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Dust characterization laboratory data report

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Laboratory data report header from Ambient Group Inc. regarding dust characterization analysis.

NYC-WTC_000174927
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Scanned page image, NYC-WTC_000174927
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NYC 9/11 Public Portal Document

AMBIENT GROUP. INC. 10 MORRIS AVENUE GLEN COVE, NY 11542 CT! m I DUST CHARACTERIZAITON LABORATORY DATA REPORT CO I PROJECT ID: 211338 DATE COUECTEDr 3/17/0I o CUENTt CRG MANAGEMENT DATE RECEIVED! 9/17/01 LOCA-nOM; 60 BROAD STREET DATE ANALYZED: 9/18/01 TECHNICIAM: CRAIG KAMBACK

<z> HELD ID SAMPLE PERCENT OF 4^ LABORATORY tD DESCRIPTION CONSDTUEHTS SAMPLE ** 211368-01 Z3RD FLOOR: RECEPTION DSSK CEU.ULOSE 20.0% DB1852 CEMENT DUST SO.0% CARBON PARTICLES 10.0% g DECAYED OBGANIC MATTER TOTAL 20.0% 100.0% 3>

bl Cd m 3g 211368-02 DB1853 23RD FLOOR: CONFERENCE ROOM CELLULOSE CEMENT DUST 20.0% 50.0% H bj °5 hd w CARBON PARTICLES DECAYED ORGANIC MATTER 10,0% 20.0% O o 2 TOTAL 100.0% gg H > Z113BS-03 1DTH FLOOR: DAISY’S DESK CELLULOSE 20.0% n r DB1SS4 CEMENT DUST 50.0% CARBON PARTICLES 10.0% H 33 DECAYED O.RGANiC MATTER 20.0% c ow TOTAL 100.0%

gg w n 2113SB-04 1OTH FLOOR: ADJACENT TO V^ORK STATION 16 CELLULOSE 20,0% w w OBIBHB CEMENT DUST 50.0% S n CARBON PARTICLES 10,0% oz DECAYED ORGANIC MATTER 20.0% X> o TOTAL 100,0%

ij J H Q W M hj O H 2 Signed tor Ambient Group Irtc. fcy, ro

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NYC-WTC_000174927

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NYC-WTC_000174927Source: NYC Law Department, mirrored locally

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