Facility Profile

MARIGOLD MINING CO
SILVER STANDARD US HOLDINGS INC.
Facility Summary
3 MILES S OF VALMY, VALMY, NV, 89438 (HUMBOLDT)
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:
Clean Water Act:
Resource Conservation and Recovery Act : No Violation Identified
Total Penalties: $0
Last Penalty: N/A
2022 Toxic Substance Releases
Substance Total
(lbs)
Air
(lbs)
Water
(lbs)
Land
(lbs)
UnInj
(lbs)
Offsite
(lbs)
LEAD COMPOUNDS
CASRN: N420
1,035,057.10 57.10 0.00 1,035,000.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
NITRATE COMPOUNDS (WATER DISSOCIABLE)
CASRN: N511
220,003.00 0.00 0.00 220,000.00 0.00 3.00
Substance Total Air Water Land UnInj Offsite
MERCURY COMPOUNDS
CASRN: N458
62,437.00 8.90 0.00 62,000.00 0.00 428.10
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
CYANIDE COMPOUNDS
CASRN: N106
12,570.00 12,570.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
PROPYLENE
CASRN: 115-07-1
6,451.00 6,451.00 0.00 0.00 0.00 0.00
This substance is an endocrine disruptor. (Source: TEDX (The Endocrine Disruption eXchange))
Substance Total Air Water Land UnInj Offsite