Exposure - Being exposed to ionizing radiation, radioactive material, or other hazardous materials. Radiation exposure is measured in Roentgens (R) or the subunit milliroentgens (mR). For practical. purposes, one roentgen is equal to one rem.
581-590 Credit Score: A score in this range is evident of a poor credit history, which is a turn-off for many lenders. 591-600 Credit Score: Get your score up to 600 to become eligible for more types of loans and at lower interest rates. This is still borderline poor credit.
There also are many different credit scoring models. Scores can vary widely based on the credit scoring model used and the range for that particular scoring model. For example, a credit score of 680 on a scale that goes up 950 is very different than a credit score of 680 on a scale that goes up 850.