Faxed document header from August 2002

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone: (212) 353-8280 Fax: (212) 353-8306

Received: 7/15/02 11:00:00 AM Attu: Ric. Fabio Pe4 r.e A.TC Group #: 8507 Warren & Palmer Engineem , P.C- .analysis Date; 7/15/02 228 E. 45th Street New York NY 10017 Phone: (212) 922-0077 Farr: (212) 922-0630 Project-, NYC DEP, W&P# 1079-01.02 180 Broadway Electron Microscopy (TENS) Performed Asbestos Fiber Analysis by Transmission (A ERA) by EPA 40 CFR Part 763 Final Rule Analyzilool Asbatcs #Struenrns Scnsiiiviry CanerxbNriOR A,ea Non AakStos Nates Volume Anetysed 4th Type(S) aS,u-S $~ (S/cc) (S/mi 3) (S/cc) sample NoneDeterled 0 0 0,0041 <17.79 <0.0041 01 1660.00 0.0562 0 507 -t 0 0 0.0041 <1779 <0.0041 02 1660.00 0.032 0 Name Aetrxted 4507 -2 -- ..-..._. -- 0.... __ _~ —• — 1 0 0.0041 17.79 0.0041 03 1660.00 0.0562 C1 YSOTILE 8:07 -3 _, _—. __._ • -- ..~_

04 .0 Nona Detec 0 0 0.0041 <i.79 <0.0041 1660.Uo 0.0562 8507 -4

0 0 0.0041 <17.79 <0.0041 05 1660.00 0.0562 0 None 0tacted $501 -S

1-1 MICHAEL A. GORYCKI. Ph.D. ROMAN PEPS ov Approved by: Analyzed by:

poUrstted by his lab is an!y responsiCfe reported in strvctureifcc, }Ytc1n b dependent on vduma ~ A~ DlsGatrtre:: The luboralorY c not rQsponsible for data approval by ATC non-1abr Aaaoai2 rr j reportne R of lbe used b claim reported in edrettureshmm~~ This repocn may not be reproduced, except r iuS, mr Ls c witten e9orred ab ove. his ray control data (including 95% tvr dale of the U.S.Gov' u~ rsI* s only to the samples xoduct endor$,ment by NVIAP or any other apenty ecti p is available confidence limits antl laboratory ano anal)sis' accuracy #10879 Accredrled for NVLAP PLMrrFM 110111574. NY Stage SLAP Pagr 7 of F

NYC-WTC 000122866