NYC-WTC_000219456

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 23/02 6:00:00 PM N.Y.C. Board of Education 28-11 Queens Plaza North ATC Group#: 6555 Lxing Island City, NY 11101 Analysis Date: 2/4/02 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 Non 'isbestos Structures Sensitivity Concentration Sample Volume Analyzed Asb 0.S/I-S S/i (S/cc) (S/mm’) (S/cc) ,’Votes 9 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6555 -9

10 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6555 -10

II 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6555 -11

12 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6555 -12

13 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6555 -13

14 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6555 -14

15 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6555 -15

16 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6555 -16

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph D

Analyzed by: A proved by,;.

Disclaimer: The laboratory is not responsible tor data reported in structures/a, which is dependent on volume collected 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 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. Quality control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) Is available upon request

Accredited for NVLAP P-UTEM #101187-0, NY State ELAP #10879

CITY_21MC100_002880682

NYC-WTC_000219457