NYC-WTC_000201510

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 4/19/02 8:00:00 PM N.Y.C. Board of Education ATC Group #: 7466 28-11 Queens Plaza North Analysis Date: 4/20/02 Long Island City, NY 11101 .Fax: (212)475-4122 Phone: (212)477-8941 Project: PS 89M 201 Warren Street, 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^olume Analyzed Asb Type(s) 0.5fl-5 5fl (S/cc) (S/inntH) (S/cc) Notes

08 i 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7466 -8

09 1840.00 0.0450 0 None Detected ■- 0 0 0.0047 <22.24 <0.0047 7466-9

1840.00 - 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 74 66 -10

II — . 1840.00 0.0450 0 None Detected 0 ' 0 0.0047 <22.24 <0.0047 7466 -II

1805.00 0.0450 O’ NoneDeiected ' 0 0 ; 0.0047 <22.24 <0.0047 7 7466 -12

■ 1805.00 -0.0450 0 ■ None Detected 0 0 0.0047 <22.24 <0.0047 74 66 -13 -u

14; 1805.00 0.0450 0 None Detected "0 0 0.0047 <22.24 <0.0047 7466 -!4

1.5 - : 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7^66'

' .16 ■ 0 None Detected 0 1805.00 0.0450 0 0.0047 <22.24 <0.0047 7 7466,-!6

• MARK PEYSAKBOV MICHAEL A. GORYCKI, Ph.D.

Analyzed 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/mmT This report may not be reproduced, except in full, without written approval by ATC Associates In& 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 {Including 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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NYC-WTC_000201511