NYC-WTC_000200307

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: 6/2/02 6:10:00 PM N.Y.C. Board of Education ATC Group#: 7935 28-11 Queens Plaza North Analysis Date: 6/2/02 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 Nan Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed .4s6 " Type(s) 0.5fi-5 5p (S/cc) ■ (S/mm^) (S/cc) Notes

01 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7935 -I

02 1920.00 0.0450 0 None Detected 0 0 0.0045. <22.24 <0.0045 7935 -2

; 03 1920.00 0.0450 0 NoneDetected 0 .0 0.0045 <22.24 <0.0045 7935 N

04 7 n A : i,92oM 0.0450 /0 None Detected 0 0 - 0.0045 <22.24 <0.0045 7935-4 ■

t/ < 1920.00 0.0450 0 None Detected /o 0 0.0045 <22.24 <0.0045 - 7935 -J )■ :

.■ 06." <:■. 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7935 -6-33^: , N ,

■ ^^3 C 0 0 . ' -0.0045 <22.24 <0.0045 /:'n7935;te7;fe << . w .;c ../ -

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by. Approved by:

Disclaimer: The laboratory is not responsible for data reported in structuresfcc, which is dependent on volume collected by non-laboratory personnel, tfeidb is only responsible . for data reported in structures/mruT 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. Quali^.control data [including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon-request. ' ...

' AccredltedforNVLAPPLMHEMSIOliSZ-O.NYStateELAPWOSyg

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NYC-WTC_000200307