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Air quality sampling report, 111 Broadway, Oct 2001

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Report of environmental air quality sampling from multiple floors at 111 Broadway on October 6-7, 2001; all fiber counts within OSHA permissible exposure limits.

NYC-WTC_000132961–000133059

Folder label: “115 BROADWAY Block: 50 Lot: 1 BIN: 1001003 United States Realty Building

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NYC 9/11 Public Portal Document

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Attn: CTSI-Consulting & Testing Services, Inc. Customer ID: CTS150 622 George Rd. Customer PO: North Brunswick, NJ 08902 Received: 11/07/01 4:46 PM Fax: (732) 729-1803 Phone: 732-729-1800 EMSL Order. 030107624 Project: 111 Broadway I Entire Bldg. EMSL Project ID: Analysis Date: 11/7/2001

Fiber Analysis of Air Samples via NIOSH 7400, Revision 3, Issue 2, 8/15/94 LOD Fibers/ Fibers/ Sample Location SampleDate Volume Fibers Fields (fib/cc) NMI cc Notes 1.3 Lobby West side 11/7/2001 1980.00 12.0 100 0.001 15.29 0.003 030107624-0013

14 Trinity East 11/7/2001 1950.00 37.0 100 0.001 47.13 0.009 030107624-0014

15 9 Fl. Corridor East 11/7/2001 1950.00 <5.5 100 0.001 <7.0 <0.001 030107624-0015

16 8 FI. North Office 11/7/2001 1950.00 10.0 100 0.001 12.74 0.003 030107624-0016

17 7 Fl. South Office 11/7/2001 1937.00 8.0 100 0.001 10.19 0.002 030107624-0017

18 6 Ff. Office West 11/7/2001 1950.00 12,0 100 0.001 15.29 0.003 030107624-0018

19 5 Fl. Corridor West 11/7/2001 1950.00 7.0 100 0.001 8.92 0.002 030107624-0019

20 4 Fl. South Office 11/7/2001 1935.00 6.5 100 0.001 8.28 0.002 030107624-0020

21 3 Fl. Corridor middle 11/7/2001 1920.00 10.0 100 0.001 12.74 0.003 030107624-0021

22 2 FI. East Office 11/7/2001 1950.00 9.5 100 0.001 12.1 0.002 030107624-0022

23 Blank 11/7/2001 0.00 <5.5 100 <7.0 Field Blank 030107624-0023

24 Blank 11/7/2001 0.00 <5.5 100 <7.0 Field Black

030107624-0024

Thomas Michel Analyst Laboratory Manager or other approved signatory Limit of detection is 7 f berdmm'. The laboratory Is not responsible for data reported in flberske, which is dependent on volwne collected by rat-laboratory personnel. This rep relates only to the samples reported above This report may not be reproduced, except In full, without written approval by EMSL Analysis performed by EMSL Manhattan (NY State ELAP 011606)

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NYC-WTC 000133051

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NYC-WTC_000133051Source: NYC Law Department, mirrored locally

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