DUCOMMUN AEROSTRUCTURES

4001 EL MIRAGE ROAD, ADELANTO, CA, 92301
No open violations Compliance record — not a listed vendor
Compliance record, not a business listing. This facility is a hazardous-waste generator (it produces regulated waste as part of an unrelated business), not a waste-management vendor — it isn't eligible to be claimed or listed. Data below is shown for compliance transparency, sourced from EPA ECHO & RCRAInfo.

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
336413
336419
336412
333999
332912
332813
Coordinates
34.6003, -117.5805
Compliance summary · canonical · as of 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
ProgramTypeStatusEffective
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:
CountCodeCategoryEPA 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:
DeterminedCategoryStatusAgency
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
DateTypeAgencyOutcome
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.

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.