Officials had expected only about 25 percent to have them.
Officials expect to have 400 to 500 students at the center by the summer.
Officials expect a final result to take two or three weeks.
The 500,000 mark was reached seven weeks earlier than officials had expected.
Officials expect the plant to be ready for its workers to return by the fall of next year.
Officials expect the number to rise to 20 to 30 during the next few years.
About 28,000 cases occurred from 1984 to 1990, well beyond the total Federal health officials had expected.
Officials expect the figure to rise by 10 percent this year.
But officials expect the figure to grow, maybe into the thousands.
Officials expected 5000 people to take part in this celebration.