NYC-WTC_000223656

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone: (212) 353-8280 Fax; (212) 353-8306

Attn; Mr. Bernard Orlan JR.eceived: 4 5/02 4:00:00 PM N.Y.C. Board of Education ATC Group#: 7332 28-11 Queens Plaza North Analysis Date: 4 5/02 Long Island City, NY 11101

Fa.x: (212) 475-4122 Phone; (212)477-8941

Project: NYC-BOE PS 150M Project#: 14584-0824 334 Greenwich St., New York, NY. 10013

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 t-'oluine Analyzed zfsA Type(s) l).S/i-S S/i (S/cc) (S/mm^) (S/cc) Notes

01 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 ’332 -/

02 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7332 -2

1)3 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 ’332 -3

04 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 ’332 -4

05 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 3332 -5

06 1928.00 0 0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 ’332 -b

07 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 ’332

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: J Approved by

C isclainer: The laboratory is not responsilile for data reported in structures/cc, which is dependent on volume collKted by non-iaboratory personnel. This lab is only respons.ble ter data reported in structures/mm' Tais report may not be reproduced, except in full, without written approval by ATC Associates nc This report may not be used to darn product endorsement by NVLAP oi any ott er agency of the U S. Government. This reports relates only to the samples reported above. Quality control data (mcfuding 95' i confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited tor NVLAP PLM/TEM 4101187 0, NY State ELAP 410879

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