NYC-WTC_000126683
AMBIENT GROUP, INC.
10 MORRIS AVENUE
GLEN COVE, NY 11542
DUST CHARACTERIZATION LABORATORY DATA REPORT
PROJECT ID: 211334 DATE COLLECTED: 9/22/01
CLIENT: ZAR REALTY DATE RECEIVED: 9/22/01
LOCATION: 100 CHURCH STREET DATE ANALYZED: 9/24/01
CHNICIAN: JOSEPH CIANCI
SAMPLE PERCENT OF
TORY ID DESCRIPTION CONSTITUENTS SAMPLE **
9TH FLOOR: SETTLED OUST CELLULOSE 10.0%
FIBER GLASS 30.0%
CEMENT DUST 20.0%
GRAVEL ROAD DUST 20.0%
CARBON PARTICLES 10.0%
DECAYED ORGANIC MATTER 10.0%
NYC 9/11 Public Portal Document
TOTAL 100.0%
9TH FLOOR: SETTLED DUST CELLULOSE 10.0%
FIBER GLASS 10.0%
GRAVEL ROAD DUST 25.0%
CARBON PARTICLES 30.0%
DECAYED ORGANIC MATTER 26.0%
TOTAL 100.0%
Signed for Ambient Group Inc. by,
e ee eo PO, ae
TAREK FATA
NO = None Detected, NA = Not Anslyzed, There are two (2) types of dust semple submitted for analysis: Settled = Samples submitted on tape/bulk, Airborne = Samples submitted
in Alv-O-Colt Cassettes. Al results disclosed In this report relate onty to the Items tested. No reproduction of aff or any portion of this report shal occur without written approval
of Ambient Group Inc. Unless otherwise directed by the Client, Ambient Group inc. will retain the samples fisted in this report for five (5) days, after which time they may be disposed
of in Natio
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000126683Source: 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.
Laboratory report characterizing settled dust composition at 75 Park Place collected on November 8, 2001, identifying constituents like cellulose and cement dust.