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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

New York Lab 307 West 38th Street, Now York, NY 10018 Phone: 212-290.0051 Fax: 2122900058 Email:

Attn:CTSI-Consulting & Testing Services, Inc. Customer ID: CTSI50 622 Georges Rd. Customer PO: North Brunswick, NJ 08902 Received: 10/17/01 3:15 PM Fax: (732) 729-1803 Phone: 732-729-1800 EMSL Order. 030106425 Project 111 Broadway / Entire Bldg EMSL Project ID: Analysis Date: 10/17/2001

Fiber Analysis of Air Samples via NIOSH 7400, Revision 3, Issue 2, 8115/94 LOD Fibers/ Fibers/ Sample Location Sample Date Volume Fibers Fields (fib/cc) mm' cc Notes 13 9th Fl South side 10/17/2001 1905.00 59.0 100 0.001 75.16 0.015 030106425-0013

14 8th Fl S-E side 10/17/2001 1920.00 41.0 100 0.001 52.23 0.011 030108426-0014

15 7th FL North side 10/17/2001 1905.00 36.0 100 0.001 45.86 0.009 0301064264 15

16 6th Fl West side 10/17/2001 1905.00 40.5 100 0.001 51.59 0.010 030106425-0018

17 5th Fl S-W side 10/17/2001 1905.00 47.0 100 0.001 59.87 0.012 030106425.0017

18 4th Fl S-E side 10/17/2001 1890.00 21.0 100 0.001 26.75 0.005 030106425418

19 3rd Fl East side 10/17/2001 1875.00 38.5 100 0.001 49.04 0.010 030106425-0019

20 2nd Fl N-E side 10/17/2001 1875.00 31.0 100 0.001 39.49 0.008 030106425-0020

21 Blank 10/17/2001 0.00 <5.5 100 <7.0 Field Blank 0301064250021

22 Blank 10/172001 0.00 <5.5 100 <7.0 Field Blank 030108425-0022

,e George 1l/am Analyst Laboratory fin r or other approved signatory Limit of detection Is 7 tibera/mm'. The laboratory Is not responsible for data reported In fibersd wndent on volute states only to the samples reported above. This report may not be reproduced, except in tali, approval by EMSL AnasIspertCnned by EMS. Manhattan (NY state ELAP 011508)

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NYC-WTC 000133011

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NYC-WTC_000133011Source: NYC Law Department, mirrored locally

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