Chain of custody form, 21 West Street, Nov 2001

NYC 9/11 Public Portal Document FEB-28-2002 THU 11:22 AM CLOSINGS 0 ROSE FAX NO. 212 210 6724 P. 42/42

• - JLC ENVIRONMENTAL CONSULTANTS, INC, 200 rark Avenue South, Guile 1001, New York, Now Yuik 10003 Phone: (212) 420-$119 Fax: (212) 420-6092

Roca AssocrwteK Praot No.: 01-2Q89 ELAP Lab Code: 11020 xtiq Maniarart Avenue AnaVa. ASBESTOC NIOSH and ArHA Lab Code: 100x7'3 Date Received: 9/19101 Ntlw York, NY 10A1Cr3901 NVLAP t.ab Code: 101953 Date Anefyted: 9/19101 SUMMARY OF ANALYTICAL RESULTS - PLM Batch#: a10$937a _._ .. '~ Silo: - - ----„ 21 West Street, New York, AfY -- L -- SAMPLE #1 nA nFanRiPTJON/LOCA77cy4 COLOR ASNEsros TorAt % of DETECTED? ASIitSTOS aaAlTrTU&NTS COJECTLD LAB # CtJE$rs tSAMPE

01 Apartment 9L./ Window 3i11/ sample of TAN NO 0% CELL 20% 9118/01 Dust FBGL 66% 1046a NFiD 15% 1~01A 002 Apartment 22K/ TV Stand/ Sample of Dust TAN NO 0% CELL 20% ai18/o1 FBGL 65% 10468 NFIB 16% 002k$ ' ~Q3 Apartment 3E1 Desk/ Sample of Dust TAN NO 0% CELL 15% 8/'i l3/01 FBGL 70% 10470 NrIB 15%

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—•--- *IN3WFFICiFNT MATERIAL SUBMITTED M pECOMMENtb1n -- —NnT ANSI WWI PCM;V6 9TOA _ .

var)1i11N Ars;tl~ifi.Ll; Q $7c!s CONSTITUENTS -ASBESTOSONS11T Polar;' ii Light Mlatuscopy-Oisperslori Slaiiiing (PLM-DS) CHRY ® Chrysolite Asbestos PAPF = Paper Plbcr AMOS = Amoasite Asbestos WNW = tAnaral Waal sz fYnntrinlila Mheslc+s root. - ribervhaea • L°1r++s tL^_L9oiut ?tupt3f3ikun dt4i11Y,d1vts: ACTN a Acbno6te AAboatos All salrttles w, re prepHrad and analyzed in accrrrdanco with tho I=PA SYNF = Synthollo Fibers TRF.MI = Tromotile Aabe oe CELL = Cellulose 'a Ihod for 111u Nitorm1nwtton of Asbestos In Bulk Building Maleriafa• 9EPN Ca001R-d3/113. July 1993. ANTH — Mhophylilo Asboataa NFIB a Non•Fibeoua OROM as Organic Malarial a•' WOLL = Woliclaitonno MSrtit = Horse Heir Olympiil PI h1, Mndul shi-ZNM sloreomlaroscape, Mociot _ OTHR = Other Ai , VW 1K• 4Y. Al Wollner fo Laboratory Director

Aattiyfl rd tMOO reflect the Inolre up or ittt; mawriale only in the areas sampled. This •6umrnwy of Analylloai Results" shell not be reproduced except in full, without Iho wato eppr w f of JLO t,aburetory, and iI musi not Put wad by ollunt lo claim produoi andorommnnl by tNLAP or any agency tit !ho U.S, Oovommonl. Thin mcsihod is not applicable s~pt ip uu or+nlubibl0 tarite iimoun►o of line Ilfiera below the resolution or the 110ht mlcrr scope. The value of this method Iv limited to the quantitaflva Identification of neheeIu* to aJist pw seml qunninative gf>ternurrulltni of usbutluv content of bulk samples, exptosi ud as a percentage of Ilia protndod area. Quenlitatien of asbestos content woo rlalurntinnd wish i vruunl vptinno tit fmato,.0 callbrafei visual arsa esthnato, ancllar point counting procedure. CAUTION:Olher tabors with optical prnpaiilos similar to asbeato ploy ;jive ptaabivu Inirarfurnncaa and will be conrddered a eltosice Under this methodofopy, Alto, PLM Is not consiztenily relinbk+ in dalanliM o4hn,loe In floor covradnge and 5jirtjI i nai fiitbie ortjnnirahybound rnitorlvls. Quantitative lran5misslon election mieroacopyle currently the only method that tan he used to determine Wilds mulurlul can b cor aldered or if ooifad a-i non,nebeslos containing.

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