80 JOHN STREET; Block: 68 Lot: 33 BIN: 1001115 19-25 Gold Street, 25-27 Platt Street

NYC 9/11 Public Portal Document

1JEC.'14.2001 12:38PM JLC ENVIRONMENTAL NO.449 P.7•. .. • LC ENVIRONMENTAL CONSULT, ...TS, INC. 200 Park Avenue South, Suite 1001, New York, New York 10003 Phone: (212) 420-8119 Fax: (212) 420-6092 Project No.: 01-2240 WSA Management FLAP Lab Code: 11029 Analyte: FIBERS 100 Ring Road West NIOSH and AIHA Lab Code: 100273 Date Received: 12/13/01, Garden City, NY 11530 NVLAP Lab Code: 101953 Date Analyzed: 12/13/01

SUMMARY OF ANALYTICAL RESULTS - PCM Batch #: 0112AS70

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SAMPLE# COLLECTED DESCRIPTION / LOCATION TIME(min) VOLUME(L) FIB /FIELD RESULTS(f/cc) LAB#

007 Ambient/ 6th Floor/ Corridor/ South Side With 95 1427.8 2/100 <0.001<LOD 13-December South Wall A 9870

008 Ambient/ 6th Floor/ Corridor/ North Side With 95 1427.8 3/100 0.001<LOD 13-December North Wall A 9871

4i 009 FIELD `BLANK - 0/100 13-December A 9872

010 FIELD BLANK 0/100 13-December A 9873 ;.

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Sample Analysis by: <LOD = Less than limit of detection which Is 5.5 Fibers/ 100 Fields Positive Phase Contrast Microscopy (PCM) VOIDI = H.C.P. (High Concentration of Particles) V0102 z Overloaded Method of Sample Preparation and Analysis: All samples analyzed In accordance with the NIOSH 7400 Method using "A" Counting Rules. Issue 2, August 1994 Instrumentation: Olympus PCM Model BH-2 with Welton-Beckett Graticule (100um held diameter), r' ac 1wa a Laboratory Director Report Date: December 13, 2001 JLC Is responsible for only the fiber counts within the limitations of the method described as NIOSH 7400. Among other limitations, this meth' gives only an index of airborne fibers and provides only an estimate of asbestos concentration. Any and all claims arising out of JLC's analyst these samples are limited In recovery to the cost of analyzing samples. JLC accepts no other liability and the client agrees to seek no costs b the above. Page 2 of 2

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