Chevron Environmental Management Company – Hazardous Waste Facility Permit Renewal
3 Documents in Project
Summary
SCH Number
1993111001
Lead Agency
California Department of Toxic Substances Control
(DTSC)
Document Title
Chevron Environmental Management Company – Hazardous Waste Facility Permit Renewal
Document Type
NOD - Notice of Determination
Received
Posted
9/19/2025
Document Description
The California Department of Toxic Substances Control (DTSC), pursuant to authority granted under California Code of Regulations, Title 22, Division 4.5, Chapter 20 is approving an Addendum to a previously adopted Initial Study/Negative Declaration for renewal of a Hazardous Waste Facility Permit (Permit) for Chevron Environmental Management Company (CEMC). DTSC prepared an Addendum pursuant to a previously adopted 1993 Initial Study/Negative Declaration (IS/ND) due to updates to the California Environmental Quality Act (CEQA) Guidelines and not as a result of project changes. The Permit Renewal will authorize continued operations and delayed closure of the Integrated Wastewater Pond System (IWPS) and post closure care of the Consolidation Area. The Permit does not include any physical changes, changes in operations, construction, or ground disturbing activities. CEMC is located at 940 Hensley Street in Richmond, California 94801.
Contact Information
Name
Melanie Tieu
Agency Name
Department of Toxic Substances Control
Job Title
Hazardous Substances Engineer
Contact Types
Lead/Public Agency
Phone
Email
Name
Bradley Rogers
Agency Name
Chevron Environmental Management Company
Job Title
Project Manager
Contact Types
Project Applicant
Phone
Email
Location
Cities
Richmond
Counties
Contra Costa
Regions
San Francisco Bay Area
Other Location Info
940 Hensley Street, Richmond, California 94801
Notice of Determination
Approving Agency
Department of Toxic Substances Control
Approving Agency Role
Lead Agency
Approved On
County Clerk
Contra Costa
Final Environmental Document Available at
Department of Toxic Substances Control: Permitting Division
8800 Cal Center Drive
Sacramento, CA 95826
Additional project information is available on EnviroStor: www.envirostor.dtsc.ca.gov/public/
Determinations
(1) The project will have a significant impact on the environment
No
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
No
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
Yes
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
No
(3) Mitigated measures were made a condition of the approval of the project
No
(4) A mitigation reporting or monitoring plan was adopted for this project
No
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
Yes
Attachments
Notice of Determination
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