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Hyperion maintenance will pause fence-line monitors; AQMD logged 7 complaints, no violations
Summary
City staff reported scheduled electrical maintenance at the Hyperion facility that will produce temporary outages and pause fence-line monitoring for several hours; AQMD logged seven complaints in two weeks but issued no notices of violation.
City staff reported scheduled electrical maintenance at the Hyperion facility that will cause temporary outages and take fence-line air monitors offline for several hours, and said the Air Quality Management District received seven complaints in the past two weeks but issued no notices of violation.
"Over the past 2 weeks, AQMD received 7 voter complaints. There were no issues of, violation or there were no notices of violation issued," a staff member reported during the El Segundo City Council meeting. The staff member said a scheduled electrical maintenance event took place at the facility the morning of the meeting between 7 a.m. and 10 a.m.
The staff member said fence-line monitoring audits are scheduled for the next two days and "will take the monitoring stations down for a period of time of 4 hours each day." The staff member also reported additional electrical maintenance planned for Wednesday the 18th between 5 a.m. and 10 a.m., during which outages "would be expected at a portion of the facility."
During the discussion, an unidentified speaker asked whether switching off cogeneration and using shore power could be linked to hydrogen sulfide releases. The question — phrased to prompt a response from "Eli" — was presented as a point for staff to address; the transcript did not include a definitive technical answer on the record.
The meeting record shows the Hyperion report concluded after those updates. No formal motion, vote, or directive was recorded in the transcript excerpt provided.
