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NYC-WTC_000220399

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NYC 9/11 Public Portal Document

AMBIEN' OUP, INC. 10 M0k.«o AVENUE GLEN COVE, NY 11 542

DUST CHARACTERIZATION LABORATORY DATA REPORT

PROJECT ID; 211352 DATE COLLECTED: 9/16/01 CLIENT: JP MORGAN/CHASE DATE RECEIVED: 9/16/01 LOCATION: 15 BROAD STREET DATE ANALYZED: 9/16/01 TECHNICIAN: JACK SPRINGSTON

FIELD ID SAMPLE PERCENT OF LABORATORY ID DESCRIPTION CONSTITUENTS SAMPLE ** 211352-01T 24TH FLOOR: MIDDLE WEST SIDE, DUST ON WINDOW CELLULOSE 20.0% OBI 786 SILL FIBER GLASS 30.0% GRAVEL ROAD DUST 20.0% CARBON PARTICLES 20.0% DECAYED ORGANIC MATTER 10.0% TOTAL 100.0%

211352-02T 1 2TH FLOOR: MIDDLE WEST SIDE, DUST ON WINDOW CELLULOSE 30.0% DB1787 SILL FIBER GLASS 20.0% CEMENT DUST 10.0% GRAVEL ROAD DUST 20.0% CARBON PARTICLES 20.0% TOTAL 100.0%

211352-03T 2ND FLOOR: DUST BY WINDOW LATCH IN ROOM 213 FIBER GLASS 40.0% DB1788 CARBON PARTICLES 40.0% DECAYED ORGANIC MATTER 10.0% POLLEN 10.0% TOTAL 100.0%

Signed for Ambient Group Inc. by,

O TAREK FATA

NO » None Detected. NA » Not Analyzed. There are two (2) types of dust sample submitted for analysis: Settled » Samples submitted on tape/bulk. Airborne » Samples submitted K I in Air-O-Cell Cassettes. Ail results disclosed in this report relate only to the items tested. No reproduction of all or any portion of this report shall occur without written approval to of Ambient Group Inc. Unless otherwise directed by the Client, Ambient Group Inc; will retain the samples listed in this report for five |5) days, after which time they may be disposed of in accordance with applicable regulations. o o o I o to co co co co co cn

NYC-WTC_000220399

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NYC-WTC_000220399Source: NYC Law Department, mirrored locally

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