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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 10018 Phone: 212-280-0051 Fax: 2122800058 Email:

Attn: CTSI-Consulting & Testing Services, Inc. Customer ID: CTSI50 622 Georges Rd. Customer PO: North Brunswick, NJ 08902 Received: 10/12/01 6:30 PM Fax (732) 729-1803 Phone: 732-729-1800 EMSL Order. 030106083 Project: 111 BroadwayI All floors EMSL Project ID: Analysis Date: 10/13/2001

Fiber Analysis of Air Samples via NIOSH 7400, Revision 3, Issue 2,8115194 LOD Fibers/ Fibers,' Sample Location Sample Date Volume Fibers Fields (fib/cc) mm' cc Notes 13 1211In the middle 10/12/2001 1680.00 <5.5 100 0.002 <7.0 <0.002 030106083-0013

14 1311In the middle 10/12/2001 1665.00 <5.5 100 0.002 <7.0 <0.002 030106083-0014

15 14 fl In the middle 10/12/2001 1650.00 14.0 100 0.002 17.83 0.004 030106083-0015

16 1511In the middle 10/12/2001 1665.00 <5.5 100 0.002 <7.0 <0.002

17 411 In the middle 10/12/2001 1650.00 <5.5 100 0.002 <7.0 <0.002 030108083-0017

18 16 fl In the middle 10/12/2001 1695.00 <5.5 100 0.002 <7.0 <0.002 030106083-0018 19 17 fl In the middle 10/12/2001 1875.00 <5.5 100 0.001 <7.0 <0.001 030106083.0019

20 1811In the middle 10/12/2001 1875.00 <5.5 100 0.001 <7.0 <0.001 030106083-0020

21 19 fl In the middle 10/12/2001 1860.00 <5.5 100 0.001 <7.0 <0.001 030106083-0021

22 2011In the middle 10/12/2001 1830.00 <5.5 100 0.001 <7.0 <0.001 030106083-0022

23 21 fl In the middle 10/12/2001 1830.00 7.0 100 0.001 8.92 0.002 030108083-0023

24 Blank 10/12/2001 0.00 <5.5 100 <7.0 Field Blanc 030106083-0024

Rey Cross Analyst Laboratory Manager or other approved signatory

relates only to the samples reported above. The report may not be except In full, wtttaut wrttten approval by Analysis perfomed by EMSL Manhattan (NY State ELAP #11506)

s. i a NYC-WTC 000132991

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NYC-WTC_000132991Source: NYC Law Department, mirrored locally

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