Millennium Inorganic Chemicals Ltd (MIC) manufactures titanium dioxide pigments for the coatings and plastics markets. MIC's Australind Plant, located at Lot 4 Old Coast Road, was established in 1963. However, since operations started, residential density has increased with the nearest residents in Laura Avenue only 150 metres from the northern plant boundary. The company considers that the proximity of neighbors made it unlikely that its noise emissions could practicably comply with the prescribed noise limits. This report presents the EPA's formal advice on the application under noise regulation 17(3)(b)(ii).