Qualification Plan

Start of Qualification

Production of 2,000kg K2

Approved

QA tests?

Put material on MRB, stop and

re-evaluated

Yes

No

Compare K2 results vs previous

behavior

Significant difference?

Stop and

re-evaluated

Released and Ship K2 to KBP

Yes

No

Yes

Production of 2 reductions Ta powder

Approved

QA tests?

Stop and

re-evaluated

No

Approved

QA tests?

Compare Ta powder results vs previous

behavior

Put material on MRB, stop and

re-evaluated

No

Yes

Significant difference?

Yes

Yes

Released and Ship Ta powder to Anodes

No

End of Qualification