THUNDERBOLT WOOD TREATING CO., INC.
3400 PATTERSON RD, RIVERBANK, CA 95367 · NAICS 321114 Wood Preservation
Having inspection records is common for businesses in regulated industries. Data and methodology
Inspection records
Feb 28, 2024#347311359Feb 28, 2024Complaint (B) · Partial scope, Health#347311359$5,5005 viol.5 violations$5,500 in penalties
Inspection #347311359
Dates
- Opened
- Feb 28, 2024
- Closing Conference Date
- Aug 19, 2024
- Contested
- Sep 11, 2024
- Final Order
- Jan 31, 2025
- Closed
- Apr 15, 2025
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 20
- Related Activity
- 1 complaint
Violations and Penalties
- Total Violations
- 5
- Violation Types
- 2 serious, 3 other-than-serious
- Initial Penalties
- $10,050
- Penalties on Record
- $5,500
- Site Address
- 3400 Patterson Rd, Riverbank, CA 95367
- Industry
- 321114 Wood Preservation
Complaint Inspection: This inspection record is categorized as a complaint inspection in the DOL OSHA enforcement data. OSHA can open complaint-driven inspections after receiving safety or health complaints from workers or their representatives.
Violations
Violation list (5 of 5 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01001 | 2510.5 Wet and Damp Locations OSHA citation code: 25100005 D | Other | 1 | 33 | $150 | $110 | Sep 11, 2024 | Jan 31, 2025 | |
| 01002 | 3577(E) Protection Devices | Other | 1 | 33 | $225 | $165 | Sep 11, 2024 | Jan 31, 2025 | |
| 01003 | 3578(G) Permissible Wheel Exposure for Periphery Grinding | Other | 1 | 33 | $225 | $165 | Sep 11, 2024 | Jan 31, 2025 | |
| 02001 | 3999(B) Conveyors | Serious | 1 | 33 | $5,400 | $3,035 | Sep 11, 2024 | Jan 31, 2025 | |
| 03001 | 4002(A) Moving Parts of Machinery or Equipment | Serious | 1 | 33 | $4,050 | $2,025 | Sep 11, 2024 | Jan 31, 2025 |
Jun 5, 2023#346747454Jun 5, 2023Follow-Up (F) · Partial scope, Health#346747454$00 viol.0 violations$0 in penalties
Inspection #346747454
Dates
- Opened
- Jun 5, 2023
- Closing Conference Date
- Aug 16, 2023
- Closed
- Aug 16, 2023
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 43
Violations and Penalties
- Total Violations
- 0
- Initial Penalties
- $0
- Penalties on Record
- $0
- Site Address
- 3400 Patterson Rd, Riverbank, CA 95367
- Industry
- 321114 Wood Preservation
Follow-Up Inspection: This inspection record is categorized as a follow-up inspection in the DOL OSHA enforcement data. Follow-up inspections are used by OSHA after earlier enforcement activity and can be used to check later compliance status.
Jun 10, 2022#346012347Jun 10, 2022Complaint (B) · Partial scope, Health#346012347$3,0001 viol.1 violation$3,000 in penalties
Inspection #346012347
Dates
- Opened
- Jun 10, 2022
- Closing Conference Date
- Sep 6, 2022
- Contested
- Sep 30, 2022
- Final Order
- Oct 11, 2022
- Closed
- Feb 27, 2023
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 41
- Related Activity
- 1 complaint
Violations and Penalties
- Total Violations
- 1
- Violation Types
- 1 other-than-serious
- Initial Penalties
- $4,950
- Penalties on Record
- $3,000
- Site Address
- 3400 Patterson Rd, Riverbank, CA 95367
- Industry
- 321114 Wood Preservation
Complaint Inspection: This inspection record is categorized as a complaint inspection in the DOL OSHA enforcement data. OSHA can open complaint-driven inspections after receiving safety or health complaints from workers or their representatives.
Violations
Violation list (1 of 1 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01001 | 3368(B) Consumption of Food and Beverages | Other | 1 | 41 | $4,950 | $3,000 | Sep 30, 2022 | Oct 11, 2022 |
Aug 7, 2020#344872999Aug 7, 2020Complaint (B) · Partial scope, Safety#344872999$2051 viol.1 violation$205 in penalties
Inspection #344872999
Dates
- Opened
- Aug 7, 2020
- Closing Conference Date
- Jan 20, 2021
- Final Order
- Feb 9, 2021
- Closed
- Feb 2, 2021
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 37
- Related Activity
- 1 complaint
Violations and Penalties
- Total Violations
- 1
- Violation Types
- 1 other-than-serious
- Initial Penalties
- $205
- Penalties on Record
- $205
- Site Address
- 3400 Patterson Road, Riverbank, CA 95367
- Industry
- 321114 Wood Preservation
Complaint Inspection: This inspection record is categorized as a complaint inspection in the DOL OSHA enforcement data. OSHA can open complaint-driven inspections after receiving safety or health complaints from workers or their representatives.
Violations
Violation list (1 of 1 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01001 | 5162(D) Emergency Eyewash and Shower Equipment | Other | 2 | 1 | $205 | $205 | - | Feb 9, 2021 |
Aug 24, 2017#342587516Aug 24, 2017Complaint (B) · Partial scope, Safety#342587516$00 viol.0 violations$0 in penalties
Inspection #342587516
Dates
- Opened
- Aug 24, 2017
- Closing Conference Date
- Dec 11, 2017
- Closed
- Dec 11, 2017
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 25
- Related Activity
- 1 complaint
Violations and Penalties
- Total Violations
- 0
- Initial Penalties
- $0
- Penalties on Record
- $0
- Site Address
- 3400 Patterson Rd, Riverbank, CA 95367
- Industry
- 321114 Wood Preservation
Complaint Inspection: This inspection record is categorized as a complaint inspection in the DOL OSHA enforcement data. OSHA can open complaint-driven inspections after receiving safety or health complaints from workers or their representatives.
Mar 13, 2015#340467323Mar 13, 2015Accident (A) · Partial scope, Safety#340467323$5251 viol.1 violation$525 in penalties
Inspection #340467323
Dates
- Opened
- Mar 13, 2015
- Closing Conference Date
- Aug 25, 2015
- Final Order
- Sep 17, 2015
- Closed
- Sep 4, 2015
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 38
- Related Activity
- 1 accident
Violations and Penalties
- Total Violations
- 1
- Violation Types
- 1 other-than-serious
- Initial Penalties
- $525
- Penalties on Record
- $525
- Site Address
- 3400 Patterson Road, Riverbank, CA 95367
- Industry
- 321114 Wood Preservation
Accident Inspection: This inspection record is categorized as an accident inspection in the U.S. Department of Labor OSHA enforcement data. Employers must report work-related fatalities within 8 hours, and work-related inpatient hospitalizations, amputations, or losses of an eye within 24 hours. An accident-related inspection does not by itself determine fault.
Violations
Violation list (1 of 1 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01001 | 3203(A)(7)(D) Injury and Illness Prevention Program | Other | 1 | 1 | $525 | $525 | - | Sep 17, 2015 |
Jun 5, 2013#316699479Jun 5, 2013Accident (A) · Partial scope, Safety#316699479$2,2004 viol.4 violations$2,200 in penalties
Inspection #316699479
Dates
- Opened
- Jun 5, 2013
- Closing Conference Date
- Oct 7, 2013
- Closed
- Nov 25, 2013
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 33
- Related Activity
- 1 accident
Violations and Penalties
- Total Violations
- 4
- Violation Types
- 4 other-than-serious
- Initial Penalties
- $2,200
- Penalties on Record
- $2,200
- Site Address
- 3400 Patterson Rd, Riverbank, CA 95367
- Industry
- 321114 Wood Preservation
Accident Inspection: This inspection record is categorized as an accident inspection in the U.S. Department of Labor OSHA enforcement data. Employers must report work-related fatalities within 8 hours, and work-related inpatient hospitalizations, amputations, or losses of an eye within 24 hours. An accident-related inspection does not by itself determine fault.
Incident Investigation Summaries
Incident investigation summaries linked to this inspection through OSHA's accident and injury enforcement data. These summaries describe the reported incident. The enforcement outcome for the linked inspection is in the inspection details above.
Employee seriously burned in gas explosion
Violations
Violation list (4 of 4 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01001 | 3203 Injury and Illness Prevention Program OSHA citation code: 3203 A | Other | 1 | 2 | $275 | $275 | Nov 26, 2013 | - | - |
| 01002 | 3668 Powered Industrial Truck Operator Training OSHA citation code: 3668 D02 | Other | 1 | 2 | $275 | $275 | Nov 26, 2013 | - | - |
| 01003 | 5549 Sources of Ignition OSHA citation code: 5549 A | Other | 1 | 3 | $825 | $825 | Oct 29, 2013 | - | - |
| 01004 | 5533 Design, Construction, and Capacity of Storage Cabinets OSHA citation code: 5533 B | Other | 1 | 3 | $825 | $825 | Oct 29, 2013 | - | - |
Sep 13, 2002#300738192Sep 13, 2002Planned (H) · Complete scope, Health#300738192$3003 viol.3 violations$300 in penalties
Inspection #300738192
Dates
- Opened
- Sep 13, 2002
- Closing Conference Date
- Mar 3, 2003
- Contested
- Aug 29, 2003
- Closed
- May 10, 2005
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 15
Violations and Penalties
- Total Violations
- 3
- Violation Types
- 3 other-than-serious
- Initial Penalties
- $375
- Penalties on Record
- $300
- Site Address
- 3400 Patterson Road, Riverbank, CA 95367
- Industry
- 321114 Wood Preservation
Planned Inspection: This inspection record is categorized as a planned inspection in the DOL OSHA enforcement data. Planned inspections are part of OSHA's scheduled enforcement activity rather than being opened directly from a complaint or reported incident at that worksite.
Enforcement Outcome
Citation contest activity appears on Aug 29, 2003. Final orders are recorded through Apr 27, 2004. Penalty changes shown on this page reflect the latest amounts published in OSHA's enforcement data.
Violations
Violation list (3 of 3 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01001 | 5097 Hearing Conservation Program OSHA citation code: 5097 A | Other | 1 | 2 | $225 | $150 | Apr 2, 2003 | Aug 29, 2003 | Apr 27, 2004 |
| 01002 | 5097 Hearing Conservation Program OSHA citation code: 5097 B01 | Other | 1 | 2 | $0 | $0 | Apr 2, 2003 | - | - |
| 01003 | 5214 Inorganic Arsenic OSHA citation code: 5214 G02 B | Other | 1 | 5 | $150 | $150 | Apr 2, 2003 | Aug 29, 2003 | Apr 27, 2004 |
Sep 13, 2002#300738176Sep 13, 2002Planned (H) · Complete scope, Safety#300738176$6,05018 viol.18 violations$6,050 in penalties
Inspection #300738176
Dates
- Opened
- Sep 13, 2002
- Closing Conference Date
- Mar 3, 2003
- Contested
- Aug 29, 2003
- Final Order
- Apr 27, 2004
- Closed
- Apr 28, 2005
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 12
Violations and Penalties
- Total Violations
- 18
- Violation Types
- 9 serious, 9 other-than-serious
- Initial Penalties
- $10,490
- Penalties on Record
- $6,050
- Site Address
- 3400 Patterson Road, Riverbank, CA 95367
- Industry
- 321114 Wood Preservation
Planned Inspection: This inspection record is categorized as a planned inspection in the DOL OSHA enforcement data. Planned inspections are part of OSHA's scheduled enforcement activity rather than being opened directly from a complaint or reported incident at that worksite.
Violations
Violation list (5 of 18 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01002 | 2340.24 Discontinued Circuits | Other | 3 | 2 | $150 | $0 | Apr 2, 2003 | Aug 29, 2003 | Apr 27, 2004 |
| 01003 | 2500.8 Uses Not Permitted OSHA citation code: 25000008 A | Other | 1 | 1 | $0 | $0 | Apr 2, 2003 | Aug 29, 2003 | Apr 27, 2004 |
| 01004 | 2500.10 Pull at Joints and Terminals OSHA citation code: 25000010 A | Other | 1 | 1 | $0 | $0 | Apr 2, 2003 | Aug 29, 2003 | Apr 27, 2004 |
| 01005 | 3213 Service Pits and Yard Surface Openings OSHA citation code: 3213 A | Other | 1 | 2 | $225 | $150 | Apr 2, 2003 | Aug 29, 2003 | Apr 27, 2004 |
| 01006 | 3328 Machinery and Equipment OSHA citation code: 3328 D | Other | 1 | 1 | $75 | $75 | Apr 2, 2003 | Aug 29, 2003 | Apr 27, 2004 |
Showing the 5 violations listed first by citation identifier. This inspection has 18 total violations documented in the U.S. Department of Labor OSHA enforcement database. The complete violation list is available at enforcedata.dol.gov.
Penalty amounts may differ from final amounts after settlement or judicial review. How to read these records
About these records
A company page groups inspections with the same normalized employer name, city and state; it is not a legal-entity identifier (how pages are grouped).
This page displays public OSHA enforcement data. Status text follows the DOL inspection record first and may include citation-level context when the inspection feed and citation records are out of sync. Penalty amounts shown reflect the latest penalty amounts on record in the DOL database and may differ from initial assessments or final amounts. This is not an official OSHA resource.
OSHA's public enforcement data does not publish a "guilty" or "not guilty" field for inspections. The closest outcome fields available are the citation counts, penalty amounts, contest dates, final-order dates, and the inspection close date shown on this page. How to interpret these status fields. How initial and current penalties are recorded.
OSHA may publish multiple citation rows in the same inspection with the same standard and penalty fields. Separate rows can still differ in OSHA metadata such as citation identifier, recorded instance count, exposed workers, or gravity value. Contest and Final Order columns show citation-level dates from OSHA's enforcement record. A dash means OSHA's record does not currently show that activity for the citation.
Source: U.S. Department of Labor OSHA incident investigation data (`osha_accident` + `osha_accident_injury`). Linked via `rel_insp_nr` to the inspection activity number (exact government key). Injury, body part, source and event values are OSHA's own codes. OSHA states that these fields are not coded according to the requirements under the Occupational Injury and Illness Classification System (OIICS). Only the values present in the OSHA record are listed; an incident with no value that resolves in OSHA's code table shows "Injury details not recorded". Where a record covers several people, each field lists every value recorded across them.
Understanding These Penalties
The maximum penalty for a serious violation in 2025 is $16,550 per violation. For willful violations, the range is $11,823 to $165,514. The current penalty column shows the latest amount on record in OSHA's database for each citation. When the current penalty differs from the initial penalty, OSHA's records show that the amount changed during the enforcement process, but this page does not determine the specific reason for each change. Penalty amounts are set by OSHA and adjusted annually for inflation.
9 inspections, 2002 to 2024. Each row is one inspection; point at or tap a row for its dates and totals.
Source: DOL OSHA enforcement data (inspections and violations), linked via activity_nr (exact government key).
Penalty changes: Amounts shown reflect what OSHA's enforcement record publishes. The reason for any change is not stated unless OSHA's record explicitly says so.
Standards cited
Industry comparison
Wood Product Manufacturing, 17,977 employers with OSHA inspections. Arithmetic from DOL records.
BLS 2024 survey: wood preservation reported 3.6 injuries and illnesses per 100 full-time workers (total recordable cases, national, private industry; relative standard error 23.5%). This is an industry-wide average from a federal survey, not a measurement of this establishment. Source