NYC-WTC_000176185

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 01-2094 Insignia Residential Group, Inc ELAP Let, Code 11029 Analyte FIBERS 675 Third Avenue NICTP r-.1 Code 100273 Date Received 9/20/01 New York, NY 1001? NVLAP Lob Code 101953 Date Analyzed 9/20/01 Batch #: 0109A643 SUMMARY OF ANALYTICAL RESULTS Site ' 100 John Street, New York, NY

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

007 Ambient/ 3rd Floor/ Hallway 60 923 5/100 0 003<LOD 1 d-September A 6324

008 Ambient/ Apartment #3302/ Living Room Area 60 923 4/100 0.002<LOD 19-September A 6325

009 Ambient/ 32nd Floor/ Hallway 60 923 2/100 0 OOKLOD 19-September A 6326

010 Ambient/ Apartment #3201/ Foyer Area 60 923 5/100 0 003<LOD 19-September A 6327

011 Ambient/ 31st Floor/ Hallway 60 923 5/100 0 003<LOD 19-September A 6328

012 Ambient/ Apartment #3102/ Foyer Area 60 923 6/100 0 003 19-3eplember A 6329

Sample Analysis by <LOD = Less than limit of detection which is 5 5 Fibers/100 Fields VOIDI = H C.P ( High Concentration of Particles) Positive Phase Contrast Microscopy (PCM) 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 Al wanner Olympus PCM Moda BI-i-2 with Walton-Beckett Graticule (tOOum field diameter) Laboratory Director Report Date: September 20, 2001 JLC IS responsible for only the fiber counts vwthin the limitations of the method described as NIOSH 7400 Among other limitations, this method gives only an index of airborne fibers and provides only an estimate of asbestos concentration Any and all claims arising out of JLC's analysis of 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 beyond the above Page 2 of 8

CONFIDENTIAL, CITY_21MC1OO_OO95128O5 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000176186