NEW YORK (CBSNewYork) — A Long Island man accused in a toxic dumping scandal in the Town of Islip is now facing new charges of tax evasion.

Christopher Grabe, 37, of Coram is accused of not paying $29,000 dollars in state income taxes after failing to report nearly $500,000 dollars in wages for three years,WCBS 880’s Sophia Hall reported.

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Grabe only smiled and said “good morning” when he walked out of the courtroom Wednesday after being released on his own recognizance.

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“My client maintains his innocence, he asserts that it’s a misunderstanding that’s going to sort itself out,” attorney Alia Richards. “When the facts are all laid out on the table we believe it’s going to sort itself out.”

A few months ago, the district attorney said Grabe along with others from the Datre Companies dumped toxic waste at several sites in the Town of Islip, including a housing development for returning military veterans.

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Prosecutors began investigating in 2013 after investigators discovered about 50,000 tons of debris laced with asbestos, pesticides and other material at Islip-owned Roberto Clemente Park in Brentwood.