Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

'Attn: Fred Burkhardt Received: 9/15/02 7:00:00AM1 ATC Associates Inc. ATC Group #: S839 104 East 25th Street Analysis Date: 9/16i02

0 New York

Fax: (212) 353-3599 NY 10010 Phone: (212) 353-82S0 Project: DEP Cleaan-up Project ": 22906-0002 125 Cedar Street. New York. NY

Asbestos Fiber Analysis by Transmission Electron ilicroscopy (TEI) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5µ-5 5ft (S/cc) (S/mm') (S/cc) Notes

10 3050.00 0.0450 0 CHRYSOTILE 3 I 0.0028 88.97 0.0112 8)39 -8

11 3050.00 0.0450 0 CHRYSOTILE 6 3 0.0028 200.18 0.0253 8834 -9

12 3050.00 0.0450 0 None Detected 0 0 0.0028 < 22.24 <0.002S 8.39 -/0

13 . 31150110 0.0450 0 CHRYSOTILE 0 I 0.0028 22.24 0.0028 .1'x39 -/I

14 None Detected 3050.00 0.0450 0 0 0 0.0025 <22.24 <0.002S

x '339 -/1

I 3050.00 0.0450 0 None Detected 0 0 0.0028 <22.24 <0.0028 3839 -l3

16 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 S839 -/4

17 2400.00 0.0450 0 CHRYSOTILE I 0 0.0036 22.24 0.0036 8339 -/i

IS 2400.00 0.0450 0 CHRYSOTILE I I 0.0036 44.48 0.0071 3839 -/6

ROMAN PEYSAKHOV MICHAEL A. GORYCKI. Ph D

Analyzed by: . - Approved by

G \

Disclaimer. The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible for data reported in stntduresimm=. This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to claim product endorsement by NVLAP or any other agency of the U.S. Government This reports relates only to the samples reported above. Quality control data (including 95%

• confidence limits and laboratory and analysis' accuracy and precision) is available upon request

Accredited for NVLAP PLMfrEM x101187-0. NY State ELAP x10879

Palm 2 ) /)

NYC-WTC 000129775