NYC-WTC_000126721
AMBIENT GROUP, INC.
55 WEST 39TH STREET
NEW YORK, NY 10018
DUST CHARACTERIZATION LABORATORY DATA REPORT
PROJECT: 211334 COLLECTED: 9/25/01
CLIENT: Zar Realty DATE REC'D: 9/25/01
LOCATION: 400 Church Street TIME REC'D: 8:51 PM
TECHNICIAN: Peter Schork ANALYZED: 9/26/01
FIELD ID # SAMPLE PERCENT OF
LABORATORY ID # DESCRIPTION — CONSTITUENTS SAMPLE ™*
925-18-01 18th Floor CELLULOSE 10.0%
DB2311 FIBER GLASS 30.0%
CEMENT DUST 20.0%
CARBON PARTICLES 40.0%
TOTAL 100.0%
925-18-02 18th Floor CELLULOSE 20.0%
DB2312 FIBER GLASS 20.0%
CEMENT DUST 20.0%
CARBON PARTICLES 40.0%
TOTAL 100.0%
Signed for Ambient Group Inc. by,
TAREK FATA
ND = None Detected, NA = Not Analyzed, There are two (2) types of dust sample submitted for analysis: Settled = Samples submitted on tape/bulk, Airbome = Samples submitted
in Air-O-Cell Cassettes. All 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
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.
NYC 9/11 Public Portal Document
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000126721Source: 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.
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.
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.
Laboratory report characterizing settled dust composition at 75 Park Place collected on November 8, 2001, identifying constituents like cellulose and cement dust.