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 George Rd. Customer PO: North Brunswick, NJ 08902 Received: 11/21/01 5:08 PM Fax: (732) 729-1803 Phone: 732-729-1800 EMSL Order. 030108460 Project: 115 Broadway EMSL Project ID: Analysis Date: 11/22/01

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

01 21st fl Eside 11/21/01 1680.00 16.0 100 0.002 20.38 0.005 030108460-0001

02 22nd fl W side 11/21/01 1680.00 15.5 100 0.002 19.75 0.004 030108460-0002

03 20th fl elevator lobby 11/21/01 1800.00 10.0 100 0.001 12.74 0.003 030108460-0003

04 19th fl at men's room 11/21/01 1800.00 9.5 100 0.001 12.1 0.003 030108460-0004

05 18th fl elevator lobby 11/21/01 1800.00 14.0 100 0.001 17.83 0.004 030108460-0005

06 17th fl E side 11/21/01 1680.00 8.5 100 0.002 10.83 0.003 030108460-0006

07 16th elevator lobby 11/21/01 1800.00 7.0 100 0.001 8.92 0.002 030108460-0007

08 15th elevator lobby 11/21/01 1800.00 6.5 100 0.001 8.28 0.002 030108460-0008

09 14th elevator lobby 11/21/01 1800.00 19.0 100 0.001 24.2 0.005 030108460-0009

10 13th E side 11/21/01 1800.00 10.0 100 0.001 12.74 0.003 030108460-0010

11 12th elevator lobby 11/21/01 Not Submitted

030108460-0011

12 Lobby / B' way level 11/21/01 1680.00 26.0 100 0.002 33.12 0.008 030108460-0012 T ~ a ~F

Thomas Michel , Analyst Laboratory Ma ger or other approved signatory Limit of detection is 7 fiberslmm°. The laboratory is not responsible for data reported in fibers/cc, which is dependent on volume collected by non-laboratory personnel. This reps 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 FLAP #11506)

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NYC-WTC 000132691