Rewrite the Following Sentences to Make Them More Direct

Essay

Rewrite the following sentences to make them more direct. Keep the meaning of the original.
a) Dehydration, it was decided by the committee, is the number one problem facing production workers working on the factory floor.
b) As of today, I have not received your application. Once I have received it, I can see about an interview.
c) Grade adjustments that become necessary after May 1 can only be made in consultation with the program chair.
d) It has been recently brought to my attention that readers, having read your report, have further questions.