move along. >> i was not aware of the amount. >> not the amount, aware of the raises. >> i was not aware of the amount or the bypassing of the ppo process not being respected. >> reporter: pruitt also refusing to take the blame for the $40,000 soundproof booth installed in his office. >> i did not have access to secure communication. i gave directions to my staff to address that and out of that came a $43,000 expenditure that i did not approve. >> reporter: congressional republicans several aides say i increasingly frustrated with all the allegations but are unified in support of pruitt's deregulatory agenda. >> it's been a classic display of innuendo and mccarthyism. >> mr. administrator, you're not the first person to be the victim for lack of a better term, washington politics.