Bulk sample analysis report, 100 Liberty Street, Sep 2001

NYC 9/11 Public Portal Document

35-40 36tbStrNt Lon] Island City NowYork.moe ’I Tel:G1J)729.19S7 Fax:(718}7M<6

BULK SAMPLE ANALYSIS REPORT CLIENT: NYC-DCAS BUILDING ADDRESS: 100 Centre Street PROJECT#: Client Sample ID# ; 16 17 18 19 20 Lab Sample ID# . 0I0918A-947 010918A-948 010918A-949 010918A-950 010918A-95I Sample Location Elevator Bank Elevator "A" Elevator "A" Stairxva,v "D" Stairway "C" 11th Floor 6th Floor 6th Floor 5th Floor 3rd Floor

Homogeneity Yes Yes Yes Yes Yes Sample Description Floor Window Sill Floor Floor Window Sill Wipe Wipe Wipe Wipe Wipe

Color BIk BIk Blk BIk 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 15%CELL 10%CELL 7%CELL I0%SYNTH 5%SYNTH 3%SYNTH Non Fibr. Mat (Percent) 90% 85% 90% 90% 90% Date Received 9/18/01 Date of Analysis 9/18/01 Date of Report; 9/18/01

Analystf Roody Louis, Lab Managed-: I _ (r_(2 David Chen * Analysis of samples is performed by Pplafized Light Micro .copy (PLM) - Point Counting Method (EPA 600/M4-82-020) * Analytical equipments. Stereobinocular microscope (MEIJI EMT-Serial # 25930), Polarized Light Microscope (MEIJI ML-POL-Serial # 88034) * PLM is not consistently reliable in detecting asbestos in floor coverings and similar non-friable organically bound materials. Quantitative transmission electron micros;opY 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) davs and then returned to the client upon request * The results relate onlv 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. NYS-DOH ELAP # 11273 NlSr-:\3 LAP 0 192047 AIHA 100269

CITY_21MC100_0 02777751

NYC-WTC_000182069