Dust characterization laboratory analysis report, environmental testing

AMBIEN-^ JUP. INC. 10 MOHi.iS AVENUE GLEN COVE, NY 11542 <=:

DUST CHAnACTERIZATiON LABORATORY DATA REPORT cz> I no co PROJECT ID: 211453 DATE COLLECTED: 9/28/2001 co ro CLIENT: CUSHMAN & WAKEFIELD, INC. DATE RECEIVED; 9/28/2001 LOCATION: 130 LIBERTY STREET TECHNICIAN: PETER SCHORK DATE ANALYZED; 9/30/2001 a cz> cn HELD ID SAMPLE PERCENT OF co LABORATORY ID DESCRIPTION CONSTITUENTS SAMPLE •• CD

CELLULOSE XX 211453-10-01 WTH FLOOR: NW CORNER B 10,0% DB2668 FIBER GLASS 40.0% GRAVEL ROAD DUST 40.0% CARBON PARTICLES 7.0% CHRYSOTILE 3.0% TOTAL 100,0%

211453-10-02 10TH FLOOR: MIDDLE OF NORTH WALL B CELLULOSE 10.0% DB2667 FIBER GLASS 40,0% CEMENT DUST 40,0% CARBON PARTICLES 8,0% CHRYSOTILE 2,0% TOTAL 100.0%

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Signed for Ambient Group Inc. by,

c CD E TAREK FATA 3 o o Q NO = None Dateerod, NA = Not Analyzed, There are two (2) types of duet sample submitted lor analysis: Settled " Samples submitted on tape/bulk, Airbams ■> Samples submitted In Air-O-CeH Cassette*. All tosulfs diselosad in this (sport relate only to the items tasted. No reproduction of all o« any portion of this report shall occur without written approval TO ■c o Q_ of Ambient Group Inc. Unless otherwise diiected by tha Client, Ambient Group Inc. will raisin the samples listed in this report fur live 15) days, after which time they may bo disposed of in accordance with applicable regulations. I o Z 3 0. ro tn I O) O Z I