Chain of custody form, 21 West Street, Nov 2001

NYC 9/11 Public Portal Document FEB-28-2002 THU 11:20 AM CLOSINGS 0 ROSE FAX NO. 212 210 6724 P. 38/42 JLC ENVIRONMENTAL CONSULTANTS, INC. 200 Park Avenue South, Suite 1001, New York, New York 10003 ' Phone: (21 )420-B119 rax: (212)420-0092 Project No,: 01-2089 rtnsg X': ;oolnte5 SLAP Lab Code: 11029 Analyte; FIBERS 200 Mradiescn Avenue NIOSH and AIHA Lab Code: 100273 Date Received: 9/17/01 N wYatk, NY 100104001 NVLAP Lab Code: 101953 We Analyzed: 9118/Qi Batch ; 01 A829 SUMMARY OF ANALYTICAL RESULTS 5.. 040: West et,Now Y01*' my t._._.:: ....V_ . ;1', _._I • SAMPLE~ # IrCD GQL W" IDCaGIRIpTIoN /LOCATION TIMC(min) VO1iJME(1) FlB/FIELD RESULTS(flsc) LAB #

001 Ambient/ Apartment #3E/ Bedroom - North 120 1847 5/100 0.001 e-LOD ~~ 17.8rtptami'ie~r A 15223

UpZ Ambient/ Natiwayl (3 Apartment #3 120 1847 21100 <U.t)U <LQU 17-SEpternber A ii2?'1

003 Ambient/ Hallway! By Apartment #9L 120 1847 14/100 OQO~ 17-S*pt+rhr V'f A 9225

004 AmbienU Apartment #9U Bedroom 120 1847 65/100 0.,017 17 Sopternht'r A 8220

005 Ambient! Apallmcnt #22W Bedroom 120 '1847 50/100 0,013 II-Seplumbcr A e227

005 Ar bunt/ Hallway! By Apartment #22K 120 1847 51/100 0,014 17.S pternh~r A 5:2.8

a - waml+3iA iaiysla CLOD Less than limit of detection which is 5.5 Fibers! 100 Fields Positive Phase Contrast Microscopy (I} CM) VOIQt = li.C.P. (High Concentration of Particres) VOID2 — Overloaded M 1twl .oi `i 111PI~ ' t iQJli end Ar ijjj t ' , n sentNiha;nrmly od in nr,<orde+nrs with the TIIOE{ i /400 Meti+od uslnS 'A" Count ma Rules. eau 2 August 1004 I~ In;.tr4~lt~tt~tllia1n: • s~' 9; oiym(us I'CM Model BH-2wilh rat~culo (100um field diameter). Laboratory Director Report Date: September 18, I 2001 JLC Is responsible for only the r+her rsounta within the iimltations of the method dasoribad as NIOSH 7400, Among other limitations, this meth aivAc nniy an inrlasr nr airhnrne rihhra and provides only en estimate of asbestos concentration. Any and all olaIrnr ariF,in0 nut nf.11 r,'n nnnlyiai these t arn(rloe are limited In recovery to the cost of snaiyzing samples, JL0 $oeepts no other liability and the client agrees to seek no costs b the above, Page l o f 2

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NYC-WTC 000094630