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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: 212-290-0051 fax: 21228000!

Attn: CTSI-Consulting & Testing Services, Inc. Customer ID: CTSI50 622 Georges Rd. Customer PO: North Brunswick, NJ 08902 Received: 10/09/015:10 PM Fax (732) 729-1803 Phone: 732-729-1800 030105844 EMSL Order: Project: 111 Broadway I Entire Bldg EMSL Project ID: Analysis Date: 10/102001

Fiber Analysis of Air Samples via NIOSH 7400, Revision 3, Issue 2,8115194 LOD Fibers/ Fibers/ Sample Location SampleDate Volume Fibers Fields (fib/cc) mm2 cc Notes 01 21st F1/ West Side 10/9/2001 1800.00 11.0 100 0.001 14.01 0.003 030105844-0001

02 20th FI / West Side 10/92001 1800.00 7.0 100 0.001 8.92 0.002 030105844-0002

03 19th Fl / West Side 10/9/2001 1800.00 12.0 100 0.001 15.29 0.003 030105844-0003

04 18th Fl / West Side 10/9/2001 1800.00 9.0 100 0.001 11.46 0.003 030105844-0004

05 17th Fl / West Side 10/9/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 030105844-0005 06 16th Fl / West Side 10/92001 1800.00 <5.5 100 0.001 <7.0 <0.001 030105844-0006 07 15th Fl / West Side 10/9/2001 1800.00 6.0 100 0.001 7.64 0.002 030105844-0007

08 14th FI / West Side 10/92001 1800.00 16.0 100 •0.001 20.38 0.004 030105844-0008

09 13th Fl / West Side 10/9/2001 1800.00 8.0 100 0.001 10.19 0.002 030105844.0005

10 12th Fl / West Side 10/92001 1800.00 6.0 100 0.001 . 7.64 0.002 030105844-W10

11 11th FI / West Side 10/92001 1800.00 <5.5 100 0.001 <7.0 <0.001 030105844-0011

12 10th FI / West Side 10/9/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 030105844-0012 r4

Analyst Labor Ory Manager or other approved signatory

Pr 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 000132975

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NYC-WTC_000132975Source: NYC Law Department, mirrored locally

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