Bulk sample analysis report, 100 Liberty Street, Sep 2001

NYC 9/11 Public Portal Document

35-40 SSthStrwt Long Island City NewYork,fflO€ Tel: (718)729-1997 Fax; {718)729-1876

BULK SAMPLE ANALYSIS REPORT CLIENT; NYC-DCAS BUILDING ADDRESS: 100 Centre Street PROJECT#: Client Sample ID# ; 21 22 23 24 25 Lab Sample ID^^. 010918A-952 010918A-953 010918A-954 010918A-955 010918A-956

Sample Location Stairwell "D" South Rm ~ 322 Corridor East Exit Room # 129A South 3rd Floor 3rd Floor Lobbx Lobb> 3rd Floor

Homogeneity- Yes Yes Yes Yes Yes

Sample Description Floor Window Sill Floor Floor Window Sill ipe Wipe Wipe Wipe Wipe

Color Blk Blk 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): 2%CELL 3%CELL 5%CELL 12%CELL 8%CELL 5%SYNTH NonFibr Mat (Percent). 98% 97% 95% 88% 87% Date Receiyed' 9/18/01 Date of Analysis. 9'18/01 Date of Report 9.18/01 Lab ManagoT^ j ---------- ----------- Analyst,- Roodv Lour David Chen * Analysis of samples is performed by Polari/ed Light Micro icopy (PLM) - Point Counting Method (EPA 600/M4-82-020) * Analytical equipments. Stereobins ir microscope (MEIJI EMT-Serial # 25930), Polarized Light Microscope (MEIJI ML-POL-Serial # 88034) * PLM is not consistently reliable in detecting asbestos in floor coyerings and similar non-ffiable organically bound materials. (Quantitative transmission electron micros ropy 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 endorsem :nt by NVLAP or any agency of the US Government \yS-DOH ELAP 1!273 MST-\ELAP »102047 AIHA #; 100269

CITY_21MC100_0 02777752

NYC-WTC_000182070