WILLOUGHBY, AUSTRALIA--(Marketwire - October 01, 2007) - Sonomax (TSX VENTURE: SHH). Living up to its core belief that “Wherever Rio Tinto operates, health and safety is the first priority”, the Rio Tinto Group established a target that no employee would be exposed to noise greater than 82 decibels at the ear, the level necessary to protect employees’ hearing. With executive offices in Melbourne, Australia, Rio Tinto Group has become Sonomax Hearing Healthcare Inc.'s largest customer, with approximately 2,000 workers now fitted with Sonomax’s advanced hearing protection technologies.
