9-15 [name] building cleaning and assessment, Feb 2002

NYC 9/11 Public Portal Document

.APPROVED NY STATE DOH SLAP # 10879 ATC ENVIRONMENTAL, INC. ACCIZEDTTED NVLAP ib Code 1 1187 104 East 25th Street New York, NY 10010

Summary of TEM Results DATE: 09/28/01 ATC Associates Ine. 104 East 25th Street New Yok, NY 10010 Mr, bavld Chang

Project/Site identification: 9 Murxay Street, NY NY 3rd Floor. CONCLUS ION ---- --------------------- STA.T'ISTICAL SUM1'JAR.X

Asbcaton Concentration la Innide samples Proieat 91 Volumr{11 S/ "2 S/ac nom/m"3 TEM 5577- 59711 3-02 1300 0.0 0.0044 4 5577- 59712 3-03 1300 0.0 0.0044 * 5577- 59713 3-04 1300 0.0 0,0044 *

5577. 59114 3-05 1300 0.0 0.0044 5577- 59715 3-06 1300 0.0 0.0044 Av e* 0.0 0,.0044 0 2) Outside Samolr.'I Asbestos Concentration TEM Proiect # Volumr. 1 3 mm"2 0/cc n m"3 Average- N/A Asbestos Concentration 3) p,18nk5 TEM# Protect # $/mm^2 5/ec nom/m^3 5577- 59710 3-01 - - - - - - - - - Not Analyzed - - - - - - - - - Avoragc- N A NL X/A

41 Value of T - Stati,atic. a N/A

* None detocttd; eoncentration ecxuivolent to analytical aonsitivity assigned. ------------------------------------~--^------------------------------------------------------------------------------------- This test report relates only to the specific items cited in the analye - The emalysis was carried out according to the appr vsd TEM method, The laboratory is in compliance with the quality specified for the method.

arty agency of the U.S. Government. This report must not be used by the olient to claim product endorsement by NVLAP or

Analyzed by: ichael A. Gorycki, Ph.D. Roman Peysakhov Director of Electron Microscopy

NYC-WTC 000097473