The Bay Area Air Quality Management District has issued four notices of violation to Chevron connected to Monday's flaring episode at its Richmond refinery.
Three of the violations were for visible emissions and one was for a public nuisance violation, an air district spokesperson said Wednesday morning.
The district was notified about the flaring at 3:42 p.m. Monday. People across the Bay Areafrom at least three smokestacks.
Chevron said a partial power failure caused the flaring, which is typically the burning of excess gases.
The heavy smoke triggered a Community Warning System Level 1 warning issued by Contra Costa County. The warning didn't require any action and no one was evacuated. The air district said Chevron reported the flaring stopped at 2:03 a.m. Tuesday.
An air district spokesperson said the investigation is ongoing and more violations may be issued.
Chevron emailed the following statement Wednesday about the air district's action:
We are aware of the Air District action and continue to work with local agencies and investigate the event to avoid similar outages in the future. The safety of our workforce, our communities, our facilities and the environment is our highest priority.
Flares are highly regulated safety devices and are an important part of keeping the facility running safely. We continue to comply with County hazardous material notification requirements, including issuing a CWS Level 1 notification for Monday's event, which requires no action by the public. Importantly, during the event, numerous air quality measurements were taken by responding entities at the facility and in nearby neighborhoods. These measurements remained under regulatory limits and below California health standard limits. You can also view real-time air quality data at http://www.richmondairmonitoring.org.
For more information on the case, go to https://www.baaqmd.gov/about-air-quality/incidents-and-advisories.
for more features.