Interim Baseline Radiological Investigation Report in
Support of the Upton Rare Earth Processing Plant
November 15, 2012
37
Table 8.6. PM
10
Concentrations Measured at Upton Air Monitoring Stations
Location
Start Date
End Date
Filter No.
Filter Weight
(g)
Volume
(scm)
Concentration
(µg m
-
3)
Mean
(µg m
-3
)
Maximum
(µg m
-3
)
% of Standard
a
(Mean)
UAMS-01
6/17/2012
6/18/2012
58683
0.0293
1114.76
26.28
42.53
78.08
28.35
7/10/2012
7/11/2012
58697
0.0840
1075.82
78.08
7/29/2012
7/30/2012
58757
0.0242
1041.79
23.23
UAMS-02
6/26/2012
6/27/2012
58688
0.0515
1342.68
38.36
21.86
38.36
14.58
7/15/2012
7/16/2012
58699
0.0307
1528.29
20.09
8/7/2012
8/8/2012
58765
0.0116
1623.07
7.15
UAMS-04
7/1/2012
7/2/2012
58691
0.1417
1502.44
94.31
53.06
94.31
35.37
7/24/2012
7/25/2012
58755
0.0193
1634.17
11.81
Notes:
a
PM
10
standard is met when the expected number of days per calendar year with a 24-hr average concentration above 150 µg m
-3
is equal to or less than one.
g = grams
PM
10
= particulate matter, diameter less than 10 microns
scm = standard cubic meters
µg m
-3
= micrograms per cubic meter
Table 8.7 PM
2.5
Concentrations Measured at Upton Air Monitoring Stations
Location
Start Date
End Date
Filter No.
Filter Weight
(g)
Volume
(scm)
Concentration
(µg m
-
3)
Mean
(µg m
-3
)
Maximum
(µg m
-3
)
% of Standard
a
(Mean)
UAMS-01
6/19/2012
6/20/2012
58685
0.0038
795.13
4.78
21.72
46.78
144.82
7/8/2012
7/9/2012
58694
0.0509
1087.96
46.78
7/31/2012
8/1/2012
58761
0.0138
1014.32
13.61
UAMS-02
6/24/2012
6/25/2012
58686
0.0179
1252.32
14.29
10.13
14.29
67.51
7/17/2012
7/18/2012
58752
0.0113
1639.29
6.89
8/5/2012
8/6/2012
58763
0.0125
1359.79
9.19
UAMS-04
7/3/2012
7/4/2012
58693
0.0269
1478.65
18.19
13.94
18.19
92.93
7/22/2012
7/23/2012
58754
0.0142
1464.71
9.69
Notes:
a
PM
2.5
standard is less than or equal to 15 µg m
-3
, as an annual arithmetic mean concentration averaged over three years.
g = grams
PM
2.5
= particulate matter, diameter less than 2.5 microns
scm = standard cubic meters
µg m
-3
= micrograms per cubic meter
