Data / Mines / Yamada and Sons, Inc.
Yamada and Sons, Inc.: 1 open mine, 22 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Yamada and Sons, Inc. (MSHA operator ID L01426) operates 1 open mine with 15 employees in Hawaii, mostly crushed, broken stone. Since January 1, 2022 MSHA inspectors issued it 22 citations and orders with $6,581 in proposed penalties, and it reported 1 injury or illness case. Data from MSHA, November 6, 2026.
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- MSHA operator ID
- L01426
- Open mines
- 1
- Employees at open mines
- 15
- States
- Hawaii
- Parent company
- Yamada Diversified Corp
- Citations and orders since January 1, 2022
- 22
- Significant and substantial
- 1 (4.5%)
- Closure orders
- 1
- High negligence or reckless
- 1
- Proposed penalties
- $6,581
- Amount paid so far
- $6,581
- Inspections
- 11
- Inspector hours on site
- 74
- Citations per inspection
- 2.00 (all mines 2.30)
- Accident reports
- 1
- Injury and illness cases
- 1
- Fatalities
- 0
- Latest MSHA record
- July 16, 2026
Open mines of Yamada and Sons, Inc.
Ranked by citations since January 1, 2022.
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Yamada And Sons, Inc. | Yamada and Sons, Inc. | Hawaii County, HI | Crushed, broken stone | 15 | 22 |
Citations and injury cases by year
Calendar years since 2022; 2026 runs to the date of the MSHA files.
| Year | Citations and orders | Significant and substantial | Proposed penalties | Injury and illness cases |
|---|---|---|---|---|
| 2022 | 11 | 1 | $4,924 | 1 |
| 2024 | 3 | 0 | $449 | 0 |
| 2025 | 6 | 0 | $906 | 0 |
| 2026 | 2 | 0 | $302 | 0 |
Standards cited most at Yamada and Sons, Inc.
Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.
| Standard | What the part covers | Citations |
|---|---|---|
| 30 CFR 56.12008 | Surface metal and nonmetal mines | 3 |
| 30 CFR 56.12030 | Surface metal and nonmetal mines | 2 |
| 30 CFR 56.12032 | Surface metal and nonmetal mines | 2 |
| 30 CFR 56.12006 | Surface metal and nonmetal mines | 2 |
| 30 CFR 56.14100 | Surface metal and nonmetal mines | 2 |
| 30 CFR 56.12028 | Surface metal and nonmetal mines | 2 |
| 30 CFR 56.14107 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.15005 | Surface metal and nonmetal mines | 1 |
| 30 CFR 50.30 | Reporting of accidents, injuries and illnesses | 1 |
| 30 CFR 47.44 | Hazard communication | 1 |
| 30 CFR 56.12004 | Surface metal and nonmetal mines | 1 |
| 30 CFR 47.41 | Hazard communication | 1 |
| 30 CFR 56.4101 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.4201 | Surface metal and nonmetal mines | 1 |
Injury and illness cases at Yamada and Sons, Inc.
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| Days away from work or restricted activity | 1 |
What the accident reports at Yamada and Sons, Inc. describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Handling of materials | 1 |
US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.