David Wayne Grigsby received the 12-month prison sentence on May 12 after being convicted by a jury on three counts of making false statements to a federal grand jury.
Grigsby was also sentenced to three years probation and ordered to pay a $4,000 fine. Prosecutors had argued for an 18 to 21 month sentence; Grigsby's attorney urged for probation or a time-served sentence.
According to court records, the grand jury was investigating whether coal brokers were committing fraud by submitting "non-representative" samples of coal to a testing service in an attempt to deceive Eastman.
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