NYC 9/11 Public Portal Document
02/20/2002 09:23 FAX Ij 055
JLC ENVIRONMENTAL CONSULTANTS, INC.
200 Park Avenue South, Suite 1108, New
York, New York 10003
Phone: (212) 420-8119 Feu: (212) 420.6092
The Renaleaunce Project No.-
c--o Insignia Residential Group, Inc. 01.2228
ELAP Lab Coda: 11029 Analyte: Airborn Particulate
100 John Street
New York, NY 10038 NIOSH and AIHA Lab Code. 100273 Date CoUeoted: 1217/01
NVLAP Lab Code: 101953 Date Raveivedp 1200101
Date Analyzed: 1210/01
Site: 900 John Street, New York NY
Summary of Analytical Results - Particulates (Dust)
SAMPLE a
LOCATION I DESCRIPTION VOLUME
LAB IS PLOD CONCENTRATION
( trig / m3) l m3)
01 Ambient/ Indoor! Dust/ Piano' Room! Entrance 399 0.38
240 Lobby
02 Ambient/ Indoor/ Dust/ Middle Left Side W811/ 399
241 Between Apartment ;_ _ _ _.Pii 16th Floor 045
03 Ambient! Indoor/ Dust/ Front Apartment- plI ' 24th 397.5 0,50
242 Floor -.-.- -.-
04 Ambien---Indoor! Dust/ Front Apartment pII 394,5
243 Pu 0.43
05 Ambient/ Indoor/ bust! Between Big Picture and 393
244 Sofa Lamp/ Lobby 0.48
06 Ambient! Indoor/ Dust/ Middle Right Side 381.5
245 Well/Between Apartment[ Pii 0.36
;15th Floor
07 Ambient! Indoor/ Dust/ Front Apartment _P I. 24th 393
248 Floor - 0.38
Sammie Ansivrsla 'PLOD = Petfonnance 8mit of detection, which is 0.2 mgt air volume (>).
Analytical Balance
,Method of Sampia Pro and Analysis
All samples were prepared and analyzed in accordance with the National institute
of Occupational Safety and Health (NIOSH) Method 0500 02/18184,
lnstmmmritalicei
Denver A-200D8, with resolution at 0.01 mg.
Gulem Machhlwala
Laboratory Director
OSHA Permissible Exposure Limit (PEL) for tots! Nuisance Dust is a mg/m3
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