51.   The attacks have eroded air defenses to the point that allied pilots can fly virtually anywhere with an acceptable level of risk, Wilson said.

52.   The air quality has returned to normal, said Irby, with acceptable levels of carbon monoxide, carbon dioxide, formaldehyde and airborne asbestos.

53.   The carbon monoxide was one-tenth of the acceptable level.

54.   The crises in Bosnia and Kosovo have been handled shakily but steadily, with allied partnerships, and kept at a publicly acceptable level of violence.

55.   The Health Department issued its first report earlier this week, indicating higher than acceptable levels of radioactivity in the water from two wells.

56.   The question now is how much rate-raising remains for the Fed to do to get the economy, and inflation, to acceptable levels?

57.   The second week looked fine with an acceptable level of falloff.

58.   The supplies of O-negative, A-positive and A-negative were at the minimum acceptable level.

59.   The ultimate threat is that the FDA might find grounds to dictate acceptable levels of nicotine in cigarettes or ban them altogether.

60.   The U.S., Japan, and Germany came closer to agreeing that the dollar has now rise close to levels acceptable to all three countries.