NYC-WTC_000215572

NYC 9/11 Public Portal Document

Attn: Ml'. Bernard Orlan Received: .2/28/02 9:45:00 PM N .Y.C. Board of Education ATC Group#: 6876 28-11- Queens Plaza North Analysis Date: 3/1/02 Long Island City, NY 11101 Fax: (212) 475-4122 Phone: , (212) 477-8941 Project: NYC BOE H.S. For Leadership & Public Services 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 /frt'fl Non Asbestos # Structures Sensitivity Concentration Sample ^■'o^ttme Analyzeil Asb Type(s) 0.5fl-5 5ft (S/cc) (S/mtn^) (S/cc) Notes

22 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 ■6876 -19

23 1S24.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6876 -20 ■A.

1824.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 ■ 6876 -21.

25 1824.00 ;-0.0450 - 0 NoneDetected 0 0 0.0047 <22.24 <0.0047 S876 -22

26 1832.00 ■ 0.0450 0 NoneDetected 0 0 0.0047 <22.24 <0.0047 6876 -23

77 1832.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 SS76 -.24

ROMAN PEYSAimOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: Approved by:- - .

■■ Disclaimer: The laboratory is not responsible for data reported in structores/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible tor data reported 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 endorsemenl 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 forNVLAP PLIWTEM #1011874), NY State ELAP #10879

CITY_21MC100_002872611

NYC-WTC_000215574