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PCM air sample results chain of custody, 200 Park Avenue

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Chain of custody forms for personal protective equipment and air sampling results conducted at 200 Park Avenue by Testwell Laboratories.

NYC-WTC_000103205–000103466
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NYC 9/11 Public Portal Document

LL TESTWELL LABORATORIES, INC. Envir r onmental Laboratory 47 Hudson Street, Ossining, New York 10562 NYS FLAP #11142 NVLAP # 200083-0 AMA # 100147

PCM AIR SAMPLE RESULTS Client: Bovis Lend Lease Date Collected: 06/21/02 Date Rec'd (lab): 06/24/02 Project #: MBO-025AB Analysis Date: 06/24/02 LL Analyst: M.B. Sample Location: The Millenium Hilton 55 Chruch Street Analytical Method: NIOSH 7400 New York, New York

Field Technician: B. Gitman a

Sample #: Sample Location: Sample Type 02PCM # Volume Concentration f/cc

743 3rd Floor inside airlock During 18048 1250 0.0035

744 3rd floor freight elevator lobby During 18049 1250 0.0059

745 23rd Floor inside airlock During 18050 1250 <0.0022

746 23rd floor freight elevator lobby During 18051 1250 <0.0022

747 24th Floor inside airlock During 18052 1250 0.0067

748 24th floor freight elevator lobby During 18053 1250 0.0086

749 25th Floor inside airlock During 18054 1250 0.0047

750 25th floor freight elevator lobby During 18055 1250 0.0035

0 751 Field Blank During 18056 N/A N/A

752 Field Blank During 18057 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 McCart - Laboratory Director

NYC-WTC 000103349

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NYC-WTC_000103349Source: NYC Law Department, mirrored locally

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