NYC-WTC_000208938

NYC 9/11 Public Portal Document AMBIEN -OUP, INC. — 10 MORnmS AVENUE S& GLEN COVE, NY 11542 a . Q DUST CHARACTERIZATION LABORATORY DATA REPORT no fon) ©? PROJECT ID: 211453 DATE COLLECTED: 9/28/2001 ~— CLIENT: CUSHMAN & WAKEFIELD, INC. DATE RECEIVED: 9/28/2001 Ss LOCATION: 130 LIBERTY STREET DATE ANALYZED: 9/30/2001 = TECHNICIAN: PETER SCHORK S FIELD ID SAMPLE PERCENT OF ros) LABORATORY ID DESCRIPTION CONSTITUENTS SAMPLE ** a) 211453-8-03 8TH FLOOR: NE CORNER 8 CELLULOSE 10.0% DB2659 FIBER GLASS 40.0% CEMENT DUST 40.0% CARBON PARTICLES 8.0% CHRYSOTILE 2.0% TOTAL 100.0% 211453-8-04 8TH FLOOR: MIDDLE OF WEST WALL B CELLULOSE 10.0% DB2660 FIBER GLASS 40.0% CEMENT OUST 40.0% CARBON PARTICLES 8.0% CHRYSOTILE 2.0% TOTAL 100.0% 4 > Sc a © Signed for Ambient Group Inc. by, 4 TAREK FATA a K NO = Nona Datectad, NA = Not Anglyzad, Thein ora tyo (2) types of dust sample submitted for analysis: Settled = Samples submitted on tapebulk, Aitboma = Samples submitted ® in Air-O-Catl Cassettes. All results disctnsed in this report ratatn only lo the Items testsd. No rmpronduction of all of eny portion of thls report shall cocur without written epproval ic of Ambleat Group Inc. Unless otherudse directed by the Client, Ambient Group inc, will catain tha samples listed tn tts report fcr tive (5) days, after which time (hey may ba disposed o of in accordance with snplicsable regulations. is) 5 PhO lO — ray a N HS wo uo ~] fan NYC-WTC_000208947