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Document / 86 pages

Chain of custody form, 21 West Street, Nov 2001

Machine-extracted title · confidence 95%

Multi-page chain of custody document tracking the handling of samples collected from 21 West Street.

NYC-WTC_000094592–000094677

Folder label: “21 WEST STREET Block: 15 Lot: 22

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Scanned page image, NYC-WTC_000094611
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NYC 9/11 Public Portal Document FEB-28-2002 THU 1109 AM CLOSINGS 0 ROSE FAX NO. 212 210 6724 P. 19/42

JLC ENVIRONMENTAL CONSULTANTS, INC. 200 Park Avenue South, Suite 1001, New York, New York 10003 •i Phone; (212) 420.6119 Fax. (212) 420.6092 ..1 Project No.; 01-2089004 Posh Asr:ocl:ites Inc, ELAP Lab Code: 11029 Anatyte: FIBERS 900 Madison Ave. 5th Floor NIOSH and AIHA Lab Code: 100273 Date Received: 1012512001 tlew York, NY 10016 NVLAP Lab Code: 101853 Dale Analyzed: 10/25/2001 ( Satch #: 0110A®24 SUMMARY OF ANALYTICAL RESULTS - ,...1 .. .. - — Sts; West Street, New York, NY - I „. ,, . ..... . ... 21 J

COLLECTED DESCRIPTION I LOCATION TIME(ntin) VOLUNE(l) F181FIELD RESULTS(flcc) re 1 AIRltt

'1 025 FIELD BLANK 01100 24.00tebor s f, A 8328

026 FIELD BLANK 01100 •Octabnr A 8329

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sampeo Malyal,R by: <LOD = Less than limit of detection which is 5.5 Fibors/ 100 Fields VolUl = I i.c.; F. ( High concentration of reroutes) Positive Phooa contrast Microscopy (PCM) s. VA1D2 - Overloaded e Miltls" gi uai9.E.ria slaan# Alualy All samples ornelyzed in accordance with th,s NIOSH 7400 Method using'A Counting Rules, Issue 2, August 19941 lnafturncnt,?dolt: oi.. Ld i3fn :~ imutui Qli rn us PCM Medel RH-2 with Waltnn- ookeIt Grestioule t100um field diemeterl, y Latruratur DL e~:lvr Rt%pnrt f)Atr: NrivramihRr N, 2(11'11 JI.Q is reaporislhle for only the fiber counts wiuun the limitations of the method described as NIOSH 7400. Among other lirnilfatiorls, this metho givoq only an index of nlrbomo fiber✓ and provldos only on o;tirnute of twbcotoa concentration. My and all claims arising oW of JLO's anBly .h these samples are limlfrd In recovery to the cost of snaiyrinb samples. JLC accepts no other liability and the client agrees to seek no costs bi l' the bovo. Page5of6

NYC-WTC 000094611

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NYC-WTC_000094611Source: NYC Law Department, mirrored locally

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