NYC-WTC_000200127

NYC 9/11 Public Portal Document

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

REPORT DATE: 08-23-02

n CLIENT: Taylor Environmental Group, Inc.

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

PROJECT NUMBER: M477-15217-29881

SAMPLED BY: Client

SAMPLE DATE: 08-22-02 DATE RECEIVED: 08-22-02 DATE ANALYZED: 08-23-02

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

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (ug/fl?) (ng/ft")

LW-01 21413 Rm 25 IC Top of Regrigerator <9.0 9.0

LW-02 21413 Rm 25 IC Floor Middle of Rm <9.0 9.0

LW-03 21413 Field Blank <9.0 pg 9.0 pg

LW-04 21413 Field Blank <9.0 pg 9.0 pg

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

CERTIFICATION AND SIGNATURES

ANALYSIS PERFORMED BY: uJ REPORT PREPARED BY:

ATC certifies that this report is an accurate and authentic report of results obtained from the laboratory analysis. lJ QUALITY ASSURANCE COORDINATOR:

LABORATORY DIRECTOR: I i

ATC is accredited by the New York Stale Department of Health Environmental Laboratory Approval Program (ELAP) and by the American Industrial Hygiene Association (AIHA) to perform analysis of lead in paint, dust wipes, air and soil samples. (ELAP #10879), (AHA # 100229).

CITY_21MC100_003266547

NYC-WTC_000200127