One of two informational meetings about Boston Environmental's plans to cap the Cecil Smith landfill in Dartmouth with contaminated soil stretched long into Thursday night.

Nearly 50 residents heard from DEP officials, who say the soil being used to cap the site is well within state standards as far as contaminants go.

Dartmouth Planning Board member Joe Toomey spoke in opposition to the plan, in fear that runoff from the cap will contaminate nearby drinking water supplies.

Suspecting continuing degradation of debris already in the landfill, resident Robert Michaud called for radar testing of the grounds in search of containers that may have been buried there years ago.

Most of those who spoke Thursday night asked the DEP to look into the feasibility of remediating the Cecil Smith landfill, rather than dumping more contaminants onto the property.

Another informational meeting is scheduled for July 11 at 5:30pm in the Dartmouth High School auditorium.

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