TASK GROUP CRITERIA AND THEIR CONTEXT TRU IN SOIL >400 pCi/g, Corrective Action Required 1,500 m Rem/yr, Lung (150 m Rad/yr) <40 pCi/g, Corrective Action Not Required 150 m Rem/yr, Lung (15 m Rad/yr) 40 to 400 pCi/g, Corrective Action Determined on Case-by-Case Basis FISSION PRODUCTS* 250 m Rem/yr, Whole Body and Bone Marrow 750 m Rem/yr, Thyroid 750 m Rem/yr, Bone 4,000 m Rem/30 yrs, Gonads *50% of Federal Radiation Council (FRC) Radiation Protections Enider (RPG‘s) for Annual Doses for Individuals and 80% of the 30-year Criterion for a Population