NYC-WTC_000208938

PIS6FZITO OOTONT? NYC 9/11 Public Portal Document VO feanst INV LING GLEN COVE, NY 11542 oy co DUST CHARACTERIZATION LABORATORY DATA REPORT ~ (om) PROJECT ID: 211453 DATE COLLECTED: 9/27/2001 nm CLIENT: CUSHMAN & WAKEFIELD, INC. DATE RECEIVED: 9/28/2001 Q LOCATION: 130 LIBERTY STREET DATE ANALYZED: 9/29/2001 TECHNICIAN: JOHN LEITNER S FIELD 1D ; SAMPLE PERCENT OF 4 LABORATORY ID DESCRIPTION CONSTITUENTS SAMPLE °* wo oOo 211453-10 3RD FLOOR: SOUTHEASI CELLULOSE 15.0% = DB2684 FIBER GLASS 50.0% GRAVEL ROAD DUST 23.0% CARBON PARTICLES 10.0% CHAYSOTILE 2.0% TOTAL 100.0% 211463-11 3RD FLOOR: SOUTHWEST CORNER CELLULOSE 15.0% 0B2685 FIBER GLASS 30.0% GRAVEL ROAD DUST 33.0% CARBON PARTICLES 20.0% CHAYSOTILE 2.0% TOTAL 100.0% 211453-12 3RD FLOOR: "A” STAIRWAY CELLULOSE 15.0% OB2686 WOOD FIBER 40.0% GRAVEL ROAD DUST 30.0% a4 CARBON PARTICLES 15.0% z= DECAYED ORGANIC MATTER TRACE _ AMOSITE TRACE a) CHRYSOTILE TRACE TOTAL 100.0% Signed for Ambient Group Inc. by, ALIO TAREK FATA ND = None Detected, NA = Not Analyzed, There are two (2) typas of dust sample submitted [er analys's: Settlad = Samples submitted on tapa/bulk, Airboma = Samples submitted in Air-O Cell Cassettes. All resists dsclosed in this mport relete only to tha items tested. No reproduction of all of any portion of this report shat occur vrithout written approval cf Ambient Group Inc. Unless otherwise diracted by the Cleat, Ambient Group Inc. will retain the samples listed in this report (or five (5) days, after which tima thay may be disposed of in accordance with applicable regulatlons. NYC-WTC_000208940