Fiberglass clearance results fax, 125 Liberty Street, Oct 2002

NYC 9/11 Public Portal Document 10/11/2002 16:31 FAX 212 353 8306 ATC lb 006

Attn: Benjamin Sallemi Received: 10/9/02 8:00:00 AM ATC Associates Inc. ATC Group #: 8946 104 East 25th Street Analysis Date: 10/11/02 New York Y 10010 Fax (212) 353.3599 Phone: (212) 353-8280 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 Aran Nun ASbeetos tt Strictures Sensitivity Cuncottratian Sample Volume Analyzed Asb Type(s) 0 Sµ-5 5,= (S/cc) (S/mm') (S/cc) Notes

A-6N-35 ;760.00 0.1236 4 None Detaetec 0 0 0.0008 <8.09 <0.0008 Class 4 Studura 8946 -35

A6S-36 3850.00 0.1236 22 None Detected 0 0 0.0008 <8.09 <0.0008 Cellulose- 7 Structures. Gypsum 15 8946 -36 Sbuclures

A-6S-37 3840.00 0.1236 i0 None Detected 0 0 00005 <3.09 <0.0008 Cellulose - 3 S:ijcturea Glass - 7 Smucture 8946 -37

A-65-38 3530.00 0 1236 10 None Detected 0 0 0,0008 <8.09 <0.0008 Gypsum -10 Structures 8946 -38

A-6S-39 3520.00 0.1236 ii None Detected 0 0 0.0008 < 8.09 <0.0008 Ceiwlose -1 Structure, 1-ypsum -10 Struciures 8916 -39

A-6S-40 3810.00 0.1236 28 None Detected 0 0 0.0008 <8.09 <0.0008 Cellulose -'Structures, Gypsun - 25 8946 -49 StuttUh9

A. 3(.00 0.1236 35 None cetected 0 0 0.0008 <5.09 <0.01)08 Cellulose 1 Structures, Gypsum .34 8946 -</ S7.ctures

A-42 3790.00 0.1236 24 None 0arected 0 0 0.0008 <309 <0.O00ts Cellulose • 3 Structure:, 3ypsum - 21 8946 -42 Structures

A-43 3800 00 0.1236 19 None Detected 0 0 0.0008 <8,09 <0.0008 Celutose -2 Structures, Gypsum -17 Structure 8946 -e3

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed Approved by,

D'so2imer.

The !aboratory not responsible data reported in strucyresicc, w'rch dependent s for

collected of ron-laboatory personnel, This lab is only responsible !a o^. v

me

for dace reported in strucsureslmm'. This report may not be eproduced, ex5ep1,n lull, without wetter: approval by ATC Associates Ina This report may not be used to claim product endorsement by NVLAP or any other agency of to U.S. Govemmert- This reports relates on'y to Cris samples reported above. Quality control data Qnciuding 95% confidence limits and laboratory and analysis accuracy ar.d precision) is a4aPeble upon r&luest.

Accredited for NViAP PLMTEM 91011lls-0, NY State E'.AP OIC379

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