Asbestos fiber analysis report, H.S. for Leadership & Trinity Place,

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received; 6/24/02 9:00:00 PM N.Y.C. Board of Education ATC Group#: 8266 28-11 Queens Plaza North Analysis Date; 6/24/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941 Project: H.S. for Leadership & Public Service 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 Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed A sb Type(s) 0.5,u-5 S/i (S/cc) (S/mm’) (S/cc) Notes

I! 1832.00 0.0450 0 NoneDeteeted 0 0 0.0047 <2224 <0.0047 8266 -8

12 1816.00 0.0450 0 NoneDeteeted 0 0 0.0047 <22.24 < 0.0047 S266 -9

13 1824.00 0.0450 0 None Delected 0 0 0.0047 <22.24 <0.0047 8266 -10

14 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8266 -JI

15 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8266 -12

1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8266 -13

i 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8266 -14

. 18 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 < 0.0047 S266 -1}

'3 1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 8266 -16

MICHAEL A. GORYCK.1, Ph.D. ROMAN PEYSA; Analyzed by: ■pproved by:

disclaimer The latxjratory is not responsible far dala reported in structures/cc, which is dependent on rolume collected by non-laboratory personnel. This Wis only responsible tor data reported in structures/mm'. This report may not be reproduced, except in fait, 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 PLW^EM #101187-0, NY State ELAP #10879

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