# Sylacauga Marble, Mine #1 - **MSHA mine ID:** 0102947 - **Status:** Active - **Type / commodity:** Surface / Dimension Marble - **Location:** Talladega, AL - **Operator:** TBGS Quarry, LLC. - **Controller:** Changyung Tan - **Public source rows linked:** 1,029 - **Source coverage:** 13 / 20 - **Generated:** 2026-10-17T06:17:15.228Z ## Current entity hierarchy **Changyung Tan (0135861) → TBGS Quarry, LLC. (0136773) → Sylacauga Marble, Mine #1 (0102947)** Current identity source: `msha-mines`. This is a current snapshot, not a historical claim. ## Controller and operator valid-time history - **Bernard Strauss → Purple Mountain Marble Company Inc:** 1992-03-01 through 1998-11-03; derived from co-tenure at mine 0102947; source `msha-controller-operator-history`. - **Stephen Musolino → Alabama Marble Co Inc:** 1998-11-04 through 2014-11-23; derived from co-tenure at mine 0102947; source `msha-controller-operator-history`. - **Roy Swindal et al → TBGS Quarry, LLC.:** 2014-11-24 through 2017-07-31; derived from co-tenure at mine 0102947; source `msha-controller-operator-history`. - **Changyung Tan → TBGS Quarry, LLC.:** 2017-08-01 through current/open; derived from co-tenure at mine 0102947; source `msha-controller-operator-history`. - History rows: 4 - Typed edges: 11 - Interval anomalies: 0 - Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control. - Transaction-time observation: 2026-10-17T05:35:58.500035+00:00. ## Assessment signals 1. **SAFETY — 0 since 2021:** Accidents and injuries 30 historical accident/injury rows; 0 coded fatalities and 292 lost days across the published record. 2. **COMPLIANCE — 20 since 2021:** Violations and penalties 327 violation rows across the full record; 115 carry an S&S flag and $197,122 appears in current assessed amounts. 3. **HEALTH — 12 samples:** Occupational health samples 12 personal. 0 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately. 4. **PRODUCTION — 0 tons:** Quarterly production and employment 3K employee hours and 8 summed average employees across reported subunits in the latest published quarter. 5. **LEGAL — 131 linked rows:** Contests, conferences and decisions 60 contested-violation rows, 68 civil-penalty docket/decision rows, and 3 conference records linked by issuance number. 6. **CONTRACTORS — 0 linked entities:** Contractors Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals. 7. **INSPECTIONS — 22 since 2021:** Inspections 134 inspection events and 2K published inspection hours across the historical record. ## EIA annual operating context No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation. ## Recent Title 30 crosswalk Snapshot current through 2026-08-19. - **30 CFR 47.51 — Requirement for an MSDS.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-F/section-47.51 - **30 CFR 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003 - **30 CFR 56.14209 — Safety procedures for towing.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14209 - **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (8 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30 - **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001 ## Source coverage - **Accident, Injuries, and Illnesses:** 30 rows; 2002-05-30 through 2014-08-29; source ID `msha-accidents` - **Addresses of Record:** 1 rows; 1992-03-09 through 1992-03-09; source ID `msha-addresses` - **Assessed Violations:** 319 rows; 2000-05-16 through 2025-12-23; source ID `msha-assessed-violations` - **Civil Penalty Dockets and Decisions:** 68 rows; 2000-07-26 through 2016-10-27; source ID `msha-civil-penalty-dockets-decisions` - **Conferences:** 3 rows; 2005-10-04 through 2005-10-04; source ID `msha-conferences` - **Contested Violations:** 60 rows; 2007-04-02 through 2013-02-27; source ID `msha-contested-violations` - **Controller and Operator History:** 4 rows; 1992-03-01 through 2014-11-24; source ID `msha-controller-operator-history` - **Inspections:** 134 rows; 2000-05-16 through 2026-08-27; source ID `msha-inspections` - **Mine Employment and Production — Quarterly:** 20 rows; unknown through unknown; source ID `msha-mine-production-quarterly` - **Mine Employment and Production — Yearly:** 50 rows; unknown through unknown; source ID `msha-mine-production-yearly` - **Mines:** 1 rows; unknown through unknown; source ID `msha-mines` - **Metal and Nonmetal Personal Health Samples:** 12 rows; 2001-02-01 through 2024-09-24; source ID `msha-personal-health-samples` - **Violations:** 327 rows; 2000-05-16 through 2025-12-23; source ID `msha-violations` ## Caveats - This is public-record decision support, not legal advice or an official MSHA record. - Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability. - Contractor production data is entity-level and is not attributed to this mine. ## Alternate representations - HTML: `/mines/sylacauga-marble-mine-1-0102947` - JSON: `/api/v1/mines/sylacauga-marble-mine-1-0102947` - Silica records, units, sample status and quarterly means: `/api/v1/mines/0102947/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows) - Relationship JSON: `/api/v1/mines/0102947/relationships` - MCP resource: `mine://0102947/assessment` - Complete Title 30 corpus: `/data/title30-sections.json`