Environmental assessment request letter, February 2002

NYC 9/11 Public Portal Document

02/20/2002 09:07 FAX l I027

JLC ENVIRONMENTAL CONSULTANTS, INC. 200 Park Avenue South, Stye 1001, New York, New York 10003 Phone: (212) 420-8119 Fax: (212) 420-6092 Project No.: 01-2158 Insignia Residents! Group, Inc. ELAP Lab Code: 11029 Analyse: FIBERS '675 Third Avenue NIOSH and AIHI Lab Code; 100273 Date Received: 10/25/01 UNew York, NY 10017 NVLAP Lab Code: 101953 Date Analyzed: 10125/01 Rauh#: 011CA823 SUMMARY OF ANALYTICAL RESULTS Site: 100 John Street, New York, NY

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

001 Lobby - Left Side of Front Desk 120 1883 51100 0.001 <LOD 24-Odober A 8298

002 Middle Lobby - Left Side of Flowers Jar - Front 120 1863 61100 24-October Elevators A 8299

- 003 Lobby - Left Side of Front Desk 120 1863 5/100 0.001 <LOD 24-October A 9300

004 Middle Lobby - Left Side of Flower's Jar - Front 120 1863 4/100 0.001 <LOD ~24-O r Elevator A 8301

005 FIELD BLANK 01100 24-October A 8302

006 FIELD BLANK 0/100 240dober A 8303

Sample Analysis by: CLOD m Less than Iiml of detection which IS 5.5 Fibers!100 Fields Positive Phase Contrast Microscopy (PCM) VOIDI m H.C.P. (High Concentration of Particles) V0102 Overloaded g of Samole Preoanatlon and Analysis: All samples analyzed In accordenos with the NIOSH 7400 Method using R Counting Rules. issue 2, August 1994 Instntmentatfon: Gin.,..Z.n.•.t .Ji~ Olympus PCM Model BH2 with Walton-BackedGraticula (100um geld diameter). U Sim a Laboratory Director Report Date: October 25, 2001 JLC Is rsaponaible for only the lfber counts within the limitations of the method described as NIOSH 7400. Among other anitstions, this \..J method gales only an index of airborne hers and provides only an estimate of asbestos oonoentrndon. 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 1 of 1 L -7

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