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Air monitoring report, 345 South End Avenue, Jan 2002

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Air monitoring report for 345 South End Avenue buildings conducted in January 2002 showing TEM results.

NYC-WTC_000121258–000121286

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

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NYC 9/11 Public Portal Document

New York, New York 10010 www atc-envuo corn

TC A S 9 O C I A T E S INC, 212.353 8280 Fax 212.353.6306

December 8, 2001

ALC Environmental 115 W. 30th Street New cork, NY 1000'! A:rtn: Mr. Joshua Sarett

Re: Report of TEM Analysis

Dear: Mr. Sarett:

Following are the results cf transmission electron microscopy (TEM) analysis of air samples from cur Group No. 6063.

Clie^t: Gateway Plaza Mngt. Corp. ?ro ct Name: Suildinc 30C at Gateway Plaza - 3E5 South End Ave. Locattion: 3rd Floor Samnjles received: 12/07/01

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 sates. The results of' the sample analyses are indicated on the attached document. as

Results reported as Struct/cc are a function. of air volume col Jected in the field and are, as such, not verifiable by this laboratory. This report may be reproduced entirety and only in its

not without prior permission of this laboratory. If the post- abatjement inside samples pass, the response action may be consjidered to have been completed- The analyses were supervised by Dr. Michael A. Gorycki, Director of Electron ;vicroscopy.

We are pleased to note that our TEM lab has received • acce tation from NVLAP, as is currently rewired for recognized ana ysis of TEM air samples for A_HER-A projects, and also approval performed and r the NY State DCH ELAP program. These analyses were by TC d/b/a ATC Associates Inc.

Please contact me regarding any questions relating to these materials.

m y yours,

el A. Gorycki, Ph.D. Xicllar Director of Electron Microscopy

NYC-WTC 000121261

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NYC-WTC_000121261Source: NYC Law Department, mirrored locally

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