Facility Profile

CENTURY ALUMINUM OF KENTUCKY
CENTURY ALUMINUM CO
Facility Summary
1627 STATE RT 3543, HAWESVILLE, KY, 42348 (HANCOCK)
In 2022, this facility made toxic releases of:
- Concern to the air
- Onsite air release of Clean Air Act chemicals
- Onsite release Persistent bioaccumulative toxic substance (PBTs)
- Onsite release of known carcinogens
This facility reported the following greenhouse gas releases for 2022:
18-month enforcement and compliance history summary for this facility:
Facility: No Violation Identified
Clean Air Act: No Violation Identified
Clean Water Act: No Violation Identified
Resource Conservation and Recovery Act : No Violation Identified
Total Penalties: $0
Last Penalty: 09/11/2018
2022 Toxic Substance Releases
Substance Total
(lbs)
Air
(lbs)
Water
(lbs)
Land
(lbs)
UnInj
(lbs)
Offsite
(lbs)
CARBONYL SULFIDE
CASRN: 463-58-1
282,827.00 282,827.00 0.00 0.00 0.00 0.00
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
HYDROFLUORIC ACID
CASRN: 7664-39-3
140,904.00 140,904.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
NAPHTHALENE
CASRN: 91-20-3
74,266.00 74,266.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
POLYCYCLIC AROMATIC COMPOUNDS (TRI CATEGORY)
CASRN: N590
8,122.10 5,732.00 0.00 0.00 0.00 2,390.10
This is a persistent bioaccumulative toxic substance (PBTs). (Source: U.S. EPA Toxics Release Inventory (TRI))
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
NICKEL
CASRN: 7440-02-0
2,293.00 2,293.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
BENZO[G,H,I]PERYLENE
CASRN: 191-24-2
492.90 203.00 0.00 0.00 0.00 289.90
This is a persistent bioaccumulative toxic substance (PBTs). (Source: U.S. EPA Toxics Release Inventory (TRI))
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
CHROMIUM
CASRN: 7440-47-3
377.00 375.00 0.00 0.00 0.00 2.00
Substance Total Air Water Land UnInj Offsite
LEAD COMPOUNDS
CASRN: N420
296.00 269.00 0.00 0.00 0.00 27.00
Substance Total Air Water Land UnInj Offsite
MERCURY COMPOUNDS
CASRN: N458
18.80 18.00 0.00 0.00 0.00 0.80
This is a persistent bioaccumulative toxic substance (PBTs). (Source: U.S. EPA Toxics Release Inventory (TRI))
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite