NYC-WTC_000198407

NYC 9/11 Public Portal Document

I Attn: Mr. Bernard Orlan Received: 5/28/02 8:00:00 PM N.Y.C. Board of Education ATC Group#: 7890 28-11 Queens Plaza North Analysis Date: 5/28/02 Long Island City, NY 11101

Fax: (212)475-4122 Phone: (212)477-8941

Project: PS 89M 201 Warren Street, New York, NY Playground, Roof All Eloors Hallway

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) O.Sfi-S Sp (S/cc) (S/mm^) (S/cc) Notes

OS 1848.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 -S9() -Y

09 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 ^390 -9

10 1840.00 0 None Detected 0 0.0450 0 0.0047 <22.24 <0.0047 'S90 -/O

1I 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 '890 -1/

12 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7S90 -/2

13 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 2890 -13

14 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 -.390 -14

15 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 -13

10 1805.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 "X9U -16

ROMAN PEY; 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. Tftelab is 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 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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