NYC-WTC_000230948

NYC 9/11 Public Portal Document

lOd Eaw 2btri Site« Mew Yort. New Yorfc 70010 WWW. ale* Bl wo-cewn 213.353.8280 Fax 212.353 8306 s sOcr^Tes INC. 5-1_____ ____ ■< .

October 2X, 2001 ADC Environmental li'i W. .3 0th street New York, NY 1C001. . . Attn: Hr. Joshua Sarett He: Report of TEM Analysis Dear Mr. Sarett : Following are the result.^ of transmission electron microscopy (tEM) analysis of air samples from our Group Ko. 5736. Client: Gateway Plaza Mngt. Corp. Project Kame: Parking Garage, Gateway Plata Location: Various Si.tea Sample'.: received: 10/21/01 These results will confirm and document tiie data transmitted today to you. The analyses were performed in strict conformance with the methodology of the AHERA Final Rule (CFR Octabe.r 30, lS87t tor clearance of abatement sites. As indicated on the attached .Fnmmary Results sheet, no asbestos structures were detected tn any of the fifteen samples .submitted from the .c.lte.

Results 'reported as Struct/oC are a function of air volume collected in the field and are, a.s such, not verifiable by this iabor.B.tory. This report may be reproduced only in its entirety and not without prior permist:.Ion of this laboratory If the post- abatement inside samples pa.ss, the response action may be considered to have been completed. The analyses were supervised by Dr. Michael A. Goryck.i, Director of Electron Microscopy. We are pleased to note that our TEM lab has received full accreditat.inn from KVLAP, as is currently required for recognized analysis of TEM air samples for AHERA projects, and also approval under the MY State DOH ELAP program. These analyses were performed by ATC d/b/a ATC Associates Inc. Pleasft contact me regax'ding any questions relating Co these Ilia ter i al s.

Very truly yourii,

Michael A. Gorycki, Ph.D. Director o£ Electron Microscopy .s. i

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NYC-WTC_000230952