It took them a while, but Production Pattern and Foundry denies they instructed any employees to dump production waste, which is illegal. In a statement, the Mound House company blames an ex-employee for the video, which they suggest was staged to promote the disgruntled employee’s agenda. The statement says the company is cooperating with a federal EPA investigation. The Company employs about 200 people and specializes in the manufacture of aluminum alloy casings.