NYC-WTC_000231403

NYC 9/11 Public Portal Document

104 Ea« 25tfi Street Naw York, New York 10010 www.aic-9nwira.com 212.353.9280 Pax 212,353 9306 SSOC1ATES the.

October S, 2001 f PAIiC Environmental [115 W. 30ch Street ftuew York. NY 10001 Attn; Mr. Joshua Sarett Re: Report of TEN! Analysis Dear Mr. SaretC: ^■Following are the results of transmission electron microscopy (TEM) ^analysis of air samples from our Group No. 5622 ^■Client: Midstats/Lefrak, Gateway Plaza SProject Warner Bldg. 400 it Location: Various Sites samples received; 10/2 6/91 iThese results will confirm and document the data transmitted today to you. The analyses were performed in strict conformance with the Lmethodology of the AKERA Final Rule (CFH October 30, 1997) for [ clearance of abatement sites. As indicated on. the attached. Summary ^Results sheet, no asbestos structures ware detected in any of the I twenty-five samples submitted from the site. E'Results' reported as scruct/cc' are a function of air volume I collected in the field and are. as such, not verifiable by this I laboratory. This report may be reproduced only in its entirety and I not without prior permission of this laboratory. if the post- I: abatement inside samples pass, the response action may be I considered to have been complsCed. Ths analyses were supervised by [Dr, Michael A, Gorycki, Director of Elactron Microscopy. L Ke are pleased to note that our TEM lab has received full Laocreditation from NVLAP, as is currently required for recognized ^■analysis of TEM air samplss for AHERA projects, and also approval I under the NY state doh FLAP program. These analyses were performed [by ATC d/ij/a Arc Associates Inc. ^please contact ms regarding any questions relating to these' I, materials.

i Very truly yours,

rbirector of Electron Microscopy

03566 ' f[lt

CITY_21MC100_008879982

NYC-WTC_000231416