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Lead dust wipe analysis, M833 site, June 2002

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Laboratory results for lead concentration in dust wipe samples collected on June 1, 2002.

NYC-WTC_000180143–000180144
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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 NOTE I: THE REPORTING LIMIT (RL) IS 18.0 pg NOTE 2; HUD Guidelines for final clearance dust wipe samples: Floor 40 gg/ft\ Window sills 250 pg/ft/ Window wells 400 pg/ft^ Exterior surfaces 800 pg/ft3 NOTE 3: Blank units are in pg

CERTIFICATION AND SIGNATURES

ANALYSIS PERFORMED BY:

REPORT PREPARED BY:

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

QUALITY ASSURANCE COORDINATOR:

LABORATORY DIRECTOR: /(M

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

CONFIDENTIAL, CITY_21MC100_003463408 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000180144

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NYC-WTC_000180144Source: NYC Law Department, mirrored locally

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