Chain of custody form, 21 West Street, Nov 2001

NYC 9/11 Public Portal Document

FEB-28-2002 THU 1103 AM CLOSINGS 6 ROSE FAX NO. 212 210 6724 P. 09/42

A' JLC ENVIRONMENTAL CONSULTANTS, INC. New York 10003 200 Park Avenue South, Suite 1001, New York, Phone: (212) 420.8119 Fate (212) 420-6092 v Project No.: 01-2789003 FLAP Lab Code: 11029 Anaiyte: FIa3ER5 Ruse Aasor:ialtas Inc, uate Necerved: 11N1W UU1 200 Madison Ave. Sib Floor Ni0SH and AIHA Lab Code' 100273 NVLAP Lab Code: 101963 Date Analyzed: 10/19/2001 P4 York, N'1 10018 Batch 0: 0110A7a'12 SUMMARY OF ANALYTICAL RESULTS Sitar: L---- 21 West Street, New York, NY _ ...............1

5 , QAMPLIR COLLECTED DESCRIFTION I LOCATION TIME(min) VOLUMt:(9) FIBtflELD RESULTS(ftcc) L,RA if

120 1848 21100 <0. d1 <t=UD 111 Ambient111 th Floor! Apt.11 E/ Al the Notch "' 4r r' 1 eC ono e v ng cam $054

120 1846 21100 50.001<t Ob 014 Ambient! 11th Floor/ Hallway Between Apt. 11H ~' a Lyi tower and Apt. 11J

178 I R4fi 21100 c0.001 ~LOQ ;F{ 016 AmblenU 9th Floor/ Apt. 9C At the North Section o { *Qctober the Living Room A 8056

120 184E 61100 0.002 016 Ambient/ 9111 Floor/ Hallway Between Apt. 8H and 18-c~ctober 93 hl A 6057

120 1846 51100 017 Ambient/ 8ih Floor! Apt. BE/ At the North Section ;a3-C;R1utar of Urn Living Ruuni A St16S

120 1846 711170 0.002 U1.8 . Ambient/ 8th Ftoorl Hallway Between Apt_ 8H and 18Qototwr LI A W% '.e

..... CLOD =Less than limit or detection which is 5.5 Fibers!100 Fields $almpl0 Analynie by —r YQ{o1 PLC.F. (High Qoncentraiion br Aartacaeal • t'roslliva Pheas ContrestMicroscoPy (PCM) voin2 = overloaded M $91: Ul1p;I d ration Ar1d Anaaysla: Counting Rules, issue 2, August 1994 All asntples aarie> e4 in accordunce with the NIOSH 7400 Method using "A" G~1~d1~'ti inetrwnan f.Ibni u >am a wa a Olympia PCM Modes Etc-2 with Welton•Rockett Gra(icuie (130m held diameter). Laboratory Director Repoli Date: October 23, 2001 NIOSH 7400, Among other limitations, this the method described as JL0 Is reaponsble for only the fiber counts within the limitations or ootamela at seboctoc conaentretlon_ Any and all claims ailsine Out of nlathod irap only en index of aUlmme fibco and providoa only CO the cost or anetyaing samples. JL0 accepts no other liability and the client agrees )W analyela of tiles* samples we limited in recovery to to seek no costs beyond the above. Page 3 of 5

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