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Asbestos fiber analysis report, PS 89M Playground, Feb 2002

Machine-extracted title · confidence 95%

Formal laboratory report detailing transmission electron microscopy results for asbestos fibers found in air samples from a specific school playground.

NYC-WTC_000185629–000185630
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NYC 9/11 Public Portal Document

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

Attn: Mr. Bernard Orlan Received: 2/20/02 5:30:00 PM N.Y.C. Board of Education ATC Group #: 6764 28-11 Queens Plaza North Analysis Date: 2/22/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941 Project: PS 89M 201 Warren Street, New York, NY Playground, Roof All Floors Hallway

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 Volume Analyzed Asb Type(s) O.Sfi-S 5U (S/cc) (S/mm^) (S/cc) Notes

01 1870.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 6764 -I

02 1870.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 6764 -2

03 1870.00 0.0450 0 CHRYSOTILE 0 1 0.0046 22.24 0.0046 6764 -3

04 1870.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 6764 -4

05 1870.00 0.0450 0 None Delected 0 0 0.0046 <22.24 <0.0046 6764 -5

06 1870.00 0.0450 0 None Delected 0 0 0.0046 <22.24 <0.0046 6764 -6

07 1870.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 6764 -7

08 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6764 -8

MARKPEYSAKHOV 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 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 PLMrTEM #101187-0. NY State ELAP #10879

CITY_21MC1OO_OO31O8165

NYC-WTC_000185629

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NYC-WTC_000185629Source: NYC Law Department, mirrored locally

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