Bulk sample analysis report, 100 Liberty Street, Sep 2001

NYC 9/11 Public Portal Document

35-40 36th Stmt /^kz. Long Island City

''if k. NewYork,11106 Tsi: (718)729-1997 Fax:(718)729-1876

BULK SAMPLE ANALYSIS REPORT CLIENT: NYC-DCAS BUILDING ADDRESS: 100 Centre Street PROJECT#: Client Sample ID# : II 12 13 14 15 Lab Sample ID# 0I0918A-942 010918A-943 010918A-944 010918A-945 010918A-946 Sample Location' Hallway Desk South Room North Room Staircase "A" Elevator "B" South #1128 ff 1106 11th Floor 11th Floor 11 th Floor 11 th Floor 11th Floor

Homogeneity Yes Yes Yes Yes Yes Sample Description Desk Floor W indow Sill Floor W'lndow Sill Wipe Wipe W ipe VV ipe W ipe

Color BIk Blk BIk 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)' 5%CELL 10%CELL 5%CELL 3%CELL 1%CELL

Non Fibr Mat (Percent): 95% 90% 95% 97% 99% Date Received: 9/18/01 Date of Analysis. 9/18/01 Date of Report.

Analyst 9/18/01

.c Roody Lout Lab Manager ) Z , . _ C David Chen * Analysts of samples is performed by Pol^ :ed Light Micrcscopv (PLM) - Point Counting Method (EPA 600/M4-82-020) / * Analytical equipments' StereobinoeWar microscope (MEIJ EMT-Serial ff 25930), Polarized Light Microscope (MEIJI ML-POL-Serial ff 88034) * PLM is not consistently reliable in detecting asbestos in floor coverings and similar non-friable organicallv 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 non-asbestos-containing * Samples will be stored for ninety (90) days and then returned 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 written approval of the laboratory. * The report must not be used by the client to claim endorsement by NVLAP or any agency of the US Government. !>JYS-DOH ELAP if 11273 MST-N^LAPff 102047 AIHA ff: 100269

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