The change in policy comes after an EPA task force criticised management and produced evidence of questionable charges from private cleanup contractors.

If you do catch a questionable charge, call the company responsible and politely but firmly ask for an explanation.

The riot was touched off on May 31, 1921, after the arrest of a black man on a questionable charge of assaulting a white woman.

All told, the auditors' report calculated that Father Fay was responsible for $1.4 million in questionable charges and payments since 2000.

He came under scrutiny for questionable charges he had made on a county credit card that officials now say he obtained with a falsified application.

At the very least, using a credit card buys you some time, since credit companies are legally required to suspend a questionable charge while they investigate it.

The group is urging its members to join a "neighborhood fraud watch," which will scrutinize Medicare statements for questionable charges.

Federal officials and the A.A.R.P. say that any questionable charge should be investigated.

An F.B.I. official said that when beneficiaries reported questionable charges, they might be seeing "only the tip of an iceberg."

Unlike the Federal grand jury, Mr. Morgenthau added a questionable charge of bribery.