NYC-WTC_000208244

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 9/10/02 8:00:00 AM N.Y.C. Board of Educaticn ATC Group#: 8828 28-11 Queens Plaza Nortl: Analysis Date: 9/10/02 Lone Island City, NT' 11101 Fa.x: (212) 475-4122 Phone: (212) 477-8941

Project; \YC-BOE Murray Bciguaum HS

41 1 Pearl Street, Yew York, NY.

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed f y EPA 40 CFR Part 763 Final Rule (AIIFRA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5ii-5 5u fS/mm^) (S/cc) Notes

1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 SS28 -i7

18 1928.00 0-0450 0 None Delected 0 0 0.0044 <0.0044 A.328 -/S

19 I 920.00 0.0450 0 None Detected 0 0 0.0045 <0.0045 -/y

2!) . 1920.00 0 0450 0 None Detected 0 0 O.0045 <0.0045 8828 -2IJ

2-1 1928.00 0 0450 0 None Detected 0 0 0.0044 <0.0044 8528 -21

1912.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 882S -22

1912.00 0 0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 S82S -23

MICHAEL A. GORYCKI, Ph.D MARK PEYSAKHOV 5 Analyzed by: /Approved by;

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-iaboratory personnel. This lab is only responsibe for data reported in structures/mmT 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 acancy 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 PLMCEM #101187-0, N' State ELAP #10879

Piifc 3 Ilf .1

CITY_21MC100_003021230

NYC-WTC_000208246