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UNOCAL CORP HARTLEY CENTER

376 SOUTH VALENCIA AVENUE, BREA, CA, 92822
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
110000786098
RCRA Handler ID(s)
CAT080010903
Generator status
Large Quantity Generator (LQG)
County
ORANGE
EPA Region
09
Active
Yes
NAICS
23721
Coordinates
33.913, -117.850176
Compliance summary · canonical · as of Aug 26, 2026
3-year compliance history Not in the compliance universe for any of the last 12 quarters
Not in universe In violation Significant non-compliance
Significant non-complier
No
Last inspection
May 25, 2005
Inspections (5 yr)
—
Informal actions (5 yr)
—
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 · 1 total, 0 open
All violations:
DeterminedCategoryStatusAgency
Feb 6, 1990
Generator standards
262.A · Standards Applicable to Generators of HW: General
 Resolved Apr 18, 1990 S
Inspection history · canonical · 3 total
DateTypeAgencyOutcome
May 25, 2005 COMPLIANCE EVALUATION INSPECTION (CEI) B In compliance
Jul 14, 1994 COMPLIANCE EVALUATION INSPECTION (CEI) B In compliance
Feb 6, 1990 COMPLIANCE EVALUATION INSPECTION (CEI) S Violation found

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See all hazardous-waste facilities in Brea →

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.