Toxic gas invaded South Bay again Sunday night.
Levels of hydrogen sulfide spewing from the sewage-polluted Tijuana River exceeded what the state says is safe for sensitive groups like children and the elderly in Nestor and San Ysidro. The San Diego Air Pollution Control District alerted the community, but that’s the extent of the authority air pollution cops say they have.
That could change if the California Legislature approves a bill by State Sen. Steve Padilla, a Democrat representing District 18…