Environmental assessment request letter, February 2002

NYC 9/11 Public Portal Document 02/20/2002 09:16 FAX l~l 041 JLC ENVIRONMENTAL CONSULTANTS, 200 Park Avenue South, Suite 1001, INC. New York, New York 10003 Phone; (212) 420.8119 Fox (212)420.6002

The Renaissance Proled No.: 01-2226 c!o Insignia Residential Group, Inc. SLAP Lab Coda: 11029 Analyte: FIB RS 100 John Street NIOSH and AIMA Lab Code: 1073 New York, NY 10038 Date Received: 12!8/200 NVLAP Lab Code. 101903 Date Analyzed: 12/6,200 SUMMARY OF ANALYTICAL RESULTS - PCM t f-- 0112*949 Site: 100 John Street New York NY

SAMPLE e COLLEC7(9D DESCRIPTION I LOCATION LA8 8 TIME(min) VOLUM6(L) FfBIPI w RESULTS(f/oo)

001 Ambient in Door/ PCM Front Lobby - Between 05-December Lamps and Picture 268 2219.04 8!100 o.00j A 9631

002 Ambient in Door/ PCMMidd_le Right Side Wall - cis-December 260 2152.8 6/100 .0 1 Between Apts.: PII ' 16th Floor A 9632

003 Ambient in Door! PCM Front Apt.;._PII ' 24th Floor 05-December 257 2078.28 9/100 ,00 A 9633

004 Ambient In_ Do_ or! PCM Between Elevators 3 and 263 05-December 4/ 2177.54 8!100 QQZ A PII 9634

008 Ambient in Door! PCM Piano's Room/ Entrance -December 05 267 2210.76 7/100 0.002 Lobby A 9638

006 Ambient in Door! PCM__ ___ Middle_ or Left Side Wall 05-December 270 2235.60 9/100 A 9838 Between Apt. ._._._. P11 16th Floor

Sample Analysis by CLOD c Lass than limit of detection which is 8.5 Fibers! 100 Positive Phase Contrast Microscopy (pCM) VO101 - I1.C.P. ( High Concentration of Particles) Fluids VOID2 te Overloaded Method of SemIe Presaration and AnaIy . All samples analyzed in accordance with the NIOSH 7400 Method using "A" Counting Rules, Issue 2, August 1994 Instrumentation: . Olympus PCM Modal 0142 with Walton-Beckett Grsticule (100um U iwara field diameter). Laboratory Director Report Date: December 10, JLC is responsible for only the fiber Counts within the 2001 iimitatlons of gives only an Index of airborne fibers and provides only an estimatetheof Method described as NIOSH 7400. Among other limitations, this moth thosesamples are limited in recovery to the cost of analyzing samples.asbestos concentration. Any and all claims arising out of JLC's analys the above. JLC accepts no other liability and the client agrees to seek no costs b Page S of 8

NYC-WTC 000123838