TEM air analysis report, 125 Liberty Street, Oct 2002

NYC 9/11 Public Portal Document

104 East 25th St., 10th New York, New York 100 www.atc-enviro.cc v 212.353.82 Fax 212.353.83

October 5, 2002

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

Attn: Mr. Ben Sallemi Analysis Re Report of TEM

Dear Mr. Sallemi: microscopy (TEM) results of tra Following are the Group No 1 ctr n oursissio analysis of air samples from

Client: D.E.P. 125 Cedar St., NY, NY Project Name: D.E.P. Clean-up, Building Location: Around 10/04/02 Samples received: the confirm and doccum dinastrictmitted mance These results will were performed t 30, 1987) to your office. The analyses AHERA Final Rule (CFR October of the with the methodologyabatement sites. for clearance of on the attached sample analyses may be found the The results of document. volumead function unc tion of air Struct/cc not verifiable by thi s Results reported as are, ares such collected in the field an laboratory. This report may be reproduced only in its entirety laboratory. prior permission of this not without erecognifull that our TEM lab note for We are pleased to currently regu ias accreditation from NVLAP, as is ects , and also approval proj These analyses were analysis of TEM air samples for rAHn~m g a under the NY State DOH ELAP p ATC Associates Inc. performed by ATC d/b/a to these Please contact me regarding any questions relating materials.

very truly yours,

C Ph.D. hael A. Gorycki, Microscopy Director of Electron

NYC-WTC 000107938