Environmental assessment request letter, February 2002

NYC 9/11 Public Portal Document 02/20/2002 09:10 FAX 1 031 DEC. 4.2001 tls37AH JL INC.t . ss~ P.4/7 J[EN MENTAL CONSULTANTS, 240 Park Avenue South, Suite 1001, New Yolk, Nov York 10003 Pitons: (212) 42081i 9 Fwc (212) 42O 6o92 Prole No.: 01.2226 The lei,a1sance SLAP Lab Code: 11029 do Unsbnia Residential Group, In . Analyte: R89RS 100 John Street NIOSH and AI A Lab 100273 Date Received. 13/3/200 New York, NY 10038 NVLAP LA Codes 101943 Date Analyzed: 12/4!200 SUMMARY OF ANALYTICAL RESULTS , PCM 9$,h# 0112A936 Site: 100 John Sleet, New

002 Amblent116th Floor! East Wall/ Near Apartment 260 20641 8/100 OS.becember #1_PII A 9486

003 Arytb ert124th Floor! East WAIV Near Aperp nsnt 03.Pecaniber P11 255 2044 5!100 0.001'CLOD A 9497

004 AmblenU 34th Floor! North Wapt Near P I1 220 03-Deoernbar PII. ~._._._._._._._._._._._. 1763.8 5/100 0.ftLOD %A 9498

008 Amblertt! lobby/ South Wail! Near Stairs to 03-December 240 1923.8 10/100 Lounge A 9499

006 Ambient/ 16th Ploor/ Wet Well in Corridor! Near 240 0A3 oember 1923,8 41100 0.001<LOD Apartment # _:P1 ._I 8800

Sample AnalyaIe by: 4 mLem thanflir5 of detection whtah is &a prberJ 100 Fields Pattive Plea Cae*aBt Namecopy (PCM) o H.C. ( r h Conoentmtlor of Pte) V0102Olertlasdod All eamplee analysed in aeeerdance with the MIOSH 7400 Method iasinp w CcUntlng fWhm ue 2, IB{I 84 Ir1s nentat3ors: Olympus PCM Balms! 9t4 with Waltom8edce9 conical (1Q0um fleid dl nwlw% r Laboratoiy Report Data: December 4, 2001 JLC Is responsible for only the titer counts Within the ilmliedegs of the method glees only at index of airborne fibers s ot pray only an esnwta of dsaarlbad as NIOSH 7400. Among oilier Ihrdepotls, this math these samples are 1hnMed In recovery to the Does of analyzing cony sUOn, Any anti all claims 11,15109 out of JI.C'a arolys the atbove, samples. JLC accepts no other liability and the client egreesto seek no coats b Pagel of 2

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NYC-WTC 000123828