Luke Ripper

Team Leader - Occupational Hygiene, GCG

Luke holds a degree in Exercise Science, Graduate Diploma in Occupational Health and Safety and a Masters in Occupational hygiene and Toxicology. Luke is a certified occupational hygienist with GCG, and is currently the Occupational Hygiene Team Leader for the SEQ Operations. He has been working in occupational hygiene since 2009 following a career in Exercise Science. Over his career Luke has worked in mining, manufacturing, aerospace, defence, construction. Luke currently provides corporate occupational hygiene oversight to multiple top 200 ASX listed companies. More recently Luke has taken on the role of Managing the occupational hygiene program on the $5.4 billion Cross River Rail project in Brisbane.


The exposures of workers to respirable dust (specifically the crystalline silica component) can have a significant impact on workers’ health. Traditional, and legislatively mandated, monitoring for respirable dust and crystalline silica has been undertaken by sampling in the worker breathing zone over the period of a worker’s shift providing a Time Weighted Average (TWA) result based on the volume of air sampled.Whilst the sample provides a result that may be compared to the relevant Workplace Exposure Standard (WES) it does not provide any information as to the events that occurred during the monitoring period.Samples taken in the traditional sense must be sent away to a lab and analysed before results will be known. Worker’s understanding of what risks are associated with their activities and how to control them, is essential to enhance their health and safety. A variety of applied training methods have been utilised within the wider industry, and the common method of using a training class has been found to have a limited effect due to a number of factor. Hence, more specific training is needed to increase awareness and educate the workers about their exposure. To address the pitfalls in training models that primarily rely on classroom based or after the fact training. By undertaking a sampling and training procedure whereby sampling is undertaken for respirable dust using a real time monitor and a personnel video recording device (GoPro) which recorded the subjects tasks for the duration of the sampling period. The information gathered from both devices can be combined using a software package (EVADE). This information when analysed, with the help of the worker to identify the activities/work captured on the video that co-insides with measured respirable dust levels. This evaluated video and data can then be used to educate the workers and work group around the high exposure tasks by being able to both graphically and visually demonstrate the impact certain tasks have on exposure. Through this education process it is expected that workers will have an increased awareness of the sources of exposure to respirable dust and thus present with either a change in behaviour or a greater intention to change in adverse and hazardous behaviour (as it relates to respirable dust exposure).


Wednesday 2nd Dec Day 3

Raising workers' awareness of respirable dust exposure using real-time monitoring and video analysis