Ecomaine said it was most likely caused by a load of waste containing iodine which is commonly used in pharmaceuticals, disinfectants, inks, animal feed supplements and photographic chemicals.
“This was probably caused by a larger than normal amount of iodine present in the waste stream all at once,” according to Kevin Roche, CEO of Ecomaine. “Fortunately, our plant employees were able to correct the situation in 2 ½ hours and get the plant back to normal operations.
It's medical Waste.