House of Assembly Fifty-Fifth Parliament, First Session (55-1) 55 1 Parliament of South Australia House of Assembly published Petitions Boral Linwood Quarry Boral Linwood Quarry Mr DIGHTON House of Assembly Black Mr DIGHTON (Black): Presented a petition signed by 553 residents of South Australia requesting the house to urge the government to take immediate action to have crushing activities at the Boral Linwood Quarry monitored more stringently and enforcement action taken when safe operating guidelines are not met in the interest community health and safety, including that Boral be required to perform immediate upgrade to ensure that dust does not escape the confines of the crushing plant and that Boral communicate to affected residents when the crushing plant is operational and local atmospheric conditions are potentially hazardous.