NYC-WTC_000124952
AMBIENT GROUP, INC.
10 MORRIS AVENUE
GLEN COVE, NY 11542
DUST CHARACTERIZATION LABORATORY DATA REPORT
CT ID: 211379 DATE COLLECTED: 10/14/01
LIENT: BOSTON PROPERTIES DATE RECEIVED: 10/14/01
LOCATION: 90 CHURCH STREET, 6TH FLOOR ’ DATE ANALYZED: 10/14/01
ICIAN: PETER SCHORK
SAMPLE PERCENT OF
LABORATORY ID DESCRIPTION CONSTITUENTS one) SAMPLER cee yy
_, CELLULOSE 20.0%
LOCATION #2-BULK FIBER GLASS 25.0%
GRAVEL ROAD DUST 30;0% ~~
CARBON PARTICLES 10.0% |
DECAYED ORGANIC MATTER 15.0%
- CHRYSOTILE ....... , TRACE
’ TOTAL i a 100.0%
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. 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_000124952Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from NYC Board of Education facilities on February 8, 2002.