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Chain of custody form for bulk sampling and air monitoring,

Machine-extracted title · confidence 90%

Documentation tracking the chain of custody for environmental samples collected from Building #400 at 375 South End Avenue in October 2001.

NYC-WTC_000095208–000095330

Folder label: “345 SOUTH END AVENUE Block: 16 Lot: 100 BIN: 1083378

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NYC 9/11 Public Portal Document - . -. .. . .-. 4--

104 East 25th Street New York. New York 10010 v www.atc-enviro.cam 212.353 8280 Fax 212.353.8306 ASSOC I ATES I N C.

October 9, 2001 AL nvironmental 115 t . 30th Street New York, NY 10001 Attn: Mr: Joshua Sarett

Re: Report of TEM Analysis Dear Mr. Sarett:

Following are the results of transmission electron microscopy (TEM) analysis of air samples from our Group No. 5642.

Client: Midetate/Lefrak, Gateway Plaza Project Name: Bldg. 400, 375 South End Avenue, NY, NY Location: various Sites Samples received: 10/09/01

These results will confirm and document the data transmitted today to you. The analyses were performed in strict conformance with the methodology of the AHERA Final Rule (CFR October 30, 1987) for clearance of abatement Sites. As indicated on the attached Summary Results sheet, no asbestos structures were detected in any of the thirty samples submitted from the site.

Results reported as Struct/cc are a function of air volume collected in the field and are, as such, not verifiable by this laboratory. This report may be reproduced only in its entirety and not without prior permission of this laboratory. If the post- abatement inside samples pass, the response action may be considered to have been completed. The analyses were supervised by • Dr. Michael A. Gorycki, Director of Electron Microscopy.

We are pleased to note that our TEM lab has received full accreditation from NVLAP, as is currently required for recognized analysis of TEM air samples for AHERA projects, and also approval under the NY State DOH ELAP program. These analyses were performed by ATC d/b/a ATC Associates Inc_

Please contact me regarding any questions relating to these materials.

Very truly yours,

Michael A. Gorycki, Ph.D. Director of Electron Microscopy

NYC-WTC 000095289

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NYC-WTC_000095289Source: NYC Law Department, mirrored locally

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