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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_000106673
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NYC 9/11 Public Portal Document

ATC ASSOCIATES,INC I 104 E 25th Street, loth Floor New York,NY 10010 Tel. 212-353-8230 Fax 212-353-8306

REPORT DATE: 07-22-02

C LIENT: Taylor Environmental Group, inc.

PROJECT NAME: SCA/Stuyvesant HS 345 Chambers Street, NY 7th Floor

PROJECT NUMBER: NI477-1.5217/29881

SAMPLED BY: Client

I SAMPLE DATE DATE RECEIVED: 07-21-02 07-21-02 DATE ANALYZED: 07-22-02

SAMPLE MEDIA: Dust Wipe Sample ANALYSIS REQUIRED: Method EPA 3050/7420

I ANALYSIS RF.SYILTS

LEAD DETECTION SAMPLE BATCH SAMPLE DESCRIPTION CONCENTRATION LIMIT ID NO. (ug/ft')

<9.0 2 W-0] 20526 Room #702 North Side Univent Back Wall 9.0 <9.0 9.0 Room #704 North Side Univent Back Wall I 2W-02

2 W-03 20526 20526 Room #715 South Side Right Univent Back Wall <9.0 9.0 13.2 9.0 2 W-04 20526 Room #715 South Side Left Univent Back Wall <9.0 ,. 9.0 Room #717 South Side Left Univent Back Wall n

2 \V-05 20526 <9.0 9.0 Room #717 South Side Right Univent Back Wall I 2 W-06 2 W-07 20526 20526 Room #727 South Side Right Univent Back Wall <9.0 9.0

<9.0 9.0 Room #727 South Side Left Univent Back Wall I 2 W-08 2 W-09 20526 20526 Field Blank <9.0 µg 9.0 µg

<9.0 µ6 9.0 µb I 2 W-l0 20526 Field Blank

NOTE 1 I THE REPORTING LIMIT (UL) IS 18.0 ug NOTE 2: HUD Guidelines for final cicannec dust Wipe - amplcs: Floor 40 Fa CL. Window sills 250 µo/ft'. Window wells 400 Exterior surfaces 800 µg/tt .

I µg µaffe,

NOTE 5. Blank units are in

I II NYC-WTC 000106673

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NYC-WTC_000106673Source: NYC Law Department, mirrored locally

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