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Grand Bay Episode March 6, 2007. March 6. March 7. March 6. March 7. March 6. March 7. March 6. March 7. March 6. March 7. March 6. March 7. March 6. March 7. March 6. March 7. March 6. March 7. March 6. March 7. March 6. March 7. March 6. March 7. March 6. March 7. - PowerPoint PPT Presentation
Citation preview
Grand Bay Episode March 6,
2007
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 6 March 7
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 7March 6
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 6 March 7
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 7March 6
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 7March 6
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 7March 6
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 7March 6
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 7March 6
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 7March 6
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 7March 6
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 7March 6
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 7March 6
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 7March 6
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 7March 6
05
:30
AM
07
:30
AM
09
:30
AM
11:3
0 A
M
01
:30
PM
03
:30
PM
05
:30
PM
07
:30
PM
09
:30
PM
11:3
0 P
M
01
:30
AM
03
:30
AM
05
:30
AM
0
50
100
150
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
March 7March 6
additional information regarding this episode
Back trajectories simulated with the NOAA HYSPLIT model using meteorological on a 12 km grid
Trajectories started from the Grand Bay site (marked with a star on the map) at 5 different heights representing different positions in the mixed layer (0.1, 0.3, 0.5, 0.7, 0.9)
Note that the times are represented in UTC (Universal Time Coordinate) which is 6 hours later than Central Standard Time, e.g., 20 UTC = 14:00 Central Standard Time
Large mercury emissions sources are indicated on the map, including:
Wtsn = Watson coal-fired power plant FChm = First Chemical hazardous waste incin /
Chevron refinery PsIn = Pascagoula municipal waste
incinerator Brry = Barry coal fired power plants Danl = Daniel coal fired power plant Hlnm = Holnam cement plant Intl = International Paper ScIt = Scott Paper and International Paper
Additional trajectories immediately before period shown in slides above
Grand Bay “Episode” March 14, 2007
(very low concentrations)
14-Mar-07 15-Mar-07
11:3
0 P
M
01:3
0 A
M
03:3
0 A
M
05:3
0 A
M
07:3
0 A
M
09:3
0 A
M
11:3
0 A
M
01:3
0 P
M
03:3
0 P
M
05:3
0 P
M
07:3
0 P
M
09:3
0 P
M
11:3
0 P
M
01:3
0 A
M
0
10
20
30
40
50
GE
M
(ng/
m3
- 1.
5) *
10
RG
M a
nd F
PM
(pg
/m3) RGM
FPM
GEM
18-Nov-06
12
:30
AM
02
:30
AM
04
:30
AM
06
:30
AM
08
:30
AM
10
:30
AM
12
:30
PM
02
:30
PM
04
:30
PM
06
:30
PM
08
:30
PM
10
:30
PM
010203040506070
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
Grand Bay Episode
Nov 18, 2006
18-Nov-06
12
:30
AM
02
:30
AM
04
:30
AM
06
:30
AM
08
:30
AM
10
:30
AM
12
:30
PM
02
:30
PM
04
:30
PM
06
:30
PM
08
:30
PM
10
:30
PM
010203040506070
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
18-Nov-06
12
:30
AM
02
:30
AM
04
:30
AM
06
:30
AM
08
:30
AM
10
:30
AM
12
:30
PM
02
:30
PM
04
:30
PM
06
:30
PM
08
:30
PM
10
:30
PM
010203040506070
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
18-Nov-06
12
:30
AM
02
:30
AM
04
:30
AM
06
:30
AM
08
:30
AM
10
:30
AM
12
:30
PM
02
:30
PM
04
:30
PM
06
:30
PM
08
:30
PM
10
:30
PM
010203040506070
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
18-Nov-06
12
:30
AM
02
:30
AM
04
:30
AM
06
:30
AM
08
:30
AM
10
:30
AM
12
:30
PM
02
:30
PM
04
:30
PM
06
:30
PM
08
:30
PM
10
:30
PM
010203040506070
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
18-Nov-06
12
:30
AM
02
:30
AM
04
:30
AM
06
:30
AM
08
:30
AM
10
:30
AM
12
:30
PM
02
:30
PM
04
:30
PM
06
:30
PM
08
:30
PM
10
:30
PM
010203040506070
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
18-Nov-06
12
:30
AM
02
:30
AM
04
:30
AM
06
:30
AM
08
:30
AM
10
:30
AM
12
:30
PM
02
:30
PM
04
:30
PM
06
:30
PM
08
:30
PM
10
:30
PM
010203040506070
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
18-Nov-06
12
:30
AM
02
:30
AM
04
:30
AM
06
:30
AM
08
:30
AM
10
:30
AM
12
:30
PM
02
:30
PM
04
:30
PM
06
:30
PM
08
:30
PM
10
:30
PM
010203040506070
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
18-Nov-06
12
:30
AM
02
:30
AM
04
:30
AM
06
:30
AM
08
:30
AM
10
:30
AM
12
:30
PM
02
:30
PM
04
:30
PM
06
:30
PM
08
:30
PM
10
:30
PM
010203040506070
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
18-Nov-06
12
:30
AM
02
:30
AM
04
:30
AM
06
:30
AM
08
:30
AM
10
:30
AM
12
:30
PM
02
:30
PM
04
:30
PM
06
:30
PM
08
:30
PM
10
:30
PM
010203040506070
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
18-Nov-06
12
:30
AM
02
:30
AM
04
:30
AM
06
:30
AM
08
:30
AM
10
:30
AM
12
:30
PM
02
:30
PM
04
:30
PM
06
:30
PM
08
:30
PM
10
:30
PM
010203040506070
GE
M
(ng
/m3
- 1
.5)
* 1
0R
GM
an
d F
PM
(p
g/m
3)
RGM
FPM
GEM
additional information regarding this episode
Back trajectories simulated with the NOAA HYSPLIT model using meteorological on a 12 km grid
Trajectories started from the Grand Bay site (marked with a star on the map) at 5 different heights representing different positions in the mixed layer (0.1, 0.3, 0.5, 0.7, 0.9)
Note that the times are represented in UTC (Universal Time Coordinate) which is 6 hours later than Central Standard Time, e.g., 20 UTC = 14:00 Central Standard Time
Large mercury emissions sources are indicated on the map, including:
Wtsn = Watson coal-fired power plant FChm = First Chemical hazardous waste incin /
Chevron refinery PsIn = Pascagoula municipal waste
incinerator Brry = Barry coal fired power plants Danl = Daniel coal fired power plant Hlnm = Holnam cement plant Intl = International Paper ScIt = Scott Paper and International Paper
Additional trajectories immediately before period shown in slides above
Additional trajectories immediately after period shown in slides above
Grand Bay Episode March 7,
2007
08-Mar-07
03:3
0 A
M
05:3
0 A
M
07:3
0 A
M
09:3
0 A
M
11:3
0 A
M
01:3
0 P
M
03:3
0 P
M
05:3
0 P
M
07:3
0 P
M
09:3
0 P
M
11:3
0 P
M
01:3
0 A
M
03:3
0 A
M
0
10
20
30
40
50
60
70
GE
M
(ng/
m3
- 1.
5) *
10
RG
M a
nd F
PM
(pg
/m3) RGM
FPM
GEM
08-Mar-07
03:3
0 A
M
05:3
0 A
M
07:3
0 A
M
09:3
0 A
M
11:3
0 A
M
01:3
0 P
M
03:3
0 P
M
05:3
0 P
M
07:3
0 P
M
09:3
0 P
M
11:3
0 P
M
01:3
0 A
M
03:3
0 A
M
0
10
20
30
40
50
60
70
GE
M
(ng/
m3
- 1.
5) *
10
RG
M a
nd F
PM
(pg
/m3) RGM
FPM
GEM
08-Mar-07
03:3
0 A
M
05:3
0 A
M
07:3
0 A
M
09:3
0 A
M
11:3
0 A
M
01:3
0 P
M
03:3
0 P
M
05:3
0 P
M
07:3
0 P
M
09:3
0 P
M
11:3
0 P
M
01:3
0 A
M
03:3
0 A
M
0
10
20
30
40
50
60
70
GE
M
(ng/
m3
- 1.
5) *
10
RG
M a
nd F
PM
(pg
/m3) RGM
FPM
GEM
08-Mar-07
03:3
0 A
M
05:3
0 A
M
07:3
0 A
M
09:3
0 A
M
11:3
0 A
M
01:3
0 P
M
03:3
0 P
M
05:3
0 P
M
07:3
0 P
M
09:3
0 P
M
11:3
0 P
M
01:3
0 A
M
03:3
0 A
M
0
10
20
30
40
50
60
70
GE
M
(ng/
m3
- 1.
5) *
10
RG
M a
nd F
PM
(pg
/m3) RGM
FPM
GEM
08-Mar-07
03:3
0 A
M
05:3
0 A
M
07:3
0 A
M
09:3
0 A
M
11:3
0 A
M
01:3
0 P
M
03:3
0 P
M
05:3
0 P
M
07:3
0 P
M
09:3
0 P
M
11:3
0 P
M
01:3
0 A
M
03:3
0 A
M
0
10
20
30
40
50
60
70
GE
M
(ng/
m3
- 1.
5) *
10
RG
M a
nd F
PM
(pg
/m3) RGM
FPM
GEM
08-Mar-07
03:3
0 A
M
05:3
0 A
M
07:3
0 A
M
09:3
0 A
M
11:3
0 A
M
01:3
0 P
M
03:3
0 P
M
05:3
0 P
M
07:3
0 P
M
09:3
0 P
M
11:3
0 P
M
01:3
0 A
M
03:3
0 A
M
0
10
20
30
40
50
60
70
GE
M
(ng/
m3
- 1.
5) *
10
RG
M a
nd F
PM
(pg
/m3) RGM
FPM
GEM
08-Mar-07
03:3
0 A
M
05:3
0 A
M
07:3
0 A
M
09:3
0 A
M
11:3
0 A
M
01:3
0 P
M
03:3
0 P
M
05:3
0 P
M
07:3
0 P
M
09:3
0 P
M
11:3
0 P
M
01:3
0 A
M
03:3
0 A
M
0
10
20
30
40
50
60
70
GE
M
(ng/
m3
- 1.
5) *
10
RG
M a
nd F
PM
(pg
/m3) RGM
FPM
GEM
08-Mar-07
03:3
0 A
M
05:3
0 A
M
07:3
0 A
M
09:3
0 A
M
11:3
0 A
M
01:3
0 P
M
03:3
0 P
M
05:3
0 P
M
07:3
0 P
M
09:3
0 P
M
11:3
0 P
M
01:3
0 A
M
03:3
0 A
M
0
10
20
30
40
50
60
70
GE
M
(ng/
m3
- 1.
5) *
10
RG
M a
nd F
PM
(pg
/m3) RGM
FPM
GEM
08-Mar-07
03:3
0 A
M
05:3
0 A
M
07:3
0 A
M
09:3
0 A
M
11:3
0 A
M
01:3
0 P
M
03:3
0 P
M
05:3
0 P
M
07:3
0 P
M
09:3
0 P
M
11:3
0 P
M
01:3
0 A
M
03:3
0 A
M
0
10
20
30
40
50
60
70
GE
M
(ng/
m3
- 1.
5) *
10
RG
M a
nd F
PM
(pg
/m3) RGM
FPM
GEM
08-Mar-07
03:3
0 A
M
05:3
0 A
M
07:3
0 A
M
09:3
0 A
M
11:3
0 A
M
01:3
0 P
M
03:3
0 P
M
05:3
0 P
M
07:3
0 P
M
09:3
0 P
M
11:3
0 P
M
01:3
0 A
M
03:3
0 A
M
0
10
20
30
40
50
60
70
GE
M
(ng/
m3
- 1.
5) *
10
RG
M a
nd F
PM
(pg
/m3) RGM
FPM
GEM