1.   But a permanent injunction prevents the Agriculture Department from suspending inspections on the basis of the failed salmonella tests.

2.   The closing of the plant in Dallas, which had failed three salmonella tests, was the first under the new regulations.

3.   The salmonella tests added to the cost of ground beef.

4.   The department tried unsuccessfully last year to shut down a Dallas beef processor after the plant failed a series of salmonella tests.

5.   The plant had failed a series of salmonella tests.

6.   The plant had failed three salmonella tests.