Chain of custody form, 21 West Street, Nov 2001

NYC 9/11 Public Portal Document FEB-28-2002 THU 1106 AM CLOSINGS 0 ROSE FAX NO. 212 210 6724 P. 15/42

JLQ ENVIRONMENTAL CONSULTANTS, INC, 200 Park Avenue South, Suite 1001, New York, New York 10003 Phone(212)42O-811g Fax(212)42O-6092 Proleot No,,, 01 2080004 Rosa Meodalas 4w. ELAP Lab Codo: 11029 Analyte: FIBERS 204 Mrodieon Avo. 6th Floor NiQSI1and ANA Lab Gone: 10021.3 Aate R oeived: 10/2512001 New York, NY 10010 NVLAP Lab Code: 10i95 Date Analyzed: 1012612001 match 4: 0110A824 SUMMARY OF ANALYTICAL RESULTS Site: 21 West St'1•eet, New York, NY 1: y, y : AMPL1 rIE ~{ff CQI.l.ECTED DESCRIPTION/ LOCATION TIME(min) VOLUME(t) FIBIFIELD RESULTS(f(cc)

0111 Ambient/ PH Fluid/ PH Din the North Section of 12U 1646 4/100 0.001<Lop 21-October the Living Room

002 Ambient/ PH Floor/ Hallway Between PH B and 120 1846 6/100 0.002 24-0dhher PH C A 9305

003 Ambient! 27th Floor/ Rm 278 at the North 120 1846 5/100 0.t1p1<t tpn 24.october Section of the Living Room A 8305

004 Antblent) 27th rloor/ 1 isliway Detween Apt. 27D 120 '18413 41100 iiJiQ1<LOD 24-C4otobcr and 27 E ` A R'107

005 Ambient/ 22nd Fioor/ Apt. 22K/ At the Norlh 120 1846 3/100 <0.001<LOQ t 24-Octcibar Section of the Living Room A 8308

`• 006 Ambient! 22nd Floor/ Hallway Between Apt 22G 120 1846 4/100 j .1<LOD H. 24-vctobor and 22H A 8309

Sample Analystr,by: <LOI) = Less than limit of detection which is 5.6 Fibers/ 100 Fields Pusltivo Ptlaste Contrast MlorosCopy (PCM) VOID? - H.C.P. ( Nigh Concentration of Particles) VOID2 = Overloaded M99MI 4j. ampta Preparaja AnoIysIs: All samples analyted in accwdanre with tho NIOSH 7400 Method using "A" Counting Rules. I}sue 2, August 1994

Olympus PCM Model BH-2 with Walton-Beckett Grail ule (100um geld diameter). Gillam MSchhiWala Laboratory Diroctor Report Date: November 8, 2001 JLC Is rosponaitrie for only the fiber couniR within the limitations of the method described as NIOSH 7400, Among other limitations, gives Only an Index of airborne fibers and provides only an estimate of asbestos ccnconiration. Any and all claims arising out of this metho • JLC'c analyst blatie samples are (litiltod In recovery to the cost of anaiyzing samples, JLC accepts no other liability and the client agrees to seek no costs br the Abovo, Page 1 of 5

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