TEM air sample results report, 125 [name], Oct 2002

NYC 9/11 Public Portal Document

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ATC www.atc-enviro.coi 212.353.82E Fax 212.353.83C

ASSOC I ATES I N C.

October 3, 2002

ATC Associates Inc. 104 East 25th Street New York, NY 10010

Attn: Mr. Ben Sallemi

Re Report of TEM Analysis

Dear Mr. Sallemi: romtoursmission electron microscopy (TEM) of Following are Group No .l 8928 analysis of air t samples s sf

Client: D.E.P. 125 Cedar St., NY, NY Project Name: D.E.P. Clean-up, Location: Entire Building Samples received: 10/03/02 transmitted today and document the data These results will confirm strict conformance analyses were performed in to your office. The AHERA Final Rule (CFR October 30, 1987) with the methodology of the sites. for clearance of abatement attached results of the sample analyses may be found on the The document. volume are a function of air Results reported as Struct/cc verifiable by this as such, not collected in the field and are, reproduced only in its entirety and laboratory. This report may be permission of this laboratory. not without prior has received full note that our TEM lab We are pleased to currently required for recognized ~c-creditation from NVLAP, as is projects, and also approval TEM air samples for AHERA analysis of ELAP program. These analyses were under the NY State DOH Associates Inc. performed by ATC d/b/a ATC to these any questions relating Please contact me regarding materials.

Very truly yours,

ichael A. Gorycki, Ph.D. Director of Electron Microscopy

NYC-WTC 000107618