1.   Testing to confirm the remaining victim goes on, with Shanksville anxious for this bit of finality.

2.   If the first sample is positive, the second sample is tested to confirm the original result.

3.   If the A sample tests positive, the B sample is tested to confirm the original finding.

4.   Lund said he was waiting for gas samples to be tested to confirm which chemicals had leaked from the plant.

5.   They faced a second round of testing to confirm the cases.

6.   They will undergo DNA testing to confirm their identities, said fire department spokesman David Billig.