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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 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! Entire Bldg. EMSL Project ID: Analysis Date: 11/7/2001

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 NOW 01 21 Fl. Corridor East 11/7/2001 2250.00 24.0 100 0.001 .30.57 0.005 030107624-0001

02 20 Fl. South side 11/7/2001 2250.00 8.0 '100 0.001 10.19 0.002 Office 030107824-0002

03 19 Fl. Corridor South 11/7/2001 2235.00 13.0 100 0.001 16.56 0.003 030107624.0003 04 18 FI. North 11/7/2001 1950.00 21.0 100 0.001 26.75 0.005 Construct. 030107624-0004

05 17 Fl. Corridor West 11/7/2001 2235.00 7.5 100 0.001 '9.55 0.002 030107624-0005

06 16 Fl. South Office 11/7/2001 2190.00 <5.5 100 0.001 <7.0 <0.001 030107624-0006 07 15 FI. S-E Office 11/7/2001 2220.00 6.0 100 0.001 7.64 0.001 030107624.0007

08 14 FI. South 11/7/2001 2130.00 18.0 100 0.001 22.93 0.004 Construct. 030107624-0008 09 13th Fl. Corridor East 11/7/2001 2025.00 13.0 100 0.001 16.56 0.003 030107624-0009

10 12 Fl, Corridor West 11/7/2001 1950.00 12.0 100 0.001 15.29 0.003 030107624-0010 11 11 Fl. South Office 11/7/2001 1875.00 <5.5 100 0.001 <7.0 <0.001 030107624-0011

12 10 Fl. S-E side Office 11/7/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 030107824.0012

Thomas Michel Analyst Laboratory Manager or other approved signatory mac m noeraux, wrucn is cepenoent on vouane y relates only to the samples reported above. This report may not be except In full, without written approval by EMSL Analysis performed by EMSL Manhattan (NY State ELAP #11508)

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NYC-WTC 000133050

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NYC-WTC_000133050Source: NYC Law Department, mirrored locally

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