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 Lab Code 11029 Analyte FIBERS 675 Third Avenue NIOSH snd 5iHA t’t? Code 100273 Date Received 9/20/01 New York, NY 10017 NVLAP Lab Code 101953 Date Analyzed 9/20/01 Batch #; 0109A643 SUMMARY OF ANALYTICAL RESULTS Site r 100 John Street, New York, NY

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

037 Ambient/ 16th Floor/ Hallway 60 923 130/100 0069 19-September A 6355

038 Ambient/Apartment #1601/ Foyer Area 60 923 53/100 0028 19-September A 6356

039 Ambient/ 15th Floor/ Hallway 60 923 26/100 0.014 19-September A 6357

040 Ambient/ Apartment #1505/ Living Room/ Foyer 60 923 9/100 0005 19-September Area A 6358

041 Ambient/ 14th Floor/ Hallway 60 923 5/100 0 003<LOD 19-September A 6359

042 Ambient/ Apartment #1401/ Foyer 60 923 5/100 0 003<LOD 19-September A 6360

Sample Analysis by <LOD = Less than limit of detection which is 5 5 Fibers/100 Fields VOID1 = 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 Mode' Brl-2 with Waiton-Beckett Graticule (lOOum field clidmetei, Laboratory Director

Report Date: September 20, 2001 JLC IS responsible for only the fiber counts within the limitations of the method described as NIOSH 7400 Among other limitations, this method gives only an index of airtxjrne 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 7 of 8

CONFIDENTIAL, CITY_21MC100_009512810 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000176191