Environmental assessment report cover, 375 South End Ave, Nov 2001

NYC 9/11 Public Portal Document - ee eww yet E28 25th Steak A CE Es) New York. New York 10010 V/, LTO ae ‘wowtanscennosom sack\ ie et 212.353 8280 A es Ses Fax 212.353 8306 ASSOCIATES INC, : @ October 8, 2002 = ALC Environmental 115 W. 30th Street New York, NY 10002 3 Attn: Mr. Joshua Sarett Re: Report of TEM Analysis Dear Mr. Sarett Following are the results of transmission electron microscopy (TEM) analysis of an air sample from our Group No. 5640. 4 Client: Letrak Organization Project Name: Bldg. 400 Location: Apartment 100 Sample 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 the single inside sample submitted from the site. Results reported as Struct/cc are a function cf 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_000117507