NYC-WTC_000126623
AMBIENT GROUP, INC.
10 MORRIS AVENUE
GLEN COVE, NY 11542
DUST CHARACTERIZATION LABORATORY DATA REPORT
PROJECT ID: 211334 DATE COLLECTED: 9/21/01
CLIENT: ZAR REALTY DATE RECEIVED: 9/21/01
LOCATION: 100 CHURCH STREET DATE ANALYZED: 9/22/01
CHNICIAN: BRYAN BROWN
SAMPLE PERCENT OF
TORY (D DESCRIPTION CONSTITUENTS SAMPLE **
ROOM 3-245 INDUCTION UNIT COVER CELLULOSE 35.0%
FIBER GLASS 20.0%
GRAVEL ROAD DUST 15.0%
CARBON PATICLES 10.0%
DECAYED ORGANIC MATTER 20.0%
TOTAL 100.0%
ROOM 3-306 CONF. TABLE CELLULOSE 5.0%
FIBER GLASS 30.0%
GRAVEL ROAD DUST 20.0%
CARBON PARTICLES 20.0%
DECAYED ORGAINC MATTER 25.0%
TOTAL 100.0%
Signed for Ambient Group Inc. by,
nie al / er on
TAREK FATA
ND = None Detected, NA = Not Analyzed, There ara two (2) types of dust sample submitted for anatysis: Settied = Samples on foutk, Airbomne = Samples
in Air-O-Colt Cassettes. All resuits 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
‘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, alter which time they may be disposed
ofin i
NYC 9/11 Public Portal Document
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NYC-WTC_000126623Source: NYC Law Department, mirrored locally
Laboratory report characterizing settled dust composition at 75 Park Place collected on November 8, 2001, identifying constituents like cellulose and cement dust.