NYC-WTC_000199530

NYC 9/11 Public Portal Document

New York Lab 307 Vtleal 38th Sonet, New YcrK, NY 10018 EMSL Phone; 21g-29D-C0B1 Fax: 2122800088 Email: BOBB

Attn; OSHA Customer ID; +03OSHA 42-40 Bell Blvd. Bayside, NY 11361 Customer PO: Received: 00/15/01 7:00 PM Fax (718) 279-9067 Phone: 718-279-0O6O EMSL Order; 030104269 Project; World Trade Canter EMSL Project ID: Analysis Defe 9/15/2001

Fiber Analysis of Air Samples via NIOSH 7400, Revision 3, Issue 2, 8/15/94 (with 8 Hour Time Weighted Average)

Other Samples Start Stop LOD Fibers/ Fibers/ Sample Activity Sample Date Time Time Rate iVmtti} Fotume Fibers Fields (fib/cc) rnnf cc

FIG15 West and Vessey to 9/15/2001 14:30 16:06 Z.5 90.00 <6.5 100 0.030 <7.0 <0.030 hot zone included In TWA 030104238-0008

RG16 West and Vessey to 9/15/2001 14:40 15;0T 2.5 67.50 <5.5 100 0.040 <7.0 <0.040 hot zone inauded tn twa 0301042S8-000B

RG18 West and Vaasey to 9/16/2001 • 13:30 14:30 2.5 150.00 32.0 100 0,018 40,76 0.105 hot zona irtctudedinTWA 030104289-0010

George Boble Analyst Laboratory Manager or otiiar approved signatory

LImli at dsisciion is 1 fiWrsAnm*. Ths laboratay is not rstponsible for data reporlod In nbeioZcc, which Is dsfiontjanl on rduma collsolsd by non-IBborataty poioomei. Thio report rolaioa 0(1^ to Iho samplea roportod above. This report may not be reproducad. except in foil, wtlhout wrillon approval by EMSL. ■ * ■ ' '-ymsd by KMSL Manhattan (NY Slate ELAP tM 1508)

3

09/15/01 SAT 22:55 [TX/RX NO BlOOj

CITY_21MC100_003049756

NYC-WTC_000199531