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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, New York, NY 18018

Attn: CTSI-Consulting & Testing Services, Inc. Customer ID: CTSI50 622 Georges Rd. Customer PO: North Brunswick, NJ 08902 10/09/01 5:10 PM Received: Fax (732) 729-1803 Phone: 732-729-1800 EMSL Order. 030105844 Project: 111 Broadway! Entire Bldg EMSL Project ID: Analysis Date: 10/10/2001

Fiber Analysis of Air Samples via NIOSH 7400, Revision 3,Issue 2,8/15/94 LOD Fibers/ Fibers/ Sample Location Sample Date Volume Fibers Ftelds (fib/cc) m++r' cc Notes

13 9th FI / West Side 10/9/2001 1800.00 7.0 100 0.001 8.92 0.002 030105844-0013

14 8th Fl / West Side 10/9/2001 1800.00 8.5 100 0.001 10.83 0.002 030105844-0014

15 7th FI / West Side 10/9/2001 1800.00 10.0 100 0.001 12.74 0.003 030105844-0015

16 6th Fl / West Side 10/9/2001 1800.00 15.0 100 0.001 19.11 0.004 030105844-0016

►17 5th Fl / West Side 10/9/2001 1800.00 16.0 100 0.001 20.38 0.004 1 030105844-0017

18 4th Fl /West Side 10/9/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 030105844-0018

19 3rd Fl / West Side 10/9/2001 1800.00 7.0 100 0.001 8.92 0.002 030105844-0019

20 2nd FI / West Side 10/9/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 030105844-0020

21 Lobby / West Side 10/9/2001 1800.00 6.0 100 0.001 7.64 0.002 030105844-0021

22 Trinity Level / West 10/9/2001 1800.00 11.0 100 0.001 14.01 0.003 Side 030105844-0022

23 Outside Bldg 10/9/2001 1800.00 6.0 100 0.001 7.64 0.002 030105844-0023

24 Blank 10/912001 0.00 <5.5 100 <7.0 Field Blank

030105844-0024

Analyst or other approved signatory

Lm n or detection is 7 flberslrran'. The laboratory is not responsible for data reported in flberaloc, wMW is aepenoent on voiwtre i relates only to the samples reported above. This report may not be reproduced, except In full, without written approval by EMSL. Analysts performed by EMSL Manhattan (NY State ELAP #11506)

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NYC-WTC 000132976

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NYC-WTC_000132976Source: NYC Law Department, mirrored locally

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