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Synagro Technologies gave two payments to Detroit City Councilwoman Monica Conyers in late 2007. The company paid Mrs. Conyers for her support on a $47 million contract for sewage sludge processing and incinerator construction/operation. A court accepted Monica's guilty plea.
The Carlyle Group purchased Synagro Technologies in April 2007. They charge affiliates a management fee for their operational expertise.
(Note: Carlyle and their energy joint venture Carlyle/Riverstone paid $50 million to New York State to make a pension pay for play investigation disappear.)