NYC-WTC_000215639

NYC 9/11 Public Portal Document

ATC Associates r 104 East 25 Street, New York, NY 10010 Phone; (212) 353-8280 Fax: (212)353-8306 ’

Attn: Mr. Bernard Orlan Received: 5/29/02 8:30:00 PM N.Y.C. Board of Education ATCGroup#: 7899 28-11 Queens Plaza North Analysis Date: 5/29/02 Long Island City, NY 11101 Fax: (212) 475-4122 Phone: (212)477-8941

Project: NYC-BOE PS 150M Project#: 14584-0824 334 Greenwich St., New York, NY. 10013

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 Volume Analyzed Asb Type(s) tf.SpiS S/i (S/cc) (S/mm’J (S/cc) Notes

01 1920.00 0.0450 0 None Detected ■ 0 0. 0.0045 <22.24 <0.0045 7S99 -I

02 1920.00 0.0450 0 None Detected ■0 0 0.0045 <22.24 <0.0045 7899 -2

03 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7899 -3

04 1920.00 0.0450 0 None Delected 0 0 0.0045 <22.24 <0.0045 ■’899 -4

05 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7S99 -J

06 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7899 -6

07 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7599 -7

ROMAN PEYSA^OV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: 1/ .pproved 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 is only responsible for data reported in structures/mm' 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 lo the samples reported above. Quality control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLIWTEM #101187-0, NY State ELAP #10879

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