41.   Postal officials said that plastic wrapping around the treated mail had reacted at higher temperatures, creating a higher than acceptable level of carbon monoxide.

42.   Plot lines themselves have yet to reach an acceptable level of inspiration.

43.   Rhone-Poulenc is banking on its pharmaceuticals unit to return to an acceptable level of growth.

44.   Rogerson declined to say what an acceptable level would be.

45.   Service at most enterprises remains at acceptable levels even when the inexperience of some employees is obvious.

46.   She fears that some may try to do so before the risks have been reduced to an acceptable level.

47.   She also set acceptable levels of arsenic in drinking water at the same level proposed by the Clinton administration.

48.   So the economy may attain an acceptable level without more rate increases.

49.   So what is an acceptable level of mistakes?

50.   The acceptable levels also apply to refrigerator ice makers and kitchen instant-hot-water taps.