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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

9L •

TESTWELL LABORATORIES, INC. Envilronmental Laboratory NYS ELAP # 11142

. 47 Hudson Street, Ossining, New York 10562 NVLAP#200063-0 AIMA # 100147

PCM AIR SAMPLE RESULTS Client: Bovis Lend Lease Date Collected: 06/19/02 Date Rec'd (lab): 06/20/02 • Project #: MBO-025AB Analysis Date: 06/20/02 Analyst: D. Agrest 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

699 26th Floor inside airlock During 17399 1250 <0.0022 •

700 26th floor freight elevator lobby During 17400 1250 <0.0022

701 27th Floor inside airlock During 17401 1250 0.0024

27th floor freight elevator lobby •

702 During 17402 1250 0.0075

703 28th Floor inside airlock During 17403 1250 0.0182

704 28th floor freight elevator lobby During 17404 1250 0.0067

705 3rd Floor inside airlock During 17405 1150 <0.0023

706 3rd floor freight elevator lobby During 17406 1150 <0.0023

707 Field Blank During 17407 N/A N/A

708 Field Blank During 17408 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

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NYC-WTC 000103341

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NYC-WTC_000103341Source: NYC Law Department, mirrored locally

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