Environmental assessment request letter, February 2002

NYC 9/11 Public Portal Document

02/20/2002 08:,86 FAX X1008

JLC ENVIRONMENTAL CONSULTANTS, INC. 200 Park Avenue South, Suite 1001, New York, New York 10003 Phone: (212) 420-8119 Fax (212) 4208892 Projaot No.: 01.2094 lneignia Realdentiel Grip4 Inc. ELAP tab Code: 11@9 Anelyt4: FIBERS '5 Thkd Avenue N1Cibit4 nit)k(P+.tli tab Code: 100273 080 RaoeiV d W01 '—idsW YorK NY 10017 NVLAP Lab codes 101853 Dote AMyzed 912001 1 a: SUMMARY OF ANALYTICAL RESULTS 0105AM Site: L John YO' NY

SAN # COLLECTED DESCRIPTION I LOCATION TIME(tnln) VOLUME(ly PIWPRILD RE$ULT$(Ncc) LAB$

019 Ambient/ 26th Floor/ Hallway 60 923 4/100 0.002<LOD 18-Member *6339

020 Ambient/ Apartment ._.PI! Foyer/ Living Room 60 923 3/100 0.002<LOD 19-September Area A 8337

021 Ambient/ 25th Floor! Hallway 60 923 85!100 0.035 1S•8epearow A 8338

? Ambient/ Apartment i ._. P11 Foyer Area 60 923 17/100 0009 A 6339

023 Ambient! 24th Floor/ Hallway 80 923 • 5/400 Q003<COD A 8340

024 Ambient/ Apartment P u d Foyer/ Living Room 60 923 141100 0.007 19-Soptembw Area A 6341

Sample CLOD a Left than limit of dat@Otlpn vddchis 8.5 Fibers 100 Hide Poitlre Phrase Contrast Mbroecopy (PC" VOUa'1 = H.C.P, ( High Concorthotlen of Particles) VOID2 a Ovetbeded ]od of Sample Prucwitkm and Al!ssmplá armed in aaoordanco Wth the NIOSH 7400 Method using'A" Counting Rules. issue Z, August 1094 it~111rm* lion: Obirpus PCM Model BH-2 Wh WBitor~BecW tGratlade (100um timid dismal, . Ai Wanner Laboratory Director

Report Date: September20, 2001 .l[C is responsible for on'y the ibex counts wbrlb the limitations of the method desorDed as NIOSH 7400. Amc g other gIves only en eider of a'abottte ibtiers and provides only an estimate of asbestos cow eritadons, this method don, Any and at dales out of JLC's analysis of samples are limited to rem+ to the coot of ansIr in0 samples. JLC 0Cc4pls no other tbilayr and the c>ialltadding thesabove. agrees to seek no costs beyond the Page 4 of 8

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