NYC 9/11 Public Portal Document
02/20/2002 09:20 FAX 9050
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.: 01-2228
c/o Its ignia Residential Group, Inc.
ELAP Lab Code: 19020 Attalyte: Airborn Particulate
100 John Street
New York, NY 10038 NIOSH and AIHA Lab Code: 100273 Date Cdfected 12/4/01
NVLAP Lab Code: 101963 Date Received: 12/501
Date Analyzed: 1215101
Site: 100 John $ft~e4 New York, NY
Summary of Analytical Results - Particulates (Dust
SAMPLE a
LOCATION I DESCRIPTION VOLUME PLOD *
LABS CONCENTRATION
(nV 1 m3) (mg l m3 )
08 Ambient!_._._.
34~ ._.
Floor! West of Corridor! Near 375 0.19
2226-08
09 FIELD BLANK
2226-09 <0.01 mg/Filter
10 FIELD BLANK
2226-10 <0.01 mg/Filter
Sample AxIfto t1g, * PLOD - Performance limit of detection, which IS 0.2 mg/ air volume (I).
Analytical Balance
Method of Semplo ,end AhnIys
All samples were prepared and analyzed in accordance with the National Institute of
Occupational safety and Health (NIOSH) Method 0500 02/15/84.
In ur fe n
Denver A-20005, with resolution at 0.01 mg.
Gulam Maohhiwala
Laboratory Director
OSHA Permissible Exposure Limit (PEL) for total Nuisance Dust Is 5 mg/m3
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S-Q
NYC-WTC 000123847
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