Rule 1180 & Rule 1180.1 - Refinery Community and Fenceline Air Monitoring Latest Updates

Latest Updates related to Rule 1180 & Rule 1180.1

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Rule 1180 Revised Refinery Fenceline Air Monitoring Plans are Available for Public Comments

To All Interested Parties,

South Coast AQMD's Rule 1180 - Refinery Community and Fenceline Air Monitoring mandates real-time observations of air pollutants at or near the fenceline of all major petroleum refineries in the South Coast Air Basin.

- Rule 1180 was adopted in December 2017 and amended in January 2024.

The South Coast AQMD is now seeking comments on the elements of the Rule 1180 Fenceline Air Monitoring Plans (FAMPs) related to the January 2024 Rule Amendment, which include:

Air monitoring for additional pollutants - PM10, PM2.5, Ni, Cd, Mn, PAH
New requirements for Web-Based Fenceline Data Display and Notification Program
- Data display and availability, and recordkeeping
- Notifications

The revised refinery FAMPs for each of the Rule 1180 refineries can be found below in Table 1.

Please submit comments by 5:00 pm, February 20, 2026, via email to Rule1180@aqmd.gov.

Should you have any questions, please feel free to contact:
Olga Pikelnaya
Implementation Manager
(909) 396-3157
opikelnaya@aqmd.gov

or

Yifan Yu
Program Supervisor
(909) 396-3586
yyu@aqmd.gov

Table 1. Amended Rule 1180 Major Refineries FAMPs

Refinery/ Operator:	Draft Fenceline Air Monitoring Plans:	Considered For:	Refinery Fenceline Air Monitoring Webpages:
Chevron El Segundo Refinery	Chevron Draft Plan, Rev. 3	Approval	Chevron El Segundo - Home (elsegundo1180.com)
Tesoro Carson and Wilmington Refineries*	Tesoro Draft Plan, Rev. 2	Partial Approval^*	Marathon LAR - Home (marathonlosangelesrefineryfencelinemonitoring.com)
Phillips 66 Carson Refinery	P66 Carson Draft Plan, Rev. 2	Approval	Phillips 66 - Home (p66losangeles1180.com)
Phillipss 66 Wilmington Refinery	P66 Wilmington Draft Plan, Rev. 2	Approval	Phillips 66 - Home (p66losangeles1180.com)
Torrance Refining Company	TORC Draft Plan, Rev. 3.0	Approval	Torrance Refinery (torc.data.spectrumenvsoln.com/)
Valero Wilmington Refinery	Valero Draft Plan, Rev. 4	Partial Approval^*	Valero - home page (wilmingtonrefinerymonitoring.org)

*For all FAMPs considered for partial approval, staff will be working with the refineries to improve and to adequately address the remaining elements of their FAMPs.

- Valero: Partial approval for PM, metals, and web-based program. Staff will continue to work on air monitoring for PAH (Naphthalene), and the proposed modification of the previously approved air monitoring for toluene, xylenes, and ethylbenzene.

- Marathon: Partial approval is for PM, PAH (Naphthalene), and web-based program. Staff will continue to work with refineries on plan updates, focusing on air monitoring for metals and fenceline coverage at the Sulfur Recovery Plant (SRP).

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The Independent Audit Protocol for Fenceline Air Monitoring Systems is Now Available for Public Review and Comments

- To allow for additional comments, the comment period deadline has been extended to 5:00 pm, December 9th, 2025

Draft Audit Protocol for Fenceline Monitoring Systems (.pdf)
Draft Audit Checklist and Questionnaire (.xlsx)

Please submit comments by 5:00 PM, December 9, 2025, via email to Rule1180@aqmd.gov.

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Rule 1180 - Refinery Community and Fenceline Monitoring - Community Event

10/09/2024 AT 6:00 PM

The South Coast Air Quality Management District (South Coast AQMD) is hosting a community meeting to provide information and to answer questions about Rule 1180 and Rule 1180.1 and their implementation process.

Community Event Materials now available.
Event Agenda - Click here (PDF, 225 KB)
Event Presentation - Click here (PDF, 3 MB)

Contact: Public Advisor, (909) 396-3122,
publicadvisor@aqmd.gov
Location: In-Person:
Bateman Hall, 11331 Ernestine Ave., Lynwood, CA 90262

More Information:
Rule 1180 - Refinery Community and Fenceline Air Monitoring

Ask the Rule 1180 Monitoring Team

Rule1180@aqmd.gov

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