruch Street — Ana1ytical Method: NIOSH 7400
Li New York, New York
Field Technician: B. Gitman
Sample #: Sample Location: Sample Type 02PCM # Volume Concentration f/cc
680 30th Floor inside airlock During 17245 1200 0.0039
681 30th floor freight elevator lobby During 17246 1200 0.0076
682 31st Floor inside airlock During 17247 1200 0.0041
683 31st floor freight elevator lobby During 17248 1200 0.0078
684 Field Blank During 17249 N/A N/A
685 Field Blank During 17250 N/A N/A
686 Field Blank During 17251 N/A 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 McCarl - Laboratory Director
NYC-WTC 000103337
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