The federal brownfields statute defers jurisdiction of such sites to the state so that, in effect, the brownfields agreement is the agreement that governs the liability from the state and federal level.
The maximum FICO score is 850 (minimum 300). Another common credit score is the VantageScore; the maximum is 990 (minimum 501). There are other credit scores, from the credit bureau and other third-parties. If you purchase one of these scores, the score provider will give you the scale for that score.
One of the most well-known types of credit score are FICO Scores, created by the Fair Isaac Corporation. FICO Scores are used by many lenders, and often range from 300 to 850. A FICO Score above 670 is considered a good credit score on these models, and a score above 800 is usually perceived to be exceptional.