Facility Profile

DIODES US MANUFACTURING INC
DIODES INC
Facility Summary
333 WESTERN AVE, SOUTH PORTLAND, ME, 04106 (CUMBERLAND)
In 2022, this facility made toxic releases of:
- Concern to the air
- Onsite air release of Clean Air Act chemicals
- Onsite release of known carcinogens
This facility reported the following greenhouse gas releases for 2022:
- 3.00 metric tons of Methane (CH4)
- 231.25 metric tons of Nitrous Oxide (N2O)
- 6,553.90 metric tons of Carbon Dioxide (CO2)
- 2,529.32 metric tons of HFCs (HFC)
- 2,660.00 metric tons of Other Fully Fluorinated GHGs (Other_Full)
- 2,956.68 metric tons of Nitrogen Triflouride (NF3)
- 3,116.76 metric tons of Sulfur Hexafluoride (SF6)
- 9,764.48 metric tons of PFCs (PFC)
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: $209,090
Last Penalty: 12/17/2020
2022 Toxic Substance Releases
Substance Total
(lbs)		 Air
(lbs)		 Water
(lbs)		 Land
(lbs)		 UnInj
(lbs)		 Offsite
(lbs)
HYDROFLUORIC ACID
CASRN: 7664-39-3 		1,138.93 1,029.00 0.00 0.00 0.00 109.93
Substance Total Air Water Land UnInj Offsite
HYDROCHLORIC ACID
CASRN: 7647-01-0 		760.00 760.00 0.00 0.00 0.00 0.00
This substance is a developmental or reproductive toxin. (Source: Plastichem Project)
This substance is an asthmagen. (Source: Association of Occupational and Environmental Clinics (AOEC))
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
SULFURIC ACID
CASRN: 7664-93-9 		76.00 76.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite