In today’s paper:
FREMONT — Developers can dump hundreds of tons of pesticide-laden soil into the Dumbarton Quarry without endangering the health of nearby residents or visitors to the park planned atop the fill, a state agency has ruled.
The San Francisco Bay Regional Water Quality Control Board says that soil from Patterson Ranch — a 102-acre former farm at Ardenwood Boulevard and Paseo Padre Parkway, where developers plan to build 500 homes — contains about a dozen pesticides but their levels that do not threaten human life or the area’s groundwater.
As a result, as much as 210,000 cubic yards of the soil — equivalent to a 100-foot-high mound of dirt covering an entire football field — can be dumped in the quarry, said Keith Roberson, an engineering geologist with the agency.
But the approval comes with conditions, Roberson said.
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