ATC Asbestos fiber analysis report, NYC BOE, June 2002

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 6/14/02 8:30:00 PM N.Y.C. Board of Education ATC Group#: 8109 28-11 Queens Plaza North Analysis Date: 6/15/02 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 H Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5/1-5 5/t (S/cc) (S/mm^) (S/cc) Notes

8 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 8109 -S

9 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 8109 -9

10 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 8109 -10

11 1920.00 0.0450 0 None Delected 0 0 0.0045 <22.24 <0.0045 SI09 -II

12 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 < 0.0045 8109 -12

13 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 8109 -13

14 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 8109 -14

15 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 8109 -IS

16 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 SI09 -16

MARK PEYSAKHOV MICHAEL A GORYCKI, Ph.D.

Analyzed by: Approved by:

Disclaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume colmed by non-laboratory personnel. This laWonly responsible lor data repotted in structures/mmL 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 lor NVLAP PLMTEM #101187-0, NY State ELAP #10879

Page 2 of 3

CITY_21MC100_003105648

NYC-WTC_000184826