Chain of custody form, 21 West Street, Nov 2001

NYC 9/11 Public Portal Document FEB-28-2002 THU 11 02 AM CLOSINGS 0 ROSE FAX NO. 212 210 6724 P. 08/42

JLC ENVIRUNMI NTAL CONSULTANTS, INC. 10003 200 ParkAvanue South, Suite 1001, New York, New York Phone: (212) 420-8119 Fax (212) 420-6092 i e Project No.: 01.2089003 ELAP Lob Code: 11029 Ariedyte: Pi6Eri5 loeaAsscc1att to Inc, Drito aoo lvod: 1011912001 200, Madison Ave, 5th floor NIOSH and AIHA Lab Cade: 100273 I4VLAP Lob Code: 101953 Date Analyzed: 10119/2001 10010 kleluh #1 0110A752 SUMMARY OF ANALYTICAL RESULTS —__- . 21 110: West Street, New York, NY

SAMPt..E 1 T1ME(min) VOLUME(!) FIBIRFI.D RESULTS(ficc) kiLl»EGTED DESCRIPTION I LOCATION

120 1846 21100 ^0.001<L.©fl 007 Ambient! 20th Floor/ Apt. t20B1 At the North .. A 8048

120 1846 4/100 0.001<LOO. 008 Ambient/ 20th Floor/ Hallway Between Apt. 20 G 18.0otcter and 20 H A 1104;,

120 1846 31100 50.001{LOS 000 Ambient/ 18th Flnnr/ Aril. I B1=! At the North 10Qotober Section of the Living Room A 8050

120 1040 41100 0,001<L9 f 1p Ambient! 18th i-loor! Haliway/ between Apt. 181 1it-Uctober and 18J A 506

120 1846 5/100 0.001<LO q11 Ambient! 14th Floor! Apt. 1461 At the North 18-oMer Section of the Living Room A 8052

120 1846 12/100 012 Ambient! 14th Floor! Hallway Between Apt. 14H ¶5.0c1oher and 14J A ~D53

<LCD Less than limit of detection which is 5,5 Fibers! 100 Fields 50mWIu AnulyslfthyL Y01D1 i{.c.P. t High Conconimbon of Partlnlaa) Pg9ilivs Phase Gentled iWicrosoopy WCM) VOiD2= overloaded e~ Qt, 1a !'.st y+Mil,~: using "Ai Counting Rules. lesua 2, August 1984 All stnpie8 anafyz ti In accordance with the NIOSH 7400 Method (nettiairtefttelii?n: ~" u a c iwa a ~: ~•-~ Lt. diameter). OlyntpLis PCM Modal 8Fl-2 with Wdton'Beoicett Creticulo (1o0Lim flelci Laboratory Director Report Dato: October 23, 2001 this the limitations of the method described as NIOSH 7400. Among other limitations, JL.0 I& fe5poi'~ible flir only the tber counts within provides borne iihsra and only on esti rata of rsbestos concentration. Any and all claims wising out of nwth sI giros only en index of samples. JLC accepts no other liability and the client agrees dl.C`e anetysle of them samples are limited In recovery to the cost of analyzing to seek no coals beyond the above. Fago 2 of 6

NYC-WTC 000094600