NYC-WTC_000200895

NYC 9/11 Public Portal Document

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

Attn: Mr. Bernard Orlan Received: 5/13/02 8:00:00 PM - N.y.C. Board of Education ATC Group#: 7731 28-11 Queens Plaza North Analysis Date: 5/13/02 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 Floors Hallway

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos H Structures Sensitivity Concentration Sample k'oliime Analyzed Asb Type(s) O.Sft-S 5fl (S/cc) (S/inin^) (S/cc) Notes 7 7

/O! 1848.00 0.0450 0 NoneDetected 0 0 0.0046 <22.24 <0.0046 7731. - I

02 ' ■ 1840.00 0.0450 0 .NoneDetected 0 0 0.0047 <22.24 <0.0047 773! -3. / ; / .:

03 .1840.00 0.0450 / . 0 None Detected .0 0 0.0047 <22.24 <0.0047 773i -3

Of '' 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7731 -2f-

05 / / 1840.00 0.0450 0 NoneDetected 0 0 0.0047 <22.24 . <0.0047 773! -5

" 06. /'/, ■: 1840.00 0.0450 0 . NoneDetected 0 0 0.0047 <22.24 <0.0047 . A731 -6

7 NoneDetected ' 0 0 ' 0.0047 <22.24 <0.0047 .7731^-7^7 y : 7777 ■

ROMAN PEYSAKHOy MICHAEL A. GORYCKI, Ph.D.

. Analyzed by: Approved by:

■/Disclaimer: The laboratori’ is not responsible for data reported in structurss/cc, which is dependent on volume collected by non-aboretoy personnel. This labSoniy responsible ' / for data reported in structures/mm’. This report may not be reproduced, except in foil, without written approval by ATC Associates Inc. This report may not be used to claim i product anoorsement by NVLAP or any othgr agency of the U.S. Government This reports relates only to the samples reported above. Quality control data (including 95% ' i confidence limitsand laboratory and analysis'accuracy and precision) is available upon request . .

Accreditee for NVLAP RLM/TEM #1Q1187-0, NY State ELAP #10879

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NYC-WTC_000200895