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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: 2122900058 Email:

Attn: CTSI-Consulting & Testing Services, Inc. Customer ID: CTSI50 622 Georges Rd. Customer PO: North Brunswick, NJ 08902 Received: 13 55 11 PM Fax: (732) 729-1803 Phone: 732-729-1800 EMSL Order. 030105581 03001010 Project: 111 Broadway Entire Biting EMSL Project ID: Analysis Date: 10/7/01

Fiber Analysis of Air Samples via NIOSH 7400, Revision 3, Issue 2,8/15/94 LOD Fibers/ Fibers/ Sample Location SampleDate Volume Fibers Fields (Jib/cc) mm' cc Notes 01 21st FI West Side 10/6/01 1845.00 12.0 100 0.001 15.29 0.003 030105581-0001

02 20th Fl West Side 10/6/01 1830.00 <5.5 100 0.001 <7.0 <0.001 030105581-0002

03 19th FI West Side 10/6101 1830.00 6.0 100 0.001 7.64 0.002 030105581-0003

04 18th FI West Side 10/6/01 1815.00 <5.5 100 0.001 <7.0 <0.001 030105581-0004

05 17th Fl West Side 1016/01 1830.00 10.5 100 0.001 13.38 0.003 030105581-0005

06 18th FI West Side 10/6/01 1875.00 <5.5 100 0.001 <7.0 <0.001 030105581-0006

07 15th FI West Side 1016/01 1890.00 <5.5 100 0.001 <7.0 <0.001 030105581-0007

08 14th FI West Side 10/6/01 1860.00 30.5 100 0.001 38.85 0.008 030105581-0008

09 13th Fl West Side 10/6/01 1875.00 <5.5 100 0.001 <7.0 <0.001 030105581-0009

10 12th Fl West Side 10/6/01 1860.00 <5.5 100 0.001 <7.0 <0.001 030105581-0010

11 11th FI West Side 1016/01 1800.00 <5.5 100 0.001 <7.0 <0.001 030105681-0011

12 10th Fl West Side 10/6/01 1830.00 <5.5 100 0.001 <7.0 <0.001 030105581-0012

Rey Cross Analyst Laboratory Manager or other approved signatory Limit of detection is 7 fibera/mm'. The labaatory is rat responsible for data reported in nberalcc, which Is dependent on voiutra collected by non-laboratory personnel. This rep relates only to the amnples reported above. This report may not be reproduced, except In full, without written approval by EMSL Analysis performed by EMSL Manhattan (NY State ELAP #11500)

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NYC-WTC 000132962

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NYC-WTC_000132962Source: NYC Law Department, mirrored locally

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