Document page fragment, DEP Box 54, 2003

NYC 9/11 Public Portal Document

JLC ENVIRONMENTAL CONSULTANTS, INC. 200 Park Avenue South, Suite 1001, New York, New York 10003 Phone: (212) 420-8119 Fax: (212) 420-6092 Project No.: 03-2744 New York City D.E.P. ELAP Lab Code: 11029 Analyte: FIBERS

S 9-17 Junction Blvd. lushing, NY 11373 NIOSH and AIHA Lab Code: 100273 NVLAP Lab Code: 101953 Date Received: 3/10/2003 Date Analyzed: 3/10/2003 SUMMARY OF ANALYTICAL RESULTS - PCM Batch #: 0303A484

Site: 114 Liberty Street, New York, NY

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

001 During/ Outside Work Area/ Sidewalk on Liberty 720 3650.4 18/100 0.002 10-March Street at 114 Entrance A 7065

002 During/ Outside Work Area/ Inside Restaurant/ 720 3650.4 20/100 0.003 10-March Near North End A 7066

003 During/ Outside Work Area/ Clean Room of 720 3650.4 13/100 0.002 10-March Personnel Decon A 7067

During/ Outside Work Area/ Inside Restaurant/ 720 March 3650.4 5/100 0.001<LOD Near South End A 7068

005 During/ Outside Work Area/ Sidewalk on Cedar 720 3650.4 8/100 0.001 10-March Street at Loading Dock Entrance A 7069

006 FIELD BLANK 10-March 0/100 A 7070

Sample Anai sis b : <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) VOID2 = 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 Walton-Beckett Graticule (100um field diameter). ~'G1 Machhiiwala Laboratory Director

Report Date: March 18, 2003 ,C is responsible for only the fiber counts within the limitat i ons of the method described as method gives only an index of airborne fibers and provides only an estimate of asbestos NIOSH 7400. Among other limitations, this JLC's analysis of these samples are limited in recovery to the cost of analyzing concentration. Any and all claims arising out of samples. JLC accepts no other liability and the client agrees to seek no costs beyond the above. Page 9 of 10

NYC-WTC 000131948