NYC 9/11 Public Portal Document
JLC ENVIRONMENTAL CONSULTANTS, INC.
200 Park Avenue South, Suite 1001, New York, New York 10003
Phone: (212) 420-8119 Fax: (212) 420-6092
Project No.: 03-2744
New York City O.E.P. ELAP Lab Code: 11029 Analyte: FIBERS
17 Junction Blvd. NIOSH and AIHA Lab Code: 100273 Date Received: 3/30/2003
ushing, NY 11373 NVLAP Lab Code: 101953 Date Analyzed: 3/30/2003
Batch #: 0303A682
SUMMARY OF ANALYTICAL RESULTS - PCM
Site: 114 Liberty Street, New York, NY
SAMPLE #
COLLECTED DESCRIPTION I LOCATION TIME(min) VOLUME(L) FIBIFIELD RESULTS(f/cc)
LAB#
061 2nd Floor/ IWA/ Weight Watchers Office/ 360 3650.4 4/100 0.001
29-March Opposite Elevator/ East Side
A 9508
062 2nd Floor/ IWA/ Weight Watchers Mini Offce/ By 360 3650.4 4/100 0.001
29-March Liberty Street/ North Side
A 9509
063 2nd Floor/ IWA/ Weight Watchers Rear End 360 3650.4 5/100 0.001
29-March Office/ North Side
A 9510
64 2nd Floor/ IWA/ Weight Watchers Rear End 360 3650.4 7/100 0.001
Marc, Office/ South Side
A 9511
065 2nd Floor/ IWA/ Weight Watchers Rear End 360 3650.4 5/100 0.001
29-March Office/ West Side
A 9512
Sample Analysis by: <LOD = Less than limit of detection which is 5.5 Fibers/ 100 Fields
VOID1 = H.C.P. ( High Concentration of Particles)
Positive Phase Contrast Microscopy (PCM) VOID2 = Overloaded
Method of Sample Preparation and Analysis:
All samples analyzed in accordance with the NIOSH 7400 Method using ".4" Counting Rules. Issue 2, August 1994
'
Instrumentation:
G11sy3 Machhiwala
Olympus PCM Model BH-2 with Walton-Beckett Graticule (100um field diameter). Laboratory Director
Report Date: April 15, 2003
• JLC is responsible for only the fiber counts within the limitations of the method described as NIOSH 7400. Among other limitations, this
method gives only an index of airborne fibers and provides only an estimate of asbestos concentration. 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.
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