In a ruling released late Thursday, a federal judge again has determined that a lawsuit against the developer of the Grasslands and Oakbridge communities in Lakeland alleging radiation contamination in the soil will go forward.

TAMPA — In a ruling released late Thursday, a federal judge again has determined that a lawsuit against the developer of the Grasslands and Oakbridge communities in Lakeland alleging radiation contamination in the soil will go forward.

U.S. District Judge Elizabeth Kovachevich rejected all of Alabama-based Drummond Co.’s arguments cited in a motion to dismiss, and ruled that lawyers for two residents have alleged enough facts to support their claims of residual gamma radiation from Drummond’s phosphate mining and subsequent reclamation in the late 1970s and early 1980s.

The lawsuit alleges that gamma radiation levels in the two developments have been measured at 11 to 21 times that of federal acceptable risk levels. It seeks compensation for cleaning up the contamination and a medical-monitoring program for residents in the 1,400-acre development.