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.
The FICO credit score range is 300-850, meaning that any individual with a credit history will have a FICO score within that range. Lenders interpret higher scores as representing less risky borrowers and lower scores as riskier borrowers.