Washington ( CNN ) -- A day after the head of the General Services Administration resigned because of a procurement scandal at the federal agency , officials vowed Tuesday to implement spending reforms and disciplinary action she announced on the way out the door . A letter Monday from now-former GSA Administrator Martha Johnson agreed with the recommendations of the GSA inspector general in a report that documented massive overspending , questionable expenditures and a cavalier attitude toward procurement rules surrounding a regional training conference held in Las Vegas in 2010 . The inspector general 's report on the GSA `` Western Regions '' training conference showed the government spent more than $ 822,000 for the 300 attendees , including $ 75,000 on team-building exercises , $ 6,000 on commemorative coins and $ 6,000 on canteens , keychains and T-shirts . Johnson said the details in the report are `` egregious , '' and `` absolutely unacceptable , '' and she announced measures that include `` disciplinary action against several senior management officials . '' Johnson 's letter to the inspector general did not name names , but a congressional panel late Tuesday said the agency 's Public Buildings Service Commissioner Robert Peck was fired . Before she resigned Monday , Johnson canceled certain GSA regional training conferences in the future , put others under the oversight of different agency officials and announced tighter controls and review over GSA 's procurement and contract spending . U.S. House lawmakers now plan a hearing to review the findings and potentially call for additional steps . Florida Republican Rep. John Mica issued a statement saying `` the tab even included a clown for entertainment . This is just the tip of the iceberg . '' Mica is chairman of the House Transportation and Infrastructure Committee , the panel that will hold a hearing on the matter within weeks . The misconduct allegedly started during planning for the Las Vegas event about two years ago . After Johnson 's resignation Monday , the administration named as acting administrator Dan Tangherlini , who was brought over from the U.S. Treasury Department . Tangherlini said in a letter of introduction to GSA employees that the agency was taking some immediate action `` to ensure that our customers maintain their faith in our services . '' Those measure include a review of planned conferences and meetings that involve travel or substantial expenditures of public funds and the cancellation of a number of conferences that only or primarily involved staff , he said in the letter . Tangherlini also the agency would evaluate its conference and travel policy and business justification . Among the items cited in the inspector general 's report was a $ 12,000 finder 's fee paid to an outside company to book the `` M Resort '' complex and hotel for the convention , despite the fact the GSA has event planners on staff who are supposed to do that on the agency 's behalf . Then there was the food bill . The inspector general 's report hit GSA for catering events portrayed as `` awards '' ceremonies , apparently as a pretext to having the expense covered . The `` awards '' were for entertainment , in what the investigation said was a talent show among participants . In its findings , the report said : `` The proper purpose of an awards ceremony is to give out awards recognizing significant contributions to the efficiency and effectiveness of government operations , rather than holding an event and giving out awards as an ancillary purpose to justify food . '' The investigation was prompted by a GSA deputy administrator , according to the report , who asked for a probe of `` employee misconduct '' and questionable spending on activity surrounding the Western Regions conference held at a resort hotel in October , 2010 . GSA employs nearly 13,000 people across the country , and is the federal agency that buys and manages goods and services for the government ranging from envelopes to real estate and office buildings . As staffers got word of the 16-page report , reaction Tuesday was described as grim . GSA press secretary Gregory Mecher told CNN , `` I think there 's a general feeling of being disturbed , and that people are appalled by the report . '' Also Tuesday , the watchdog group Common Cause called the report `` mind-boggling , '' and praised the GSA official who came forward to make the allegations . In a statement obtained by CNN , Common Cause president Bob Edgar said , `` Every federal employee should be looking at every expenditure with a critical eye and asking : 'Is this necessary ? Does it serve the public interest ? ' '' Another group , Public Notice , which urges a policy of fiscal restraint , issued a statement Tuesday that said `` GSA 's boondoggle is a small symptom of a much larger problem '' of government overspending . Executive Director Gretchen Hamel called on congressional lawmakers to cross party lines , negotiate and craft a sustainable federal budget .
NEW : Acting GSA head promises immediate action to maintain `` faith in our services '' House head Mica resigned A day over agency spending . A government report cited GSA 's spending $ more than $ 822,000 on a training conference . A GSA panel plans hearings ; its chairman says , `` This is just the tip of the iceberg ''