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Air Sample Fiber Analysis Report, Nov 2001

Machine-extracted title · confidence 97%

Laboratory analysis of air samples from 115 Broadway using NIOSH methods to quantify fiber concentrations.

NYC-WTC_000132691–000132696
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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: 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: 1014/2001

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 (Jib/cc) mm' cc Notes 01 21ST FL / NW SIDE 10/4/2001 1800.00 8.5 100 0.001 10.83 0.002 030105417-0001

02 20TH FL / SE SIDE 10/4/2001 1800.00 5.5 100 0.001 7.01 0.002 030105417-0002

03 17TH FL/WEST 10/4/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 SIDE 030105417-0003

04 16TH FL! NE SIDE 10/4/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 030105417-0004

05 15TH FL / CENTER 10/4/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 030105417-0005

06 18TH FL / SW SIDE 10/4/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 030105417-0006

07 12TH FL/SOUTH 10/4/2001 1800.00 6.5 100 0.001 8.28 0.002 SIDE 030105417-0007

08 14TH FL/CENTER 10/4/2001 1800.00 12.0 100 0.001 15.29 0.003 030105417-0008

09 13TH FL / EAST 10/4/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 SIDE 030105417-0009

10 11TH FL / WEST 10/4/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 SIDE 030105417-0010

11 10TH FL / NORTH 10/4/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 SIDE 030105417-0011

12 9TH FL / EAST SIDE 10/4/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 030105417-0012

Jim Hall Analyst Laboratory Manager or other approved signatory Limit of detection is 7 fiberstmm'. The laboratory is not responsible for data reported in fibers/cc, which is dependent on volume ry non-laboratory personnel. This rep 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 #11506)

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NYC-WTC 000132693

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NYC-WTC_000132693Source: NYC Law Department, mirrored locally

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