The uncertainty for attempting to extrapolate the yearly radon concentration from a five to seven day sample is huge: about +/- 90% (at the 90% confidence level) 17. For this reason, a single CC reading (or indeed several) cannot be used to estimate the annual radon exposure in a house.
The Defeasance Clause. As part of a mortgage agreement, the defeasance clause provides the buyer the right to secure the title, or deed, for the property once the debt is paid in full. Prior to that time, the financial institution backing the loan has all rights to the title as it functions as collateral for the associated debt.
What is 'Defeasance Clause' A mortgage provision indicating that the borrower will be given the title to the property once all mortgage terms are met. The defeasance clause is not required in states using property liens as collateral for a mortgage. In this sense, the clause is a substitute for collateral. A mortgage provision indicating that the borrower will be given the title to the property once all mortgage terms are met.  In this sense, the clause is a substitute for collateral.