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Dust characterization laboratory data report, Sept 2001

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Laboratory data report characterizing dust samples collected on September 17, 2001.

NYC-WTC_000182343
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NYC 9/11 Public Portal Document

AMBIENT GROUP. INC. 10 MORRIS AVENUE cz> GLEN COVE NY 11542 m I DUST CHARACTEHIZATION tABORATOHY DATA BEPORT CO I CD PROJECT 10: 211361 DATT COLLECTED; 9/17)01 CLIENT: S.L GREEN DATE P.ECEP.'ED; S/t/nSI LOCATION: 17 BATTERY PLACE. NORTH TOWER DATE ANALYZED; 3/18/01 m a TECHNICIAN; WILLJAM ESPOSITO CD OJ FIELD 10 SAMPLE PEHCEWT OF -p* LABORATORY ID DESCWPHON CONSTITUEWTS SAMPLE •• CD •T3 211361-05 ROOF & TREWE COrXIENSlNG UNITS FIBERGLASS <0.0% 031B7S GRAVEL ROAD DUST 50.0% CARBON PARTICLES TO.0% □> TOTAL 109.0% 3 03 21 i3eio« ROOF 4 DRAIN CEaULOSE 20.0% m DB1877 2= RBEA GLASS SO.0% GRAVEL road CUST 30.0% CD TOTAL 100.0% pa CD c: 211361-07 ROOF COOUNG TOWER CELLULOSE 10.0% -a DB1878 REEP GLASS 60.0% CEMENT DOST 30.0% TOTAL 100.0%

211361-48 21ST FLOOR; LOBBY. STAW WELL'E’ CELLULOSE IO.O«4 DE1873 FiSER GLASS 60 0« CEMENT DUST 30.0% CHRYSOTILE TRACE TOTAL 100.0%

Signed (or Ambient Group (no. by. g ro ro TAREK FATA CD NO. .>A 4^7x4. 12)ry^M vmV«u SettM « uitnfKH an OO hAl.M>^CA«Px.A’(r««JEi>dU«l»<U U tN« cair <» mf M MperlihU •wvr •lAMMCmeb;. o-mvtac.««a»wa Uf <•» IM 4s»«. ih* *N«M uw rw/wartatfipRtH cn M oamtfMiSB^Ah Rp^luS»r««ai9k:n*. .Cl. CD Q H

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NYC-WTC_000182343

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NYC-WTC_000182343Source: NYC Law Department, mirrored locally

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