1.   Although some pieces initially tested positive, none were found to contain residue when subjected to more rigorous review in Washington, investigators have said.

2.   And they said that the new evidence, to be accepted by the agency, would have to pass rigorous scientific review.

3.   Any deal between the two companies is likely to face a rigorous review by regulators including the Federal Communications Commission.

4.   As a non-Bell company, SNET has been allowed to sell long-distance service without going through the rigorous FCC review so reviled by the Bells.

5.   Because Cellasene is marketed as a dietary supplement, it does not have to undergo rigorous review by the Food and Drug Administration.

6.   Bell Atlantic officials said the regulatory process in Massachusetts should proceed smoothly because the company has gone through a rigorous review in New York.

7.   Both tribes already had completed a rigorous review by the Gambling Commission and were only waiting for the panel to give final approval.

8.   But the FAA has decided that more rigorous review is required.

9.   But SNET, like the hundreds of other non-Bell local phone carriers, has been allowed to sell long-distance service without undergoing such a rigorous federal review.

10.   I was in charge of the Environmental Protection Agency office that developed these new standards under rigorous scientific review.