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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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Scanned page image, NYC-WTC_000106474
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NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC I 104 E 25th Street, 10th Floor New York, NY 10010 TeL 212-353-8280 I Fax 212-353-8306

I 22

23 20744

20744 Rrn 1039A Shelf

Rtn 1039 Floor W1 1-I <9.0

<9.0 9.0

9.0

u 24

FB-3 20744

20744 Rnn 1039 Table

Field Blank <9.0

<9.0 µg 9.0

9.0 pg

I FB-4 20744 Field Blank <9.0 µg 9.0 µg

NOTE 1: THE REFORTLNG LIMIT (RL) IS 18.0 l eg I NOTE 2: Window sills 250 Ng/ft, IiUD Guidelines for final clearance dust wipe aamPles: door 40 µg/lt2, Window wells 400 µg/It'. Exterior surfaces 800 µg/ft2. NOTE 3: I Blank writs arc in µg

CERTIFICATION AND SIGNATURES I

ANALYSIS PERFORMED BY:

REPORT PREPARED BY:

I ATC certifies that this report is an accurate and authentic report of results obtained from the laboratory analysis.

Li QUALITY ASSURANCE COORDINATOR: ~Z ~

I LABORATORY DIRECTOR ~~

Environmental Laboratory Approval Program (ELAP) and by the American ATC is accredited by the New York State Dcparmient of Health (AIHA #100229). Industrial Hygiene Assoeiadon (AIFIA) to perform analysis of kad in paint, dust wipes. air and soil samples. (ELAP #10879),

I I I I I I NYC-WTC 000106474

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NYC-WTC_000106474Source: NYC Law Department, mirrored locally

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