NYC-WTC_000229930

NYC 9/11 Public Portal Document

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

Attn: ,Mr Bernard Orlan Received: 2/16/02 5:00:00 AM N.Y.C. Board of Education 28-11 Queens Plaza Nonh ATC Group#: 6699

Long Island City, NY 11101 Analysis Date: 2/16/02 Fax: 1212)475-4122 Phone: 1212) 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 eisbestos Structures Sensitivity Concentration Sample Volume Analyzed Asb Typefs) O.Sft-S 5/it (S/cc) (S/mm-') (S/cc) Notes 31 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6699 -I

32 1920.00 0.0450 0 None Delected 0 0 0.0045 <22.24 <0.0045 .5699 -2

3,3 1920.00 0.0450 0 None Delected 0 0 0.0045 <22.24 <0.0045 6699 -3

)4 1920 00 0 0450 0 None Delected 0 0 0.0045 <22.24 <0.0045 5699 -4

:35 1920.00 0 0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6699 -5

')6 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0 0045 6699 -6

37 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 6699 -7

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed 1 Approved by:

Disclaimer The laboratory is net responsible for data repored in stroctures/cc. which is dependent on volume collected by non-laboratory peisonnei. This lab is only responsible for data leportec in structures/mm5 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 above. Quality control data imclucmg 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

.Accredited for NVLAP PLIWTEM 4101187-0, NY State ELAP 410879

CONFIDENTIAL, CITY_21MC100_003386265 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000229930