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NYC-WTC_000194834

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NYC 9/11 Public Portal Document

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

REPORT DATE: 06-24-02

CLIENT: NYC BOE

PROJECT ADDRESS: P. S. 150M/334 Greenwich St. New York, NY 10013

PROJECT NO: 41617-0556

SAMPLED BY: Y. Efstathiou

SAMPLE DATE: 06-24-02 DATE RECEIVED: 06-24-02 DATE ANALYZED: 06-24-02

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

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (Mg/ft’) (pg/tf)

01 9862 1st Floor Lobby Floor <9.0 9.0 02 9862 Multipurpose Room Floor <9.0 9.0 03 9862 Classroom #403 Floor <9.0 9.0 04 9862 Classroom #503 Window Sill <6.0 6.0 05 9862 Blank <9.0 pg 9.0 pg

NOTE 1: THE REPORTING LIMIT (RL) IS 18.0 gg NOTE 2: HUD Guidelines for final clearance dust wipe samples: Floor 40 pg/ft/ Window sills 250 pgTtp Window wells 400 pg/ft/ Exterior surfaces 800 pg/fE. NOTE 3: Blank units are in pg

CITY_21MC100_004152055

NYC-WTC_000194834

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NYC-WTC_000194834Source: NYC Law Department, mirrored locally

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