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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

ATC Associates 104 East 25 Street, New York, W1 I Phone.,(2I2)353-8280 10010 Fax:(2I2) 353-8306 I'Fc Attn: Received: 8/20/02 8:00:00 AM Taylor Evironmental Group ATC Group #: 8722 Analysis Date: 8/20/02

Fax: ($16135P-1780 Phone: Project: NYC SCA Project : M477-15217-29881 Stuyvcsant H. S., 9th Floor

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed I by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos

I Sample Vntume Area Analyzed Non Asb Asbestos Type(s) *Structures Q.Sp-S Sp Sansitiviry (S/cc) Concentration (S/mm) (S/cc) Notes

I -T1 5722 -) 9 1305.00 0.0674 0 None Detected 0 0 0,0044 <14.83 <0.0044

11-72 ! 305.00 0.0674 0 None Detected 0 0 00044 <14.33 <0.0044

1 rl -T 3 1314.00 0.0674 0 None Detected 0 0 0.0043 <34 33 <0.0043

I 1 350.50 0.0674 0 None Detected 0 0 0.0042 <14.33 <0.0042 c'i2 - ' 0-T5 1314.00 0.0674 0 None Detected 0 D 0.0043 <34.83 <0.0043 972: -5

a-T6 1314.00 0.0674 0 None Detected 0 0 0.0043 < 14.83 < 0. 0043 8722 -6

1314.00 0.0674 0 None Detected 0 0 Q.0043 < 14.83 <0.0043 9-T7

' 5721 -,

MICHAEL A. GORYCICI, Ph.D ROMAN PEYSA - DV Approved by, Analyicd by

volume collected by non•laboratory personnel. This lab is oniy responsible D aimer. The tabaratory is not responsible for data reported in struaures/r_. which i is dependent on reproduced, except In full, without written approval by ATC Assodates Inc. This report may not be used to Claim for date reported in strut uree/mrn . The report may not be This reports relates only to the samples reported above. Duality control data (Including 45°0 product endorsement by NVLAP or any other agency of the U.S. Government. confidence limits and laboratory and analysis' acnrracy and precision) is available upon requesL I Accredited for NVLAP PLM/TEM #1011&7-0. NY State ELAP #10379

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NYC-WTC 000106427

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NYC-WTC_000106427Source: NYC Law Department, mirrored locally

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