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| General Information |
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| Party ID |
Party Name |
Party Classification |
Mailing Address |
Work Phone |
Email/Website |
| 626239 |
Andrew Robinson |
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15095 Amargosa Road Bldg 2/Ste 210 Victorville, CA 92394 |
None |
andrew.robinson@waterboards.ca.gov |
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Related Places
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Total Related Places: 0
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Related Parties
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Total Related Parties: 2
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Regulatory Measures (non-enforcement)
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Total Regulatory Measures: 0
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Violations within the past five years
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| Violation ID |
Occurrence Date |
Violation Type |
Violation Description(-) |
Violation Status |
Priority |
Source |
Facility Name |
Violated Reg. Meas. ID |
Violated Reg. Meas. Order No. |
Linked to Enf. |
| 1144261 |
03/17/2025 |
Unauthorized Discharge |
325 gallons of sodium hydroxide spilled. Release was stopped for line repair. On site personnel and equipment including vacuum truck cleaned up solution, impacted soil removed. A line carrying 32% sodium hydroxide ruptured and impacted the ground. The line was turned off, while repairs were being made. The spill was contained and vacuumed up onsite, impacted soil was remediated. ECM Doc handle # 11563968 |
Violation |
N |
Report |
Mountain Pass Mine & Mill Ops |
377626 |
R6V-2010-0047 |
N |
| 1144258 |
09/06/2024 |
Unauthorized Discharge |
Cal-OES 24-5040 Line failure caused 32% sodium hydroxide spill onto ground. MPMO staff called Lahontan on Friday for clean up input. Material being pumped into sump and neutralized with weak acid until neutral pH achieved.Reporting party stated that there was a line failure from a line that leads to a tank causing the release onto the ground. The release has been stopped and contained. No storms drains or waterways impacted |
Violation |
N |
Report |
Mountain Pass Mine & Mill Ops |
377626 |
R6V-2010-0047 |
N |
| 1117791 |
06/08/2023 |
BMP |
BMP Deficiencies |
Violation |
None |
Inspection |
Mountain County Bridge Rails |
435202 |
R6T-2020-0034 |
Y |
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Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.
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Total Violations: 3
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*Click the "(+/-) Violation Description" link to expand and contract the violation description.
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Enforcement Actions
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Total Enforcement Actions: 0
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Regulatory Measures linked to Related Parties
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Total Regulatory Measures linked to Related Parties: 0
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