Following a direction from the Department of Environment and Heritage (EHP) in August 2013, Yarramine was engaged by Hutchison Quarries to undertake independent monitoring to investigate noise, dust and vibration complaints made by four (4) residences located within the vicinity of the Quarry.  Measurement results obtained during the inveatigation indicated that the Quarry, at the time monitoring was undertaken, was fully compliant with the dust, noise and vibration levels as set out within the operations’ Environmental Authority.