Dust characterization laboratory analysis report, environmental testing

AMBIEN’ OUP, INC. 10 MORmS AVENUE c:: GLEN COVE, NY 11542 Z I DUST CHARACTERIZATION LABORATORY DATA REPORT o ro cz> PROJECT ID: 211463 DATE COLLECTED: 9/28/2001 CLIENT: CUSHMAN & WAKEFIELD, INC. DATE RECEIVED: 9/28/2001 LOCATION: 130 LIBERTY STREET DATE ANALYZED: 9/30/2001 g s: TECHNICIAN: PETER SCHORK o tn FIELD ID SAMPLE PERCENT OF LABORATORY ID DESCRIPTION CONSTITUENTS SAMPLE •• ^s=3B=as^=asss== nj rs 211453-19-01 1 STH FLOOR: NW CORNER B CELLULOSE 10.0% DB2603 FIBER GLASS 40.0% CEMENT DUST 40.0% CARBON PARTICLES 8.2% CHRYSOTILE 0.8% TOTAL 100.0%

211453-19-02 7 STH FLOOR: MIDDLE OF NORTH WALL 8 CELLULOSE 10.0% DB2604 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 (D TAREK FATA E o NO = Nona Dattcted, NA ” Not Anatyzsrf. Thore are two (2) typos of dual saropio submitted (or analysis; SaWad =. Samples submitted on tspe.'hull!, Airfcoma — Semples submitted o in Ait-O-Call Cassettes. All results disclosed in this taporf relate only to the hems tested. No lepioduction of ell or soy portion of thia ispoit shall occur without written ipprouat Q CO of Ambient Group Inc. Unless otherwise directed by the Client, Ambient Group Inc. will retain ths samples listed in this report for five (SI days, after which time they may ba iSaposed co TO t of in aceoedanee with applicable regulations. co O ■’f CL O -a o o S ro CL

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