NYC-WTC_000204984

NYC 9/11 Public Portal Document

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35-W36lhSlrMl Long Island City, N«» York, 11109 Tel:m8)729-W' Fax: 718)729-1875‘

BULK SAMPLE ANALYSIS REPORT CLIENT: NYC-DCAS BUILDING ADDRESS: OFFICE BLDG.- 2 Laffayette, Manhattan, NY PROJLCTK: 7 9 10 1 Client Sample ID'r ■ 6 8 Lab Sample ID^ : 010917A-813 010917A-814 0109 PA-S 15 010917A-8i0 O10917A-SP

Sample Location: 12ih Floor 9th Floor 7t'h Floor Lobby 7th Floor 7(h Floor Stair’W" Elevator Lobby By Elevator Stairway "Y" Stairs "W"

Homogeneity': Yes Yes Yes Yes Yes

Sample Description. Floor Floor Floor Floor Floor V>'ipe Wipe Wipe Y' ipe W ipe

Colo- BIk Blk BIk Bik 01 <

Texpjre: Mixed Mixed Mixed Mixed .Mixed Sample Treatment: None None None None None

Asbestos Present: iTvpe & Percent) ND ND ND ND ND Total Percent Asbestos: 0% O’/o O’/o 0% 0% Other Fibr. Mat. (Tyve & Percent): 5T=CELL 5%CELL 5’/oCELL 5%CELL 8%CELL 5%SYNTH 5%SYNTH Non Fibr. Mat. (Percent) 95% 90% 95% 95% 87% Date Received: 9N7/01 Date of Analysis. 9/17/01 Date of Report: 9/17/01

Analysis Lab ManaECr: ouvaras David Chen • Analysis of samples is oerformed bv Polarized Light Microscopv (PLM) - Point Countina Method (EPA 600,744-82-020) * Analytical eouipments: Stercobinocular microscope (MEIJI EMT-Sertal # 25930), Polarized Light Microscope (MEIJI ML-POL-Serialf# 88034) • PLM is not consistently reliable Ln detecting asbestos in floor coverings and similar non-friable oraanicallv 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-containine ' Samples will be stored for ninety (90) davs and then returned to the client upon rcouest • The results relate only to the items calibrated or tested. • The cenificate of reoon shall not be reproduced without the written approval of the laboratory. * The report must not be used bv the client to claim endorsement bv NVLAP or any agency of the US Government, NYS-DOH ELAP tf J]27J t\iSr-.\YLAP 102047 AfHA 100269

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