Environmental assessment request letter, February 2002

NYC 9/11 Public Portal Document

02/20/2002 09:06 FAX l~j 025

JLC ENVIRONMENTAL CONSULTANTS, INC. 20Q Park Avenue South, Suite 1001, New York, New York 10003 Phone: (212) 420-8119 Fax: (212) 420.6062 Project No.: 012158 FLAP Lab Code: 11029 Analyte: FIBERS Insignia Residents( Group, Inc. NIOSH and AtHA Lab Code: 100273 Date Reosived: 10/24101 675 Third Avenue NVLAP Lab Code: 101953 Data Analyzed: 10(24101 /New York, NY 10017 SUMMARY OF ANALYTICAL RESULTS a 01101 4 Site: 100 John Street New York NY

SAMPLE #I COLLECTED DESCRIPTION f LOCATION TIMF(min) VOLUMF(1) FLUIFIELD RFSULTS(f/CC) LAB #

Middle of Lobby/ Left Side of Flowers Jar/ Front 120 1863 4/100 0.001 <LOD 001 23-October Elevators A 8286

Lobby - Left Side of the Front Desk 120 1863 4/100 0,001 <LOO 002 23-October A 8287

003 Middle of Lobby/ Left Side of Flowers Jar/ Front 120 1883 51100 0&1 cLOD 23-October Elevator A 8288

Lobby/ Left Side of the Front Desk 120 1863 6/100 0.001 004 23-Cdober 8289

FIELD BLANK 0/100 005 23 October A 8290

006 FIELD BLANK 01100 23-October A 5291

Sample Analysis by: ¢t.OD s Less than Omit of detection which Is 5.5 Ribers/ 100 Fields VOID(s H.C.P. (nigh Concentration of Pallets) Positive Phase Contrast Microscopy (PCM) VOID2 a Overloaded ad of Sample Preoi,r,tlon snd 1984 M samples analyzed in aooerdaue with the NIOSIa 7400 Method using "A" Counting Ruin. Issue 2, August ` Instrumentation: u m` " "" 3"" Olympus PCM Modal BH-2 with Walton-Beckett Gratioule (100um field diarr~eta'). Laboratory Director Report Date: October 25, 2001 other limitstlons, this JLC is responsible for only the fiber counts within the limitations of the method described as NiOSH 7400. Among method gives only an Index of airborne fibers and provides only an estimate of asbestos concentration. Any and all claims arising outagrees of JLCs analysis of these samples are limited in nary to the cost of analyzing samples JLC accepts no other liability and the ollaM to seek no costs beyond the above. Page 2 of 3

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