Robert Buchanan, a retired Bethlehem Steel employee waits for the start of a presentation about health care options at United Steelworkers Union Local 2609. With the March 31 termination of their health care benefits approaching. retirees of Bethlehem Steel Corp.'s Sparrows Point division are scrambling for guidance on what to do for health care coverage. The troubled steel maker's had to jettison health care coverage for its retirees as part of its new plan in bankruptcy to sell itself to a healthier steel company. But the move leaves around 15,000 Baltimore area retirees with the prospect of paying significantly more for health care coverage.