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Board renews emergency proclamation for Tijuana River pollution after hydrogen sulfide spikes
Summary
Citing recent hydrogen sulfide spikes and public health impacts, the Board renewed the county emergency proclamation for the US‑Mexico transboundary pollution crisis and asked staff to forward an evidence packet (monitoring data and studies) to the state and federal partners.
The Board of Supervisors unanimously renewed the county’s local emergency proclamation addressing US‑Mexico transboundary pollution from the Tijuana River, citing recent sewage spills and hazardous hydrogen sulfide levels.
The motion sponsor told the board that air monitoring from the county Air Pollution Control District recorded hourly hydrogen sulfide averages near 500 parts per billion during recent events and…
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