NYC-WTC_000202531

NYC 9/11 Public Portal Document

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

Attn: Mr. Bernard. Orlan Received: 8/24/02 ( 10;00:00.PM -■ 2 N ATCGroup#:-8759 ' 28-11 Queens Plaza North : Analysis Date: 8/25/02: : . • hong Island City, NY ,11101 Pax: (212) 475-4122 rPhone: ' (212) 477-8941

Project: PS IM Prejectl#: 14584-869 ■ 8 Henry 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 Asbestos #Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) O-Sfi-S 5fi (S/cc) (S/mm") (S/cc) Notes

;' .7I92«.OO3:. 0.0450 S7S9 -J ' ' 0 ' NoneDetected 0 .0 0.0045. <22.24 <0.0045 I ,1928.00 7 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 ■ ^759 -2

03 1920,00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 S75P -3

04 1920.00 0.0450 ■ 01 None Detected' :0 0. 7 0.0045 <22.24 <0.0045 S739 -3

05: ; I 92S.00 0.0450 . 0: None Detected ::0 , 0 0:0044 <22.24 . 3<0.0044 :)S73a .5

1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 : <0.0045 : s759 -6 ;

07 1920.00 0.0450 0 NoneDetected 0 0 0.0045 <22.24 <0.0045 /S7.59 -7 :: : : l:

■ ROMAN PEYSA™OY<,>-^ MICHAEL A. GORYCKl, Ph.D. - 1 Approved by; <

Disclaimer. The laboratory is not responsible fordala reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. Thi9«is only responsible tor data reported in structures/mmL 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.GovemmehL This reports relates only to the samples reported above. Quality control data (including 95% confidence limits and Iaborato7 and analysis'accuracy and precision) is available upon request.

/ Accredited for NVLAP PLMTEM #101187-C, NY State ELAP #10879

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