Environmental sampling report, 115 Broadway, Sept-Oct 2001

NYC 9/11 Public Portal Document

Nev.., Y;>rt<: Lab 307 West 381h Street New ork N iU~S 1R Phone: 212.290.0051 Fix: "s/2110o058 cm.

Attn: CTSl-Consulting & Testing Services, Inc. Customer ID: CTS150 622 George Rd. Customer PO; North Brunswick, NJ 08902 Received: 11/14/01 10:28 PM Fax: (732) 729-1803 Phone: 732-729-1800 EMSL Order: 030108032 Project: Broadway 115-Entire Big. EMSL Project ID: Analysis Date: 11/15/2001

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) ntm, cc Notes 13 9 floor elevator Lobby 11/14/2001 2010.00 <5.5 100 0.001 <7.0 <0.001 030108032-0013 14 8 floor elevator Lobby 11/14/2001 1950.00 <5.5 100 0.001 <7.0 <0.001 030108032-0014 15 7 floor Elevator Lobby 11/14/2001 1833.00 <5.5 100 0.001 <7.0 <0.001 030108032-0015 16 6 floor in the middle 11/14/2001 1800.00 <5.5 100 0.001 <7.0 <0.001 of corridor 030108032-0016 17 5 floor conference 11/14/2001 1770.00 <5.5 100 0.002 <7.0 <0.002 room center 030108032-0017 18 4 floor conference 11/14/2001 1725.00 <5.5 100 0.002 <7.0 <0.002 room center 030108032-0018 19 3 floor corridor west 11/14/2001 1725.00 <5.5 100 0.002 <7.0 <0.002 side 030108032-0019 20 2 floor elevator Lobby 11/14/2001 1740.00 <5.5 100 0.002 <7.0 <0.002 030108032-0020 21 1 floor Lobby 11/14/2001 1740.00 7.0 100 0.002 8.92 0.002 030108032-0021 22 T-Level west side 11/14/2001 1788.00 9.5 100 0.002 12.1 0.003 030108032-0022 23 22 floor west side 11/14/2001 1740.00 <5.5 100 0.002 <7.0 <0.002 030108032-0023 24 Blank 11/14/2001 0.00 <5.5 100 <7.0 Field Blank

030108032.0024

Dawnette Branson Analyst Laboratory Manager or other approved signatory

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 In full, without written approval by EMSL. Analysis performed by EMSL Manhattan (NY State ELAP #11506)

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NYC-WTC 000133170