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SIENNA MINERALS SAC
Peru mining record: safety sanctions, environmental fines and fatal accidents
RUC (tax ID) 20510106394· On record from Dec 11, 2005 to Apr 24, 2017
Appears in the source as: SIENNA MINERALS S.A.C.
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A resolution (resolución) is OSINERGMIN's formal written decision closing one sanction case: an order from the regulator, not a court judgment. A single resolution can fine several infractions at once, and it can be appealed to TASTEM, the agency's own appeals tribunal.ⓘ
S/ is the Peruvian sol, Peru's currency. The gray dollar figures are approximate conversions at S/ 3.35 per US$1 (August 2026).ⓘ
The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.No sanction resolution names this company in the 2020-2026 SAIP delivery.
Not on OSINERGMIN's published 2001-2019 sanctions list.
| Infraction (OEFA's classification) | Fine (UIT)
ⓘThe UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles. |
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Compromisos y/o normas ambientales complejas
El titular minero no habría realizado las acciones de control y recuperación ambiental del área en la que se ubica la poza de contingencia del Grupo Electrógeno N° 1, toda vez que se evidencia presencia de hidrocarburos sobre suelo, incumpliendo su instrumento de gestión ambiental.
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From OEFA's environmental infractions register (RUIAS), mining subsector, snapshot cut April 30, 2024. Fines are in UIT, Peru's yearly-revalued tax unit, as OEFA states them; a case can carry several infraction lines and a corrective measure instead of a fine.
| Date of death | Mining unit | Accident type (as classified) | Place | Category |
|---|---|---|---|---|
| Dec 11, 2005 | IGOR | CHOQUES CONTRA O ATRAPADO EN O GOLPES POR VEHÍCULO MOTORIZADO (TRÁNSITO) | HUARANCHAL, OTUZCO, LA LIBERTAD | Gran y Mediana Minería |
One row per death from the Ministry of Energy and Mines' open-data list, naming the titleholder and mining unit. The file has no 2019 rows and only 11 for 2017-2018, an upstream gap; deaths after June 2021 are not in it.