NYC-WTC_000205634

NYC 9/11 Public Portal Document OCT-05-2001 12:00 P.03 104 Sast 25lh SlrMl N8»a» Yem. (Mew York 10010 wwwawenviro.eem 212,3S3 ezeo fax 212 353.8308 Associatte inc.

October 4, 2001 ALC 3,nvironmental I’j w. joth Street Naw Yrsk, MV 1? ■ Attn; Mr. Joshua Surat- RS: Report of TEM Analysis Dear Mr. Saretti Following are the reeults of transmi^ision electron raicroscor,y (tem) analysis of air samples from our Group ^fo. 560i. Client: Gateway Plaza Mall Project iJatne; 35S South End Av-^nue Location: Various Apartments Samples received: 10/04/01 These results will confirm and document the data transmitted today to you. The analyses were performed in strict conformance with the methodology of the AH&RA Final Rule jcFR October 30, Ise?) for clearance of abatement sices. As indicated on the attached Sunwnary Results sheet, less than 70 asbestos structures per nw was detected in all of the twelve final samples submitted from the site. ■

Results reported as Struct/cc are a function of air volume collected in the field and are, ae such, not verifiable by this laboratory, This report may be reproduced only in its entirety and not without pticr permisfiion of this laboratory. If the po5c- 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 SXectron Microscopy. We are pleased to note that our tem lab has received £uli ’"f aeeveditacion from NVIAP, as is currently required for recognized analysis of TEM air sampled® for AKERA projects, and also approval under the NY State DOH SLAP 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, Fh.D. Director of Electron Microscopy

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CITY_21MC100_0 02990561

NYC-WTC_000205634