1 WILLIAM STREET Block: 29 Lot: 36 BIN: 1078969 1-3 South William St., 63-67 Stone St.

NYC 9/11 Public Portal Document

IINDEPENDENT TESTING LABORATORIES,rNC. -SERVING INDUSTRY WOR-DWJDE SINCE 1a76* 129-11 I8{h .Avez.ae College Poaa-li9 N.Y 113&6 (718)961-8530 J 'ax:(718)7621334

Pap 2 of2 March 18,2001

CLIENT:1-nt4sa B.C.L

PLM POINT C?OUINT ANALYSIS REPORT PERFORMED IY EPA S0WA93 ►1* METHOD.

Sample ISaaiplle Appearance' Asbcatos Non4Aab stos m ri Lion % T % Fibrous % Non-Fibrous A2546 (1) Drnt Sample Various 4% Chrysotil4 10% Cellulose 46% Other ion Roof Fibrous 20% Fiber Glass : Otero ameous 20% Min. Wool A2546 (2) Dust Sample Various 3% Chrysotilo 10% Cellulose 67% Other Ion Roof Fibrous 10% Fiber Glass 10% Ming. Wool Ietero sous A2546 (3) Dist Sample Various 4% Chaysotile 10% Cellulose . 67% Other on Roof Fibrous Trace Amosite 10% Fiber O1ess 4 *tero emeous 10% Man. Wool PLM I NOB Comments! Fqt all obviously heterogeneous samples easily I pasted into subsamples, and for layered saoples, each component is analyzed separately. Also "# of Layyrr refers to nu aber of separable subsamples. a

NY samples Onalyzed by ELAP 198.1 method. * Dkefsdmer•: Polarized. Light Microscopy is not reliable in detecting asbestos in floor coverings and scalar non-friable organically bound materials (NOBS). Results <j% are inconclusive

aid quantitative TEM the meths d which be used to determine is c'usremtly only can

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000130996 NYC-WTC