Emission events
Shutdown
Startup
Upset
400k pounds of chemical emissions
When emissions from
machinery spiked during
2021 winter storm Uri …
300k
200k
100k
0
Feb 17
March 1
March 15
March 31
20k monitoring samples collected
15k
10k
… air monitoring sensors
stopped functioning.
5k
0
Feb 17
March 1
March 15
March 31
Emission events
Shutdown
Startup
Upset
400k pounds of chemical emissions
When emissions from
machinery spiked during
the 2021 winter storm Uri …
300k
200k
100k
0
Feb 17
March 1
March 15
March 31
20k monitoring samples collected
15k
10k
… air monitoring sensors
stopped functioning.
5k
0
Feb 17
March 1
March 15
March 31
400k pounds of chemical emissions
Emission events
When emissions from
machinery spiked during
the 2021 winter storm Uri …
Shutdown
300k
Upset
Startup
200k
100k
0
Feb 11
Feb 17
March 1
March 15
March 31
20k monitoring samples collected
15k
10k
… air monitoring sensors
stopped functioning.
5k
0
Feb 11
Feb 17
March 1
March 15
March 31
400k pounds of chemical emissions
Emission events
When emissions from
machinery spiked during
the 2021 winter storm Uri …
Shutdown
300k
Upset
Startup
200k
100k
0
Feb 11
Feb 17
March 1
March 15
March 31
20k monitoring samples collected
15k
10k
… air monitoring sensors
stopped functioning.
5k
0
Feb 11
Feb 17
March 1
March 15
March 31
400k pounds of chemical emissions
Emission events
When emissions from
machinery spiked during
the 2021 winter storm Uri …
Shutdown
300k
Upset
Startup
200k
100k
0
Feb 11
Feb 17
March 1
March 15
March 31
20k monitoring samples collected
15k
10k
… air monitoring sensors
stopped functioning.
5k
0
Feb 11
Feb 17
March 1
March 15
March 31