NYC 9/11 Public Portal Document
02/20/2002 09:21 FAX l i 052
JLC ENVIRONMENTAL CONSULTANTS, INC.
200 Park Avenue South, Suite 1106, New York, New
York 10003
Phone: (212) 420-8119 Fax: (212) 420-6092
The Renaissance Project No.: 012226
do Insignia Reeidentlat Group, Inc.
ELAP Lab Code: 11029 Analyte: Airbom Pa4lcatate
100 John Street
New York, NY 10038 N105H and AlMA Lab Code: 100273 Data Collected: 1215/200
NVIAP Lab Code; 101963 Date Received: 12NM1200
Date Analyzed: 121=00
Site: 100 John Street, New York, NY
Summary of Analytical Results - Particulates (Dust)
SAMPLE 0 LOCATION 1DESCRIPTION VOLUME PLOb * CONCENTRATION
LAB #
(mg/m3) (mg/m3)
08 A_mbient iri,Door/ Dust Between Elevators 3 and 4/ 391.5
232 0.31
Pl1
09 FIELD BLANK
233 <0.01 mg/Filter
10 FIELD BLANK
<0.01 mg/Filter
234
SamvleAnd ormance limit volume .
Analytical Balance
Method of Sample Preparation and Analysis
All samples were prepared and analyzed In accordance with the National Institute of
Occupational Safety and Health (NIOSH) Method 0500 02115/84.
Instrumentation:
Denver A20008, with resolution at 0.01 mg.
Gulam Machhiwala
Laboratory Director
OSHA Permissible Exposure Limit (PEL) for total Nuisance oust is 5
rig/m3
Disclaimer The above samples wars not collected by JI.0 Environmental
maintenance. JLC reifies on the client for all samples Information prior to Consultants, Inc. and thus accepts no liability with regard to their collection
delivery at JLC.
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