Governor's Office Emergency Services
Hazardous Materials Spill Report

    DATE: 06/18/2024
    TIME: 1229
    RECEIVED BY:
    CONTROL#:
    Cal OES - 24-3475
    NRC -
1.a. PERSON NOTIFYING Cal OES:
1. NAME:2. AGENCY:3. PHONE#:4. Ext:5. PAG/CELL:
Castle Mountain Mine
1.b. PERSON REPORTING SPILL (If different from above):
1. NAME:2. AGENCY:3. PHONE#:4. Ext:5. PAG/CELL:
2. SUBSTANCE TYPE:
2. a. SUBSTANCE:b.QTY:>=<Amount Measurec. TYPE:d. OTHER:e. PIPELINEf. VESSEL
>= 300 Tons
1. processed solution=500 Gal(s)CHEMICALNoNo
2. = NoNo
3. = NoNo
g. DESCRIPTION: Per reporting party: A processed solution of water with dissolved sodium cyanide released due to operational failure at a gold mine's solution processing plant. Columns overfilled and due to wind, the solution spilled onto soil. No waterways impacted. Clean up is planned and will be initiated this afternoon. Amount of sodium cyanide in the released solution is 1.5 ounces.
h. STOPPAGE/CONTAINMENT:i. WATER INVOLVED: j. WATERWAY:k. DRINKING WATER IMPACTED
Stopped, ContainedNoNo
l. MARITIME VESSEL
No		m. KNOWN IMPACT
None
3. a. INCIDENT LOCATION: 115575 Hart Mine Road
b. CITY:c. COUNTY: d. ZIP:
Ivanpah
San Bernardino CountyMOJAVE DESERT AQMD
4. INCIDENT DESCRIPTION:
a. DATE:b. TIME (Military):c. SITE:d. REPORTED CAUSE
06/18/20240815 Other
Description for Other : Gold mine solution processing plant		Mechanical
e. INJURIESf. FATALITY g. EVACUATIONh. CLEANUP BY:
NoNoNoUnknown
6. NOTIFICATION INFORMATION:
a. ON SCENE:b. OTHER ON SCENE: c. OTHER NOTIFIED:
d. ADMIN. AGENCY: San Bernardino County Fire Departmente. SEC. AGENCY:
f. ADDITIONAL COUNTY: g. ADMIN. AGENCY:
h. NOTIFICATION LIST:
Cal GEM:
RWQCB Unit:

6B
Cal OES Region:
AA/CUPA, DTSC, RWQCB, US EPA, USFWS, Co/Hlth, Co/E-Hlth
Photo Attachment:
11. Cal OES Reg.
********* Control No: 24-3475 *********

Created by: Warning Center on: 06/18/2024 12:29:31 PM Last Modified by: Warning Center on: 06/18/2024 12:41:04 PM