Air Sample Fiber Analysis Report, Nov 2001

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. North Brunswick, NJ 08902 Customer PO: Received: 10/04/01 4:00 PM Fax: (732) 729-1803 Phone: 732-729-1800 EMSL Order. 030105417 Project: 111 Broadway /115 Broadway EMSL Project ID: Analysis Date: 10/4/2001

Fiber Analysis of Air Samples via NIOSH 7400, Revision 3, Issue 2, 8/15/94 LOD Fibers/ Fibers/ Sample Location Sample Date Volume Fibers Fields (fib/cc) mm° cc Notes 13 8TH FL / SW SIDE 10/4/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 030105417-0013

14 7TH FL / NORTH 10/4/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 SIDE 030105417-0014

15 6TH FL /WEST SIDE 10/4/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 030105417-0015

16 BLANK 10/4/2001 0.00 <5.5 100 <7.0 Field Blank 030105417-0016

17 BLANK 10/4/2001 0.00 <5.5 100 <7.0 Field Blank 030105417-0017

Jim Hall Analyst Laboratory Manager or other approved signatory Limit of detection is 7 fibers/mm9. The laboratory Is not responsible for data reported in fibers/cc, which is dependent on volume collected by non-laboratory 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 #11508)

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NYC-WTC 000132694