Environmental assessment request letter, February 2002

NYC 9/11 Public Portal Document

02/20/2002 09:17 FAX IZ 043 JLC ENVIRONMENTAL CONSULTANTS. INC. 200 Park Avenue South, Suite 1001, New York, New York 10003 Phone: (212) 4208119 Fax; (212) 420-6092

The Renaissance Project No.: 01.2226 0/0 Insignia Residential Group. Inc. ELAP Lab Cede: 11029 Analyte: FIBERS 100 John street NIOSH and AIHA Lab Code: 100273 Date Received: Now York. NY 10038 12(7101 NVLAP Lab Code: 101953 Date Analyzed: 1217!01 SUMMARY OF ANALYTICAL RESULTS - PCM Bst`h# 0113JJ55

Site: 100 John S1 ee4 New Yolk, NY

SAMPLE # COLLECTED DESCRIPTION / LOCATION TIME(min) VOLUME(L) LA8 tJ F1SIFIEL.D RESUL1'S(flcc)

001 Ambient/ Indoor/ PCM/ Piano Room Entrance! 08-December 262 2169.36 20/100 4.004 Lobby A 9700

002 Ambient! Indoor! PCM/ Middle_ _L_eft Side Wall/ 06-December 263 2177.64 6/100 0.001 Between Apartment - PII _._._._._._._._._..._.;16th Floor A 9701

003 Ambient/ Indoor/ PCM/ Front Apartment P11 262 08-oeamber 2169.36 15/100 24th Floor ... ..... A 9702

004 Ambient/ Indoor! PCM/ Front Apartment .-._.-._.. PII ' 265 2194.2 11/100 06-December A 9703 PH ......................

005 Ambient! Indoor! PCM! Between Big Picture and 270 06-December Sofa Lamp! Lobby 2235.6 10/100 0.002 A 9704

006 Ambient! Indoor/ PCM! Middle Right Side Wall/ 289 08-December 2227.32 10/100 4002 Between Apartment_,_._._._._.-._.-._. Pit ;16th Floor A 970$

Sample Analysle b : CLOD = Las then limit of detection which is 5.5 Fibers/ 100 Fields Positive Phase Contrast Microscopy (PCM) VOI01 a H.C.P. (High Concentration of Partiaiee) VOIO2 = Overloaded

All samples analyzed In accordance with the NIOSH 7400 Method using "A- Counting Rules. Issue 2, August 1994 InatrUrnentation: n ~ ~ ~ Olympus PCM Model Bl4-2 with Walton-Beckett Gratioule (bourn field (uameter). C ' Laboratory Director Report Date: December 10, JLC is responsible for only the Mbar counts within the 2001 limitations of the gives only an Index of airborne fibers and provides only an estimate of method described as NIOSH 7400. Among other limitations, this meth these samples are limited in recovery to the cost or analyzing samples.asbestos concentration, Any and all claims arising out et J LC's analyst JLC accepts no other liability and the client agrees to seek no oosts'b the above. Page 7 of 8 y3

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