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345 Chambers Street air test results and chain of custody,

Machine-extracted title · confidence 98%

A comprehensive chain of custody document containing final asbestos and lead air test results for the 345 Chambers Street school cleanup project.

NYC-WTC_000106418–000106762

Folder label: “345 CHAMBERS STREET; 16/1

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NYC 9/11 Public Portal Document

Attn: Received: 8/2 0/02 8:00:00 AM I Taylor Evirontncntal Group ATC Group #: 3722 Analysis Date: 8/2 0/02

I Fax: (516) 358-1780 Phone: Project: NYC SCA Project #: M477-15217-29831 Stuyvesant H. S., 9th Floor

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed I by EPA 40 CFR Part 763 Final Rule (AHERA) Analyrical Asbeaos Area NVon Asbestos 9 Slrucurrec Sensitivity Conce,uration I Sample [-'olurrre Analyzed Asb Type(t) O.Su-5 5u (S/cc) (S/mm') (S/cc) Aores

9-T8 1314.00 0.0674 0 None Detected 0 0 0.0043 <14.83 H7:2 -8 <0.0043 I

77 9-T9 1323.00 0.0674 0 None Deieaed 0 0 0.0043 < 14.83 <0.0043

1k 9-T L O 1286?5 0.0674 0 None Defected 0 0 0.0034 < 14.83 <0.0044 _ 872: -/a

1

I

ROMAN PRYS Kt• MICHAEL A. CORYCK!. Ph.O. Analyzed by Approved by

OLsdaimar The laboratory is not responsible for data reported in strucruie to , which is dependent on volume collected by non-laboratory personnel. for data reponed In structureesrmm°. This report may not be reproduced, except In full, without written approval by ATO Associates This lab Is only responsloic U 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 o~nsol I data (including 95°,b confidence limits and laboratory and analysis' accuracy and precision) is available upon request

U Accredited for NVLAP PLM/TEM #101187.0, NY State ELAP #10879

Pnge 2 of2 I

1 NYC-WTC 000106428

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NYC-WTC_000106428Source: NYC Law Department, mirrored locally

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