NYC-WTC_000202826

NYC 9/11 Public Portal Document

New York Lab 307 West 38th Street, New York, NY 10018 EMSL Phone: 212-2904)051 Fax: 2122900058 Email:

Attn: CTSl-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: 030106084 Project: 115 Broadway / All Floors EMSL Project ID: Analysis Date: 10/13/2001

Fiber Analysis of Air Samples via NIOSH 7400, Revision 3, Issue 2, 8Z15/94 LOD Fibers/ Fibers/ Sample Location Sample Date Volume Fibers Fields (fib/cc) mm‘ cc h/otes

01 Outside of Bldg 10/12/2001 1845.00 16.0 100 0.001 20.38 0.004 030106084-0001

02 Lobby in the middle 10/12/2001 1830.00 19.0 100 0.001 24.2 0.005 030106084-0002

03 Trinity level 10/12/2001 1815.00 6.0 100 0.001 7.64 0.002 030106084-0003

04 3rd floor in the middle 10/12/2001 1875.00 21.0 1 00 0.001 26.75 0.005 030106084-0004

05 5th floor in the middle 10/12/2001 1860.00 5.5 100 0.001 7.01 0.002 030106084-0005

06 6th floor in the middle 10/12/2001 1860.00 6.0 100 0.001 7.64 0.002 030105084-0006

07 7th floor in the middle 10/12/2001 1860.00 <5.5 100 0.001 <7.0 <0.001 030106084-0007

08 Sth floor in the middle 10/12/2001 1815.00 6.5 100 0.001 8.28 0.002 030105084-0008

09 9th floor in the middle 10/12/2001 1830.00 7.0 100 0.001 8.92 0.002 030108084-0009

10 10th floor in the 10/12/2001 1830.00 <5,5 100 0.001 <7.0 <0.001 middle 030105084-0010

11 2nd floor in the middle 10/12/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 030105084-0011

12 4th floor in the middle 10/12/2001 1755.00 8.0 100 0.002 10.19 0.002 030106084-0012

Thomas Michel Analyst Laboratory Manager or other approved signatory

Limit of detection is 7 fibers/mm’. The laboratory is not responsible for data reported in fibers/cc, which is dependent on volume collected by non-laboralory personnel. This report relates only to the samples reported above. This report may not be reproduced, except in full, without written approval by EMSL. Analysis performed by EMSL Manhattan (NY State ELAP #11606)

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NYC-WTC_000202826