Rationale: Based off results of spot test, decided whether or nor to continue using soil sample 8

Plate 2 for soil sample 8 spot test completed 10/31/18.

Clear control plate for spot test from 10/31/2018.

Plate 1 for soil sample 8 spot test completed 10/31/18.

Conclusion and Next Steps:

the spot tests showed no sign of phage presence, therefore soil sample 8 will be discontinued.