2 SOUTH END AVENUE Block: 16 Lot: 7511 BIN: 1082813

NYC 9/11 Public Portal Document

02-15-2002 05:18pm From-000PER SQUARE +12126348920 T-521 P.006/010 F-791 JLC ENVIRONMENTAL CONSULTANTS, INC. 200 Perk Avenue South Suite 1001, New York, New York 10003 Phone: (212) 420-8119 fax. (212) 420-6092 Project No.; 01-2+04 Cooper Square Realty EL.AP L.$ Coax; 11029 Analyte: FIBERS eEast 43rd Street NI..SH 3 1 e l> C xla: 100271 n

Loot Data Received' 9.25101 N'V AP LL Code: 101953 Date Andlyre0: 9/25!ol New York, NY 10017 Balch a10'A666 SUMMARY OF ANALYTICAL RESULTS Site: 2 South End Avenue, M w York, NY

SAMPLE 0 COI-I.ECTIFD DESCRIPTION I LOCATION TIME(min) VOLUME(I) FIBIFIELO RESULTS(tice) LA8 9

007 Ambient/ 8th Floor/ Apartment #PII i. 120 1847 2/100 <0.001<LOD 24-S(optamber A 6474

008 Ambient/ 7th Floor/ Hallway 120 1847 2/100 <0.001<LOD 24-September A 6416

009 Ambient! 7th Floor/ Apar rnent PII 120 1847 3/100 <0.001< . D _._._._.. 24-September A 6476

010 Ambient/ 7th Floor/ Apartment # Pill. 120 1847 6/100 0.002 24-September A 6477

011 Ambient/ 7th Floor/ Apartment 0, PII 120 1847 3/100 <0.001<LOD L._._._._. 24-September A 6478

012 Ambient! 6th Floor/ Apartment PII 120 1847 3/100 <0.001<LQQ 24-September A 6479

9am.P0 anaysis by; ' LOD = Lea s than limit of detection which t6 5.5 Flbers/ 100 Fle$'4 VOD1 H., : High Concentration of Particles) Positive Phase Contrast WiorOscapy (PCM) I V0102=01 ,d Method of Samals PreL>.gr tigfjnOAntlIYaa. All samples analzsd in accordance with the NIOSH 7400 Method usirg 'A" Ccjrflirq RL ss. I sue 2, A ust 1294

Instrumentation: Cr Clympuc PCM Moaot BH-2 with Walton-Beckett Graticu,e t1vv"um tk,td dibinwer}. Laboratory Director Report Date: September 25, 2001 JLC reepottsible for y the fiber counts is o within the of tho limfafiens dcccriben NIOSH 7400. Among other timdMabons, this memos mothod as

given only CO IndCX of airborne fibers and provides only un estimate of asbectoc coneent lion. Any and all claims arising out of JLC's analysis of these samples are limited in recovery to the cost of analyzing samples. JLC aeceptb no .9her Ilatlilty and the client agrees to seek no coats beyond the above. Page 2 of 6

NYC-WTC 000121049