10. Commitments and Contingencies We are currently involved in certain legal proceedings and, as required, have accrued estimates of the probable and estimable losses for the resolution of these claims that, individually or in the aggregate, were not significant. These estimates have been developed in consultation with outside counsel and are based upon an analysis of potential results, assuming a combination of litigation and settlement strategies. It is possible, however, that future results of operations for any particular quarterly or annual period could be materially affected by changes in our assumptions or the effectiveness of our strategies related to these proceedings. Several state and federal regulatory proceedings may require our telephone operations to pay penalties or to refund to customers a portion of the revenues collected in the current and prior periods. There are also various legal actions pending to which we are a party and claims that, if asserted, may lead to other legal actions. We have established reserves for specific liabilities in connection with regulatory and legal actions, including environmental matters that we currently deem to be probable and estimable. We do not expect that the ultimate resolution of pending regulatory and legal matters in future periods, including the Hicksville matter described below, will have a material effect on our financial condition, but it could have a material effect on our results of operations for a given reporting period. During 2003, under a government-approved plan, remediation commenced at the site of a former Sylvania facility in Hicksville, New York that processed nuclear fuel rods in the 1950s and 1960s. Remediation beyond original expectations proved to be necessary and a reassessment of the anticipated remediation costs was conducted. A reassessment of costs related to remediation efforts at several other former facilities was also undertaken. In September 2005, the Army Corps of Engineers (ACE) accepted the Hicksville site into the Formerly