NYC-WTC_000126751
AMBIENT GROUP, ING.
10 MORRIS AVENUE
GLEN COVE, NY 11542
DUST CHARACTERIZATION LABORATORY DATA REPORT
PROJECT ID: 211334
CLIENT: ZAR REALTY
LOCATION: 100 CHURCH STREET
TECHNICIAN: BRYAN BROWN
FIELD ID
LABORATORY ID
21-MER-W-03
DB2066
DESCRIPTION
WEST MER, FAN 8
21-MER-W-04
DB2067
WEST MER, FAN 8 OA PLENUM
DATE COLLECTED: 9/21/01
DATE RECEIVED: 9/21/01
DATE ANALYZED: 9/22/01
SAMPLE
CONSTITUENTS
CELLULOSE
FIBER GLASS
GRAVEL ROAD DUST
CARBON PARTICLES
DECAYED ORGAINC MATTER
TOTAL
CELLULOSE
FIBER GLASS
GRAVEL ROAD DUST
CARBON PARTICLES
DECAYED ORGANIC MATTER
TOTAL
PERCENT OF
SAMPLE**
20.0%
20.0%
20.0%
30.0%
10.0%
100.0%
20.0%
20.0%
15.0%
35.0%
10.0%
100.0%
Signed for Ambient Group Inc.by,
Ta:
TAREK FATA
ND - None Detected, NA = Not Anatyzed, There are two (2) types of dust sample submitted for anatyale: Settied - Samples subminted on tapa/bulk, Airbome = Semples sutmitted
in Air-O-Cell Cassettes. All resuits disciosed in this raport relate onty to the hams tested. No reproduction of all or any portion of this report shall accur without wrttten approval
of Ambient Group inc. Unless otherwise directed by the Client, Ambient Group Inc. Wil retain the samples listed in this report for tive (5) days, after which time they may be disposed
NYC 9/11 Public Portal Document
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000126751Source: 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.