NYC-WTC_000194112

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 4/30/02 8:00:00 PM N.Y.C. Board of Education ATC Group#: 7588 28-11 Queens Plaza North Analysis Date: 4/30/02 Long Island City, NY 11101 Fax: (212) 475-4122 Phone: (212)477-8941

Project: New Stuyvesant H. S., 345 Chambers St., NY , 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 f^olume Analyzed Asb Type(s) 0.5ft-5 5fi (S/cc) (S/mm^) (S/cc) Notes

8 1836.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7588 -8

9 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7588 -9

10 1952.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7588 -10

11 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7588 -II

12 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7588 -12

13 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7588 -13

14 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 75g8 -14

15 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7588 -15

16 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7588 -16

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Approved by:

Oisclaimer: The laboratory is not responsible for data reported in structures/cc. which is dependent on volume colllecffid by non-laboratory personnel. This afiis 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 PLliVTEM #101187-0. NY Stale ELAP #10879

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