NYC-WTC_000124941
AMBIENT GROUP, INC.
DUST CHARACTERIZATION LABORATORY DATA REPORT Spe ET nee cen
PROJECT ID: 211379
LIENT: BOSTON PROPERTIES
TION: 90 CHURCH STREET, 8TH FLOOR
CHNICIAN: PETER SCHORK
LABORATORY ID DESCRIPTION
10 MORRIS AVENUE
GLEN COVE, NY 11542
DATE COLLECTED: 10/14/01
DATE RECEIVED: 10/14/01
DATE ANALYZED: 10/14/01
SAMPLE PERCENT OF
CONSTITUENTS SAMPLE **
LOCATION #2-BULK
RH RE
CELLULOSE Trl tf paegeg yet oe on
FIBER GLASS 30.0%
GRAVEL ROAD DUST 30.0%
CARBON PARTICLES 10.0% ~~~
DECAYED ORGANIC MATTER 80%"
CHRYSOTILE 2.0%
TOTAL = i (wsC«é100.0%
Signed for Ambient Group Inc. by,
TAREK FATA
NO = None Detected, NA = Not Analyzed, There are two (2) types of dust sample submitted for analysis: Settled = Samples submitted on tape/bulk, Airborne = 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. Untess 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_000124941Source: NYC Law Department, mirrored locally