NYC-WTC_000220889

NYC 9/11 Public Portal Document

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

Attn: Mr, Bernard Orlan Received: 4/20/02 8:0(l;00 PM N.Y.C. Beard of Education ATC Group#: 7483 28-11 Queens Plaza North Analysis Date: 4 20 02 Long Island City, NY 11101

Fa.x: (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 !\'on Asbestos H Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) O.Sfi-S 5ii (S/cc) fS/mnV) (S/cc) S/otes

I) I 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 U.SJ

02 1920 00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 '4g i

0.1 I 920.00 0.0450 0 None Detected 0 0 0.0045 <0.0045 USS -J

(.14 1920,00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 US.i -4

05 1920.00 0,0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 74S}

06 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 ?4S} -.'i

07 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 ^4Si -7

MICHAELA. GORYCKl. Ph.D ROMAN PEYSAKHOV Analyzed bv // l/ ' Approved by:

Disclaimer The laborator/ is not responsible for data reported in structurestcc. which is dependent on volume collected by non-laboraton/ personnel This la^ only -espcrsibie for data repored in struci'jres/mm' This repon may not oe reproduced, except n full, without wntten approval by ATC Associates inc. This report may not be used to claim orodic: endorserrent by N7I>P or any other agency of the U.S Government. This reports relates only to the samples reported above. Quality ccntrol data (including 35 'C .conndence limits and tacoratory ana analysis' accuracy and precision) is available upon request.

Accredited lor NVIAF PIMTEM #101187-0. NY State ELAP #10879

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CITY_21MC:i00_000621957 NYC-WTC_000220889