NYC-WTC_000201940

NYC 9/11 Public Portal Document

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

Attn: Mr. Bernard.Drlan Received: 2/25/02 6:00:00 AM N:Y’.C. Board of Education ATC Group #: ■ 6832 2S-11 Queens Plaza North .Analysis Date: 2/26/02 Long Island City, NY 11101

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

Project: PS -SSM 20i Warren Street, New York, NY Playground, Roof Ail Floors Hailway

Asbestos Fiber'Analysis by Transmission Electron Microscopy (TEM.) Performed by EPA 40 GFR Part 763 Final Rule (AHERA) Asbestos A ten Nott Asbestos Siructures SensitivUy Concenti'titioii ■So/n/ile I'oiiiiHe Aiuityzett Asb TypeCs) 0.5,11-5 5/1 fS/ce) (S/cc) /Notes

(11 I 840.00 0-0450 0 None Detected 0 0 0.0047 <22124 ’ <0,0047 6'832-1

02 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 - 6832-2

-03 1840.00- 0.0450 0 None Detected 0 0 0.0047 <22.24 0.0047 □ 832 -3

34 1840.00 0.0450 0 Nene Detected 0 0 0.0047 <22.24 <0.0047 6832 -4

05 1 840.00 0.0450 0 None Detected 0- 0 . -0.0047 <22:24 <0.0047 5832 -5

06 1840.00 0.0450 0 None Detected 0 0 . 0:0047 <22.24 <0.0047 5832 -5

■■■ .37 1840.06 0.0450 0 None Detected 0 I 0 0.0047 22.24 <0.0047 6832 -7 ■

08 1S40-0G ■0.0450 0 None Detected 0 - 0 0.0047 ' <22.24 <0.0047 S832 -S

ROMAN-PEYSAKHOV ' MICHAEL A. GORYCKl, Ph.D.

proved by

Disclaimer: Ths laboratory is not responsible for data reported in sliuclureb/cc, wl.iich is dependent on vo ume collected by non-laooratory personnel. This lab Is only responsible ter data reocrted in structures/mm# This report may not be reproduced, except in full, without vrritten approval by ATC Associates Inc. This report may not be used to claim product endorssrr.enl 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% confdence limits and laboratory and analysis'accuracy and precision) is available upon request. -

Accredited for NVLAP PLM/TEM#101 '874), NY State ELAP #10879

CITY_21MC100_003269796

NYC-WTC_000201940