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PCM air sample results chain of custody, 200 Park Avenue

Machine-extracted title · confidence 85%

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

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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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NYC-WTC_000103337Source: NYC Law Department, mirrored locally

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