Environmental assessment request letter, February 2002

NYC 9/11 Public Portal Document 02/20/2002 08:53 FAX Q1006

JLC ENVIRONMENTAL CONSULTANTS, INC. 200 Park Avenue South, Suite 1001, New Yok, New York 10003 s Phone: (212) 420.8119 Fax (212) 420.3092 Project No.: 01-2094 ResideMal Group, lac. ELAP Lab Code: 110?A Anelyte: FIBERS 75 Third Avenue NIC 1, Lmi Cede: 100273 ti Date Received: 9120101 .._Aew Yost, NY 10017 NVLAP Lab Code: 101883 oats Analyzed: 9124101 SUMMARY OF ANALYTICAL RESULTS B`''*; 0119Attt43 Site: 100 -WW Skeet, New York, NY

SAMPLE 9

008 Ambient/ Apartment #3302/ Uving Room Area 194epttvnber 60 923 41100 0.002<LO A 8326

009 Ambient/ 32nd.Fkwr/ Hallway 60 t 9-seprep,ber 923 21100 0.0014.00

' 0 Ambient/ Apartment 1/ Foyer Area 60 923 • 5/100 003<LOQ

011 Ambient/ 31st Floor/ Hallway 19-September 80 923 5/100 0.003<L0© A 8326

012 r Ambient/ Apartment #3102/ Foyer Area 80 923 6/100 ~003 A 8329

SenpisArmes by: 4.00 m Less then fimt of detection whbh Ia 5.5 Fitt 100 Fields Positive Phase Contrast Mloroeoopy (pcM} V0101 COlf treo of Particles) = Overloaded Y0IO2 a As seni s a sd In aaondenoe vv>tro NIOSH 7400 Method using "A" Counting Rules. Isere 2, August 1994

aymptts PCM IAodN 8H.2 s<h watton•9eokelt (3ratlotlle (10trra field diameter). t.abor8tory Director Report Date: September 20, 2001 .h.,a responsible tar only the fiber counts wthlit the WnUons of the method ! only en hndwi of airborne wigs rind provides only an eetlrnet I of aebestesdescribed es NIOSH 7400. Among these 54usa4 are tbrsted fn tsca yr to the Costa snalyaing ~. My and a1 c aele t ip ewtof Ikr*IMkJLC of Uiebove samples. JLC accepts no alley Ifabiity and to o agree to seek no costs beyond 'age 2 of $

NYC-WTC 000123803