DUCOMMUN AEROSTRUCTURES
4001 EL MIRAGE ROAD, ADELANTO, CA, 92301
No open violations Compliance record — not a listed provider
Facility identity · canonical
- EPA Registry ID
- 110000479161
- RCRA Handler ID(s)
- CAD093245645
- Generator status
- Large Quantity Generator (LQG)
- County
- SAN BERNARDINO
- EPA Region
- 09
- Active
- Yes
- NAICS
- 336413336419336412333999332912332813
- Coordinates
- 34.6003, -117.5805
Compliance summary · canonical · EPA source pulled Aug 11, 2026 · summary recalculated Aug 26, 2026
3-year compliance history In violation 4 of the last 12 quarters
Not in universe In violation Significant non-compliance
- Significant non-complier
- No
- Last inspection
- Jun 11, 2026
- Inspections (5 yr)
- 2
- Informal actions (5 yr)
- 4
- Formal actions (5 yr)
- —
- Total penalties
- —
Permits & authorizations · canonical
| Program | Type | Status | Effective |
|---|---|---|---|
| RCRA | LQG | Not reported | Not reported |
Type is EPA's RCRA handler classification. Permit status and effective date
are not published in the RCRAInfo handler dataset.
Violations · canonical · 54 total, 0 open
11 distinct violation categories on record:
| Count | Code | Category | EPA description |
|---|---|---|---|
| 20 | 264.H | TSDF standards (permitted) | Standards for Owners and Operators of HW TSDs: Financial Requirements |
| 7 | XXS | State-specific requirement (broader than federal) | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements |
| 6 | 264.A | TSDF standards (permitted) | Standards for Owners and Operators of HW TSDs: General |
| 5 | 262.A | Generator standards | Standards Applicable to Generators of HW: General |
| 4 | 262.C | Generator standards | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators |
| 3 | 264.G | TSDF standards (permitted) | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure |
| 3 | 265.F | TSDF standards (interim status) | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring |
| 2 | 261.A | RCRA 261.A | ID and Listing of HW: General |
| 2 | 268.A | Land disposal restrictions | Land Disposal Restrictions: General |
| 1 | 262.D | Generator standards | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators |
| 1 | 264.B | TSDF standards (permitted) | Standards for Owners and Operators of HW TSDs: General Facility Standards |
Most recent 8 of 54:
| Determined | Category | Status | Agency |
|---|---|---|---|
| Apr 13, 2026 | State-specific requirement (broader than federal) XXS · State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Resolved Apr 13, 2026 | S |
| Apr 13, 2026 | State-specific requirement (broader than federal) XXS · State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Resolved Apr 15, 2026 | S |
| Dec 5, 2023 | State-specific requirement (broader than federal) XXS · State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Resolved Jan 9, 2024 | S |
| Dec 5, 2023 | State-specific requirement (broader than federal) XXS · State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Resolved Dec 12, 2023 | S |
| Dec 5, 2023 | State-specific requirement (broader than federal) XXS · State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Resolved Dec 27, 2023 | S |
| Jul 14, 2023 | Generator standards 262.C · Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Resolved Jul 14, 2023 | S |
| May 14, 2019 | State-specific requirement (broader than federal) XXS · State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Resolved Jul 3, 2019 | S |
| May 14, 2019 | State-specific requirement (broader than federal) XXS · State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Resolved Aug 30, 2019 | S |
Inspection history · canonical · 72 total
| Date | Type | Agency | Outcome |
|---|---|---|---|
| Jun 11, 2026 | FINANCIAL RECORD REVIEW (FRR) | S | In compliance |
| Apr 13, 2026 | FOCUSED COMPLIANCE INSPECTION (FCI) | S | Violation found |
| Dec 19, 2023 | FINANCIAL RECORD REVIEW (FRR) | S | In compliance |
| Dec 5, 2023 | COMPLIANCE EVALUATION INSPECTION (CEI) | S | Violation found |
| Jul 14, 2023 | COMPLIANCE EVALUATION INSPECTION (CEI) | S | Violation found |
| Jul 20, 2021 | FINANCIAL RECORD REVIEW (FRR) | S | In compliance |
| Jun 22, 2021 | COMPLIANCE EVALUATION INSPECTION (CEI) | S | In compliance |
| Dec 11, 2020 | COMPLIANCE EVALUATION INSPECTION (CEI) | S | In compliance |
Showing 8 most recent of 72.
Related facilities near Adelanto
Data sources
EPA ECHO — this facility's detailed report — facility, compliance summary, permits, evaluations & violations
RCRAInfo evaluation and violation records for this facility are integrated into the
ECHO report linked above — RCRAInfo's own public search doesn't offer a stable
per-facility link. General source: EPA ECHO, EPA RCRAInfo.
Compliance, permit, and location data come straight from EPA and can't be edited.
Contact info and description come from the business's claimed listing, if any.
This profile is not an official regulatory determination.
- EPA ECHO Exporter
- Source snapshot pulled Aug 11, 2026 · batch 20260811T113837Z
- EPA RCRAInfo (ECHO download)
- Source snapshot pulled Aug 11, 2026 · batch 20260811T113837Z
Two different dates can appear on this page, and both are correct but mean different
things: "Source snapshot pulled" above is when we last pulled that source's raw data
— this is the date to check for source currency. "Recalculated" on the compliance
summary is when we last recomputed that summary from the data on hand, which can
land on a later date than the source pull itself — a later recalculation date does
NOT mean the underlying source has data through that date.