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Asbestos TEM analysis data, 125 [name], Sep 2002

Machine-extracted title · confidence 95%

Chain-of-custody form containing transmission electron microscopy results for asbestos fiber analysis at a DEP cleanup project dated September 2002.

NYC-WTC_000107682–000107737

Folder label: “0076-0100

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NYC 9/11 Public Portal Document

ATC Associates 101 East 25 Street, New York, NY 10010 QVATC Phone: (212) 353-8280 Fax: (212) 353-8306

Attn: Benjamin Sallemi Received: 9/28.02 8:00:00 AM ATC Associates [nc. ATC Group #: 8906 • 104 East 25th Street Analysis Date: 9'_3.02 • New York NY 10010

Fax: (22 12) 353-399 Phone: (212) 353-3230

Project: DEP Clean-up Project : 2 2 906-0002 123 Cedar Street, New York, NY

• Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area ;Von Asbestos # Structures Sensitivity Concentration Sample Volume Analysed Asb Types) 0.5p-S >.0 (S/cc) (S/mnr') (S/cc) Notes

03 1800,00 0.0450 0 None Detected 0 0 0.004S <22.24 <0.004S .~9n6 -1

1 t" I SOO.00 0.0450 0 None Detected 0 0_ 0.0048 = 22.24 -0.('1048 •) 906

1~ I SO0.00 0 0451) 0 None Detected 0 I) 0.0048 22.24 <0.004S i9Cili -3

1504.00 0.0450 t) None Detected I) 0 0.0047 < 22.24 <0)-004- O -4

0' 1800.00 0.0450 0 None Detected 0 0 0.004S <22.24 <0.0048 5906 -5

MARK PEYSAKI-IOV MICHAEL A GOR' CK(. Ph D

Anal zeJ

2isciaimer: The aboratory is net responsible 'or data reported ,n structuresicc, whicn is dependent on volume col ected by non-laboratory personnel. -his :ao s „ rSsaonsbie for cats reported in ;tructuresimm. This report may not oe reproduced, except in 'u4 without written approval by ATC Associates inc. This report may net oe vsea to claim produc: endorsement by NVLAP or any other agency of the U.S. Government. This reports relates only to the samples reportea above. Quality control data iinctuaing 95% continence lints and laboratory and analysis accuracy and crecision) is availanie upon recuest.

Accredited for NVLAP PDXTEM *101187-0, NY State ELAP 10879

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