The International Organization of Standards has given its stamp of approval to Mannington Mills Commercial in laid flooring operation. The Salem-NJ based company received the ISO 14001 Environmental Standard and ISO 9000 Quality Standard. "This third party certification of environmental and quality excellence is something we're very proud of," said Mannington's senior vice president of operations, Scott Caldwell. "We look forward to achieving combined certification in many more of our businesses over the next couple of years."