Bulk sample analysis report, 100 Liberty Street, Sep 2001

NYC 9/11 Public Portal Document IVAM VVlWVUAinU

35*40 36thSt(Mt Long Island City NewYoik,11106 Tel: (718)720*1997 L Fax:(718)729-1876

BULK SAMPLE ANALYSIS REPORT CLIENT: NYC-DCAS BUILDING ADDRESS: 100 Centre Street PROJECT#: Client Sample ID# . I T 3 4 5 Lab Sample ID- 010918A-932 010918A-933 0109I8A-934 010918A-935 0i0918A-936 Sample Location East Terrace West Terrace West Room #1711 Staircase "F" South Terrace 17th Flooi 17th Floor 17th Floor 17th Floor 1 /th Floor

Homogeneity Yes Yes Yes Yes Yes Sample Description W indow Sill Window Sill W indow Sill Floor Window Sill W ipe Wipe W ipe Wipe Wipe

Color Gr Gr Blk Blk Blk Texture' Mixed Mixed Mixed Mixed Mixed Sample Treatment None None None None None

Asbestos Present. (Type & Percent) ND ND ND ND ND Total Percent Asbestos: 0% 0% 0% 0% 0% Other Fibr. Mat. (Type & Percent). 1%CELL 2%CELL 2%CELL 5%CELL 3%CELL 15%SYNTH Non Fibr Mat. (Percent). 84% 98% 98% 95% 97% Date Received 9/18/01 Date of Analysis 9/18/01 Date of Report: 9/18/01

Analjst:- 1 Lab Mana: :r: Roody Louis David Chen ♦ Analvsis of samples is performed bv Poferized Light Micros :ooy (PLM) - Point Counting Method (EPA 600/M4-82-020) * Analytical equipments. StereobinoCular microscope (MEIJI 2MT-Serial # 25930), Polarized Light Microscope (MEIJI ML-POL-Serial # 88034) * PLM IS not consistently reliable m detecting asbestos in floo coverings and similar non-friable organically bound materials Quantitative transmission electron microscopy is currently the only method that can be used to determine if this material can be considered or treated as ron-asbestos-containing * Samples will be stored for ninety (90) days and then returnee to the client upon request * The results relate only to the items calibrated or tested. * The certificate of report shall not be reproduced without the VTitten approval of the laboratory. * The report must not be used by the client to claim endorseme it by NVLAP or any agency of the US Government. NYS-DOH EL4P » 11273 MST-NYLAP# 162047 AIHA ff; 100269

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