 On August 10, 2015, the boards of directors of Berkshire Hathaway Inc. and Precision Castparts Corp. unanimously approved a definitive agreement for Berkshire Hathaway to acquire, for $235 per share in cash, all outstanding PCC shares, for a total sum of $37 billion including assumed debt.The sale was finalized on January 29, 2016, on which date Berkshire Hathaway took ownership of Precision Castparts.In May 2011, toxic chemicals such as nitrogen dioxide and hydrochloric acid were unexpectedly released at the company's titanium plant on Johnson Creek Blvd.