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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

• L TESTWELL LABORATORIES, INC. Environmental Laboratory 47 Hudson Street, Ossining, New York 10562 NYS SLAP 011142 MvtAP#20008M r- AIHA # 100147

PCM AIR SAMPLE RESULTS Client: Bovis Lend Lease Date Collected: 06/05/02 Date Recd (lab): 06/06/02 Project #: MBO-025AB Analysis Date: 06/06/02 Analyst: D. McCarl Sample Location: The Millenium Hilton 55 Chruch Street Analytical Method: NIOSH 7400 New York, New York

Field Technician: B. Gitman

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

496 4th Floor inside airlock During 15675 1100 0.0082

497 4th floor freight elevator lobby During 15676 1100 0.0067

498 38th Floor inside airlock During 15677 1300 0.0030

499 38th floor freight elevator lobby During 15678 1300 0.0028

500 39th Floor inside airlock During 15679 1300 0.0036

501. 39th floor freight elevator lobby During 15680 1300 0.0040

502 40th Floor inside airlock During 15681 1300 0.0023

503 40th floor freight elevator lobby During 15682 1300 0.0066

504 Field Blank During 15683 N/A N/A

505 Field Blank During 15684 N/A N/A

506 Field Blank During 15685 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 McCa,1- Laboratory Director

NYC-WTC 000103299

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NYC-WTC_000103299Source: NYC Law Department, mirrored locally

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