CROCKETT — The county’s well being division lifted a well being advisory Monday after workers assessments discovered no signal of elevated ranges of hydrogen sulfide close to a wastewater remedy plant that had spurred residential complaints for a number of weeks.
In a press release Monday afternoon, Contra Costa Well being Providers stated it might maintain monitoring for any change after one-hour-average readings taken Sunday and Monday close to the refinery at Port and Ceres streets and at John Candy Excessive and Carquinez Center college campuses examined destructive for hydrogen sulfide gasoline, which at elevated ranges smells like rotten eggs or sewage.
Ranges of the gasoline raised by points on the plant, which handles group sewage and wastewater from C&H Sugar refinery, 1801 Dowrelio Drive, led well being workers to situation an advisory Oct. 7.
Final week, a C&H official stated the agency that runs the plant was engaged on subsequent steps, together with upgrades to its reactors and motors to spice up airflow.
“Contra Costa Well being issued the advisory at a degree when air readings in Crockett confirmed concentrations of hydrogen sulfide above .03 components per million, a threshold at which individuals could expertise signs comparable to complications, nausea, or burning eyes,” the division stated partially Monday, noting residents’ quite a few complaints to regulators, together with the Bay Space Air High quality Administration District.
“There have been no public complaints from residents since late Friday.”
The district stated anybody in search of details about the plant’s operations could name C&H at 510-787-2121 or e-mail communications@chsugar.com.
Contact George Kelly at 408-859-5180.