1.   The Carver-Greenfield process promised an energy-efficient way to produce dry powder from wet sewage sludge.

2.   To kill large numbers of people, the bioterrorists would have to be able to produce the powder in quantity and figure out how to spread it.

3.   But Ebright thinks the powder was produced much closer to its target.

4.   Iran has factories to produce aluminum powder in the Jajram region of northeastern Khorasan province and the Gulf port of Bandar Abbas in the south.

5.   The enriched gas is then processed to produce a powder of enriched uranium oxide.