NYC-WTC_000193448

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 6/26/02 9:10:00 PM N.Y.C. Board of Education ATC Group#: 8296 28-11 Queens Plaza North Analysis Date: 6/27/02 Long Island City, NY 11101 Fax: (212) 475-4122 Phone; (212) 477-8941

Project: H.S. for Leadership & Public Service 90 Trinity Place, New York, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample l^alunie Analyzed Asb Type(s) O.Sp-S Sf, (S/cc) (S/ntm^) (S/cc) Notes

II 1 80S.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8296 -8

12 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8296 -9

13 180S.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8296 -10

14 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8296 -II

15 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8296 -12

16 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8296 -13

17 1824.00 0.045C 0 None Detected 0 0 0.0047 <22.24 <0.0047 8296 -14

18 1808.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8296 -15

19 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 5296 -16

P.OMAN PEYSAKHOV MICHAEL A. GORYCKl, Ph.D.

Analyzed by iproved by:

Disclaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab-tS only responsible fo' data reported in structures/mmf This report may not be reproduced, except in full, without wntten approval by ATC Associates Inc. This report may not be used to claim product endorsement by NVLAP or any other agency of the U.S. Government. This reports relates only to the samples reported aoove. Quality control data (including 95% Ct nfidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLM,7EM #1C 1187-0, NY State ElAP #10879

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NYC-WTC_000193449