Chain of custody form, 21 West Street, Nov 2001

NYC 9/11 Public Portal Document FEB-28-2002 THU 11:20 AM CLOSINGS 0 ROSE FAX NO. 212 210 6724 P. 39/42 JLC ENVIRONMENTAL CONSULTANTS, INC. 200 Park Avenue South, Suite 1001, New York, Now York 1000$ Phone: (212) 420 8110 Fox: (212) 420-6002 Project No., 01-2089 Rse Aagncl^,ilos ELAP Lab Code: 11020 Analyto: FIBERS 20 Ma son Avonui NIOSH and AU-IA Lab Code: 100273 pate Received: 9117/011 New Ycrk, NY 1O01ti.3901 NVLAP Lab Code: 101053 pate Analyzed: 0118/01 SUMMARY OF ANALYTICAL RESULTS 620th#: n1esaatin Site: --- -'_— 21 West Street, NewYa4; NY _- _y

SAMPI.F # Cgf.1.6CTED DESCRIPTION I LOCATloN TIME(min) VCLUMC(I) Ftp1PiELb REZULT9(f/cc) ~.AAI3#

007 FIELD BLANK 01100 17•Septennber E A '5229

006 fIELD BLANK 0f100

A 0230

57arlplo Apply^is by: cLOD r Less than limit or detection which is 5.5 Fibers! 100 Fields Positive Nam Contrast Microscopy (PCM) VOID1 a H.C.P. ( High Concentration of Particles) VOtD2 = Ovorloaded M.n 1n;)nf sampl! J[. (l flçIAfl iyc49~ All oaic+lafr,;, onn'y.sd In A000rdonoo with Iho l'IO$H 7400 Method wing "A" Counting Rules. leave 2, August 1994 irirtrui c:ntrliort. ►~,______ ,f Qlylripi13 fCM Model OH 2 with Walton•Oeokt tt Graticule (100unt field diameter), Al r nnF Laboratory Director Report Date: Septembor 18, 'or" •f Is responsible for only the fiber taunts within the limitations of the rnothod descrlbsd as NIOSH 7400. Among other limitations. this moth hives only an lndax of airbnrne nbArs and provides only an estirnate of asbestos concentration. Any and all cl;Iimc:arUdnO Al it of JLC's analyst (heri samples aro ilmltod In recovery to the post of analyzing samples, JLC accepts no other liability and the client agrees to seek no costs b tho above.

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