NYC-WTC_000193544

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 4/3/02 5:30:00 PM N.Y.C. Board of Education ATCGroup#: 7316 28-11 Queens Plaza North Analysis Date: 4/3/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941 Project: New Stuyvesant H. S., 345 Chambers St., NY , NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos /Irea Non Asbestos a Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 9.S/t-5 Sp (S/cc) (S/mm^) (S/cc) Notes

8 1952.00 0.0450 0 None Detected 0 0 0.0044 < 22.24 <0.0044 7316 -8

9 1952.00 0.0450 0 None Detected 0 0 0.0044 <22.24 < 0.0044 7316 -9

10 1960.00 0.0450 0 None Delected 0 0 0.0044 <22.24 < 0.0044 7316 -10

II 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7316 -11

12 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7316 -12

13 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7316 -13

14 1944.00 0.0450 0 None Detected 0 0 0.0044 < 22.24 <0.0044 7316 -14

15 1960.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7316 -15

16 1952.00 0.0450 . 0. None Detected 0 0 0.0044 . <22.24 <0.0044 7316 -16

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by:

Disclaimer The laBoratory is not responsible for data reported in structuies/cc, which is dependent on volume collect^ by non-laboratory personnel. This lab is only responsible for data reported in siructures/mmT This report may not be reproduced, except in full, without written 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 above. Quality control data (inciuding 95% : confidence limits and laboratory and analysis'accuracy and precision) is available upon request

Accredited for NVLAP PLM/TEM #101187-0, NY State ELAP #10879

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