NYC 9/11 Public Portal Document
Table 4
Ongoing Air Monitoring
New York City Law Department
100 Church Street
New York
Sample ID : TDMFB01 TDM0402 TDM0503 TDM0604 TDMR05
Lab Sample ID : OSHA 1 2 3 4 5
Sample Date : Permissible 6/7/2002 6/7/2002 6/7/2002 e/7/2002 6/7/2002
Start Time: Exposure Limit 10:40 10:45 10:50 10:57
Sample Type ; (PEUmo/m^ Air Air Air Air Air
Floor: 4 5 6 Roof
Location: Field Blank Room 4-133 Room 5-241 Room 6-125 By Exit C
CONSTITUENTS
TOTAL METALS (mg/m’)
Aluminum 5 <0.005 U <0.00595 U <0.00595 U 0.00705 <0.00595 U
Antimony <0,001 U <0.00119 U <0.00119 U <0.00119 U <0.00119 U
o Arsenic <0,0004 U <0.000476 U <0.000476 U <0.000476 U <0,000476 U
o Barium
z <0.005 U <0.00595 U <0.00595 U <0.00595 U <0.00595 U
Beryllium <0,0002 U <0.000238 U <0,000238 U <0.000238 U <0.000238 U
o
m Cadmium <0,0002 U <0,000238 U <0.000238 U <0.000238 U <0.000238 U
Calcium <0.05 U <0.0595 U <0.0595 U <0.0595 U <0.0595 U
Chromium <0.0005 U <0.000595 U <0.000595 U <0.000595 U 0.000604
co Cobalt <0.0005 U <0.000595 U <0.000595 U <0.000595 U <0.000595 U
CD Copper <0.001 u <0.00119 U <0.00119 U <0.00119 U <0,00119 U
m Iron <0.005 U <0.00595 U <0.00595 U <0.00595 U <0.00595 U
O
Lead <0.0005 U <0.000595 U <0,000595 U <0.000595 U <0.000595 U
O Magnesium <0.05 U <0.0595 U <0.0595 U <0.0595 U <0.0595 U
Manganese <0.00075 U <0.000893 U <0.000893 U <0.000893 U <0.000893 U
□J
O Nickel <0.0001 U <0.000119 U <0.000119 U <0.000119 U <0.000119 U
m Potassium <0.05 U <0.0595 U <0.0595 U <0.0595 U <0,0595 U
O
Selenium <0.001 U <0.00119 U <0.00119 U <0.00119 U <0.00119 U
m Silver <0.0005 U <0.000595 U <0.000595 U <0,000595 U <0.000595 U
O Sodium <0.05 U <0.0595 U <0,0595 U <0.0595 U <0.0595 U
□J Thallium
O <0.0005 U <0.000595 U <0.000595 U <0,000595 U <0.000595 U
m Vanadium <0.0005 U <0.000595 U <0.000595 U <0.000595 U <0.000595 U
z Zinc <0.001 U <0.00119 U <0.00119 U <0.00119 U <0.00119 U
p
N
CO U = Analyzed for but Not Detected
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Customer-Focused Solutions
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NYC-WTC_000177298
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