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 NICLH and AiHA L2f Code 10Q273 Date Received 9/20/01 New'^nrk NY 10017 WLAP Lab Code 101953 Date Analyzed 9/20/01 Batch #: 0109AM3 SUMMARY OF ANALYTICAL RESULTS Site ' 100 John Street, New York, NY L.

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

043 FIELD BLANK 0/100 19-September A 6361

044 FIELD BLANK 0/100 19-September A 6362

045 f:eld blank 0/100 19-September A 6363

046 FIELD BUXNK 0/100 19-September .. 6364

047 FIELD BLANK 0/100 19-September A 6365

Sample Analysis by <LOD = Less than limit of detection which is 5 5 Fibers' 100 F'eids 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 Wallner Olympus PCM Mode' BH-2 with Walton SecKer. Graticule (lOOum field diameter) 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 airborne fibers and provides only an estimate of asbestos concentration Any and all claims ansing out of JLC's analysis of these samples are limited in recovery to the cost of analyzing samples JLC accepts no other lability and the client agrees to seek no costs beyond the above Page 8 of 8

CONFIDENTIAL, CITY_21MC100_009512811 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000176192