Table 4A
Lead Wipe Samples
Phase II
New York City Law Department
100 Church Street
New York
Sample ID: LW2001 LW2002 LW2003 LW2004
Lab Sample ID: 0001 0002 0003 4
Sample Date: 3/15/2003 3/15/2003 3/15/2003 3/15/2003
Sample Type; Wipe Wipe Wipe Wipe
Floor: 20 20 20
Inside HVAC Duct Inside HVAC Duct Inside HVAC Duct
Surface Description: Supply Air Supply Air Return Air Field Blank
West Side of N/W Side of 20th Center of North of
Area Description 20th Floor Floor 20th Floor
CONSTITUENTS
LEAD (ug/ft^) <10.0 <10.0 <10.0 N/A
< Indicates less than the limit of quantification.
N/A = Not analyzed
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NYC-WTC_000174512
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NYC-WTC_000174512Source: NYC Law Department, mirrored locally