1.   At issue is whether the EPA must require companies to test dumping materials for contaminants in addition to ones for which the agency has established treatment guidelines.

2.   AIDS experts in the United States are about to complete a humiliating U-turn when the Department of Health and Human Services launches its revised HIV treatment guidelines in January.

3.   But other researchers have said changing treatment guidelines at this point would be premature.

4.   Carpenter is in charge of producing the U.S. version of the International AIDS Society treatment guidelines.

5.   Dr. Robert Eckel of the American Heart Association is helping a medical coalition draft treatment guidelines concerning who should be tested.

6.   HMOs insist on rigid treatment guidelines.

7.   Other researchers agreed that his findings were important, but said that they thought it was premature to let the results influence treatment guidelines.

8.   Since then, the combination has been included in treatment guidelines for heart failure patients.

9.   Smith said that similarly strict treatment guidelines could be used with AIDS medicines.

10.   Still, HMOs also say the legislation could interfere with their ability to establish treatment guidelines for doctors to provide high quality and cost-effective care.