Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

Attn: Benjamin Sallemi • Received: 9:28102 4:00:00 PM ATC .Associates Inc .4TC Group #: 8913 104 East 25th Street Analysis Date: 9.29.02 Aew York NY 10010 Fax: t212)353-3599 Phone: (2I2)353-828() Project: DEP Clean-up Project 4: 22906-0002 125 Cedar Street, New York. NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical .-1sbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0Su-5 Sir (S/cc) (S/nin' (S/cc) :Votes

II I S00.00 0.0450 0 None Detected 0 0 f '045 <22.24 <0.0043 $913 -3

1' ISOO.00 0.0450 0 CHRYSOTILE 0 I 001)48 22.24 0.0048 ,W:3 -9

= 1500.00 u45 0 0 None Detectea 0 t) 0.0043 <22.24 0.0048 son l -/r)

•

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D r Analyzed by: Ap veil by

~isctaimer The iaboratory is not responsible for data reported in structures/cc. which is dependent on volume collected by non-laboratory personnel. This iab is only responsible -or data reported in structuresimm'. This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to ciatm oroduct endorsement by NVLAP or any other agency of the U S. Government. This reoons relates only to the samples reported above. Quality control data ?inc acing 95%

• confidence imtts and laboratory and analysis' accuracy ana precision) -s available upon request.

>ccrednea for NVtLP P!MITEM 7101187.0. NY State ELAP 110879

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NYC-WTC 000129918