NYC-WTC
:_000124940
..
AMBIENT GROUP, INC.
10 MORRIS AVENUE
GLEN COVE, NY 11542
•..
DUST CHARACTERIZATION LABORATORY DATA REPORT
PROJECT ID: 211379
CLIENT: BOSTON PROPERTIES
LOCATION: 90 CHURCH STREET, 8TH FLOOR
TECHNICIAN: PETER SCHORK
FIELD ID
LABORATORY ID
DESCRIPTION
8-AI
DB2832
LOCATION #1-BULK
DATE COLLECTED: 10/14/01
DATE RECEIVED: 10/14/01
•DATE ANALYZED: 10/14/01
....
SAMPLE
CONSTITUENTS
CELLULOSE
FIBER GLASS
CEMENT DUST
GRAVEL ROAD DUST
CARBON PARTICLES
CHRYSOTILE
TOTAL
PERCENT OF
SAMPLE **
18.0%*27r
30.0%
10.0%
10.0%
2.0%
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, Airborne = Sarples 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. Uniess 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.
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NYC-WTC_000124940Source: NYC Law Department, mirrored locally