NYC-WTC_000201438

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 4/15/02 8:0'0:00 PM N.Y.C. Board of Education ATC Group #: 7406 28-11 Queens Plaza North Analysis Date: 4/15/02 Long Island City, NY 11101 Fax: (212) 475-4122 Phone: (212)477-8941

Project: PS 89M 201 Warren Street, New York, NY Playground, Roof AU Floors Hall'way

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 Colume Analyzed Asb Type(s) O.Sfi-5 5fl (S/cc) iS/mmy (S/cc) Notes

08 IS40.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7406 -8

09 9 1840.00 0.0450 0 None Detected O' O' 0.0047 <22.24 <0.0047 7406 -9

*0 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 . <0.0047 7406-10

11 . 1840.00 0.0450 - 0 None Detected' 0 0 0.0047 <22.24 <0.0047 7406 -11

12 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7406 -12

’3 ' 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7406 -13 /

.14 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7406 -14

•15 r 1S05.00 0..0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7406 -15

Y ’6 1805.00 . 0.0450 0 ; None Detected 0 0 0.0047 <22.24 <0.0047 7406 -16

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Approved by:

Disclaimer. The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. only responsible for data reported in structures/mm7 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 otheragency of the U.S; Government. This reports relates only to the samples reported above. Quality control data (including 95%' confidence iimits 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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