Each State should have a "brownfield inventory" or a listing of contaminated sites. For Mississippi, it can be found at http://list.brownfields.ms and is referred to as the CERCLA/USS File List. If you're not sure where to find your State brownfield inventory, contact your State Brownfield Coordinator; or, if you have a Phase I ESA with an EDR Report (more to come on that in a later discussion thread), look up the reference to the "State Inventory" of contaminated sites. The EDR Report will typically list the frequency that the list is updated.
For Mississippi, the brownfield inventory is usually updated monthly. Any changes from month to month typically represent (1) changes is site status (site has been cleaned up and has received a "No Further Action" Letter), (2) minor typographical modifications or addition of information like latitude/longitude, or (3) NEW SITES ADDED TO THE INVENTORY. When sites are added to the inventory, they may be still in the market for an environmental consultant. Perfect time for a call.
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