Neighbors have long blamed it for high levels of benzene, an element of coke oven gas.

WSJ: NY coke plant, manager convicted in pollution case

Kamholz was accused of instructing an employee, prior to a 2009 inspection by the U.S. Environmental Protection Agency, to conceal the fact that an unreported pressure relief emitted coke oven gas directly in the air, a violation of its operating permit.

WSJ: NY coke plant, manager convicted in pollution case