ATC Associates asbestos fiber analysis report, Mar 27 2002

NYC 9/11 Public Portal Document

Attn; Mr. Bernard Orlan Received: 3/27/02 9;00;00 PM N.Y.C. Board of Education ATC Group #: 7235 28-11 Queens Plaza North Analysis Date: 3/27/02 Long Island City, NY 11101 Fax: (212) 475-4122 Phone: (212) 477-8941 Project: NYC BOE H.S. For Leadership & Public Services 90 Trinity Place, New York, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area iVon Asbestos ft Structures Sensitivity Concentration Saiitple i^oluine Analyzed Asb Type(s) 0.5f,-5 5,11 (S/cc) (S/mmf (S/cc) Notes

20 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7235

21 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7235 -18

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D

Analyzed /I Apw-oved bx'

Disclaimer. The laboratory is not responsible for data reported in structuresicc. which is dependent on volume collecteiJ by non-laboratory personnel. This lab is only responsible for data reported in structures/mm^. This report may not be reproduced, except in full, without wntten 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 forNVLAP PLM/TEM #101187-0, NY State ELAP #10879

Paye 5 of 5

CITY_21MC100_003102851

NYC-WTC_000183599