1.   Air quality is rapidly deteriorating in our cities.

2.   Credit quality has deteriorated rapidly in recent months, both for Marketable debt and for bank loans.

3.   During the interim period, air quality has deteriorated.

4.   Americans who willingly swim in a sea of ignorance can blame themselves when the quality of their lives deteriorates.

5.   And yes, its high fat content means that its quality deteriorates rapidly once the fish is out of the water.

6.   And the loss of trees and green space increase the feeling that the quality is deteriorating uncontrollably.

7.   Credit quality already is deteriorating, evidenced by the lower third-quarter profits posted by many banking firms.

8.   Credit quality deteriorated in other areas, though, as commercial and credit card losses surged.

9.   Credit quality deteriorated, as commercial and credit card losses surged.

10.   Credit quality deteriorated compared to the year ago quarter.