1.   But bentonite is now infamous, because it can be used as a possible anti-static additive in powdered anthrax spores.

2.   But investigators found no evidence that Baghdad ever obtained the Ames strain and no signs of Iraqi chemical signatures in the powdered anthrax sent to the Senate.

3.   But it is unclear whether Baghdad ever made powdered anthrax of the sort found in the letter sent to Daschle.

4.   Intelligence officials say that Battelle Memorial Institute a military contractor in Ohio, has experience making powdered anthrax.

5.   Private and federal experts are clashing over how much powdered anthrax Dugway has made.

6.   They said the earliest anthrax letter contained a course sample of the bacteria, while a later letter sent to Daschle was filled with finely powdered anthrax.

7.   Two pounds of powdered anthrax efficiently deployed, one researcher notes, would be enough to kill hundreds of thousands of people.