If a water treatment system needs to implement a process to achieve $99\mathrm{.}9999\%$ inactivation or removal of a pathogenic microorganism, what does this correspond to in in terms of "log credit"?

A$)0\mathrm{.}000001log$ credit

B$)0\mathrm{.}0001log$ credit

C$)1log$ credit

D$)2log$ credit

E$)4log$ credit

F$)6log$ credit