Fiberglass clearance results fax, 125 Liberty Street, Oct 2002

NYC 9/11 Public Portal Document 10/11/2002 16:32 FAX 212 353 8306 ATC 2004

Attn. Benjamin Sallerni Received: 10/9/02 S:0000 AM ATC Associates inc. ATC Group N: 8946 104 East 25th Stree: Analysis Date: 10/11/02 New York NY 10010 Fax: (212) 353.3599 Phone: (212) 353-82S0 Project: DEP Clean-up ATC Project #: 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 Asbestos Area Non flsbesws # Structures Sensitivity Concentration Sample Volu►ne .4naly rd Asb Type(s) 03µ-5 sy

(S/cc) (S/rnrn') (S/cc) Notes

A -8S-17 3840.00 0.1236 24 None Detected 0 0 0.0008 <8.09 <0.0003 cellulose -7 Strictures Gypsum .14 3946 .17 S:rucn.res

A-8S-18 3830.00 0.1236 33 CHRYSOTILE i 1 00006 16.18 0,0016 Cellulose - 3 Structures 3ypsum • 30 8946 -; Strictures

A-8S-19-- 3820.00 0.1236 28 None Deteced 0 0 0-0008 <8.09 <0,0008 Callulose .7 Structures, 31ass - 21 Structure 8946 -19

A-8S-20 3810.00 0.1236 17 None Detected 0 0 00008 <8.09 -c0.000S Celulose • 2 Structures. Gypsum -15 8946 -2C Structures

A-7N-21 38::0.00 0.1236 21 C✓iRYSOTILE 0 1 0.0008 8.09 0.0008 Cellulose • 5 Structures, Gypsum 16 8946 -21 Structures

A-7N-22 3810.00 0.1236 14 CHRYSOT;LE 1 7 0.0008 8.09 '0-0008 Celulose -4 Strictures, Gypsum - 8 8946 -22 Structures, Glass -2 Structure

A -7N-23 3800.00 0.1236 18 None Detected 0 0 0.0008 <8.09 <0.0008 Cellulose -2 Structures, Gypsum -16 8946 -?3 Sttuotures

A-7N-24 3790.00 0.1236 19 CHRYSOTILE 0 1 0,0008 8.09 0.0008 Cellulose -1 Structures, Gypsum • 18 8946 -2d Strictures

A-7N-2j 378000 0.1236 9 CNRYSCTI_E 0 1 0.0008 5.09 0.0008 Cellulose-' Structures, Gypsum -S Swetures 8946 -2S

NUCHAEL i4. GORYCKI, Ph.D. MARK PEYSAKU10V Analyzed Approved by:

Disclaimer. The laboratory not responsible for data is In structures/x, which Is depe^dent reporter collected by on

volume personnel. This lab onh resod t ible non

-laboratory is

for data reported in struclu simm'. This report may not be reproduced, except in full, without writer. approval by ATC Associates in:. This report may not be used to claim product endorsement by NVI.AP or any other agency of Cie U.S. Gcvemment. Ttiis repots 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 PLM/TEMM 0101187-0... NY State E- P 010879

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