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Read about regulations governing oil refinery fenceline monitoring and view plans and data provided by the five local refineries.

The Air District invites written comments on new provisions related to hydrogen sulfide monitoring and quality assurance procedures in revised draft fenceline air monitoring plans for the five Bay Area refineries. Comments must be received by 5 PM Pacific Time on April 20, 2023.

The Air District has disapproved Fenceline Air Monitoring Plans for all five Bay Area refineries because the plans do not meet the requirements of the Air District’s Refining Emissions Tracking Rule. 

The Air District has reached an agreement with Argent Materials, Inc., that resolves violations at the company’s aggregate recycling facility in East Oakland. Under the terms of the settlement agreement, Argent will install and operate a fenceline air monitoring system at both yards of its East Oakland facility to enhance transparency and provide continuous air quality data to the Air District and the community.

Jul 22, 2025 ... Air Monitoring Plan for the Tesoro Refining & Marketing Company, LLC Martinez Renewable Fuels Facility in Martinez, California Submitted by Martinez Renewable ...

Jun 5, 2025 ... Fenceline Air Monitoring Plan for Rule 12-15 May 30, 2025 Revision 6 Page 1 of 29 Fenceline Air Monitoring Plan For BAAQMD Rule 12-15 Chevron Richmond Refinery ...

Feb 16, 2023 ... Fenceline Air Monitoring Plan For BAAQMD Rule 12-15 Chevron Richmond Refinery Revision 2 1 February 16, 2023 1 This Air Monitoring Plan has been updated ...

Oct 23, 2023 ... FOR IMMEDIATE RELEASE: October 23, 2023 CONTACT: communications@baaqmd.gov Air District rejects Fenceline Air Monitoring Plans for all five Bay Area refineries Facilities fail to properly ...

Oct 10, 2019 ... AGENDA Overview of Auditing Procedures of Fence-line Air Monitoring Technologies Using ISO Standards from a Regulatory Perspective DATE: Tuesday, November 12, ...

Oct 9, 2019 ... Overview of Auditing Procedures of FENCELINE AIR MONITORING TECHNOLOGIES Using ISO Standards from a Regulatory Perspective This online seminar will present an overview of ONLINE SEMINAR how ISO ...

Nov 12, 2019 ... Overview of Auditing Procedures of Fence-line Air Monitoring Technologies Eric Stevenson Air Monitoring Officer Bay Area Air Quality Management ...

Nov 11, 2020 ... Fenceline Air Monitoring Plan For BAAQMD Rule 12-15 Chevron Richmond Refinery November 11, 2020 ...

Feb 16, 2023 ... Fenceline Air Monitoring Plan For BAAQMD Rule 12-15 Chevron Richmond Refinery Revision 2 1 February 16, 2023 1 This Air Monitoring Plan has been updated ...

Jun 5, 2025 ... Quality Assurance Project Plan Prepared by Prepared for Sonoma Technology, Inc. Chevron Products Company 1450 N. McDowell Blvd. Suite 200 100 Chevron Way Petaluma, CA 94954 ...

Jul 22, 2025 ... Martinez Renewables Fenceline Monitoring QAPP Revision 9 July 3, 2025 Page 1 of 51 Quality Assurance Project Plan Prepared by Prepared for Sonoma Technology, Inc. Martinez ...

Quality Assurance Project Plan for the Chevron Richmond Refinery Fenceline Air Monitoring Program October 20, 2020 Revision ...

Aug 5, 2025 ... 1 Settlement Agreement By and Between 2 The Bay Area Air Quality Management District and 3 Argent Materials, Inc. 4 1. The Bay Area Air Quality Management District (“Air District”) is ...

Sep 1, 2023 ... Fenceline Air Monitoring Plan For BAAQMD Rule 12-15 Chevron Richmond Refinery Revision 3 September 5, 2023 ...

Jul 6, 2023 ... AGENDA: 4 Mid-Year Review of the 2023 Regulatory Agenda Stationary Source and Climate Impacts Committee Meeting July 12, 2023 Elizabeth Yura Director of Rules and Strategic ...

Jun 9, 2025 ... 1 PROPOSED SETTLEMENT AGREEMENT BY AND BETWEEN 2 THE BAY AREA AIR QUALITY MANAGMENT DISTRICT AND 3 CHEVRON PRODUCTS COMPANY (Notice of Violation 56287) 4 I. Background: Parties and ...