The scientist in 2006 admitted faking his findings, after questions of impropriety had emerged.
"We find those facts raise at least an appearance of an impropriety, " the report says.
Earlier this year, Halliburton severed ties with KBR ex-chairman Jack Stanley over allegations of financial impropriety.
In a pleading, Wang admitted sending e-mails but denied impropriety, as did Brodsky and Stephan.
This is why disclosure of industry ties is necessary to avoid even the appearance of impropriety.
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The government and the KFF are at loggerheads over allegations of financial impropriety and mismanagement.
She has accused Clinton of groping her outside the Oval Office, but he has denied impropriety.
Any suggestion of impropriety in this respect was briskly brushed aside at the council.
And if it's not the gaffes, it's the graft or at least, the appearance of impropriety.
Perhaps most damaging of all, rumours of impropriety continue to swirl around her influential businessman-husband, Taufik Kiemas.
Moreover, Mr Thaksin has endured accusations of impropriety with little apparent discomfort over the past few years.
Fortunately WestLB is too small a bank for its impropriety to have had an effect on financial markets.
The commentary was accompanied by slow-motion extracts from the match, sad music and blurry shots implying financial impropriety.
Sri Lankan Chief Justice Shirani Bandaranayake has denied allegations of financial impropriety levelled against her by the government.
Cervelli said he consulted with Bosch while recovering from a broken foot but said there was no impropriety.
Most of the companies accused of impropriety are privately run, not state-owned enterprises.
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If he could do it again, might he do anything differently, if only to avoid the whiff of impropriety?
Because the appearance of impropriety is as powerful as the act of impropriety.
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And then there is a part of my naivety that says the appearance of impropriety is enough of a deterrent.
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Rexall Sundown, the United States distributor of Cellasene, has already been accused of impropriety regarding another product called Osteo Bi-Flex.
The Gallops deny any impropriety and are fighting both the revocation and a big personal tax bill in U.S. Tax Court.
Orr resigned his partnership at Jones, Day, although not required by law, in order to avoid any appearance of impropriety, he said.
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There is another reason not to merely toss outlying scores: Recent news from London suggests it doesn't suffice to prevent deliberate impropriety.
Petra Bank, which became a leading private bank in the country, collapsed in 1990 amid allegations of financial impropriety by Mr Chalabi.
And the appearance of any impropriety, I didn't want to have it.
Mr Martin denied any impropriety and asked the independent auditor-general to investigate.
Obama pleaded ignorance, but Secretary of State John Kerry and his staff denied any impropriety and vowed that all questions would be answered.
The investigation is part of a wide-ranging anti-corruption drive in Chongqing and across China, in response to rising public anger at official impropriety.
My concern arises when the appearances of impropriety are raised over and over again with a person who has such influence over public policy.
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And he added that an inquiry had shown "there is not a single scintilla of evidence of any impropriety whatsoever" by current cabinet ministers.
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