Mark A.S. Laidlaw

Mark A.S. Laidlaw is an independent researcher and Senior Environmental Scientist at Geotesta Pty Ltd in New South Wales, Australia. His research focuses on environmental contamination and public health, particularly the effects of historical lead emissions on soil, dust, air quality, and human exposure. His published work has examined childhood lead exposure, urban soil remediation, lead contamination at shooting ranges, and potential associations between environmental lead exposure and health conditions such as preeclampsia and neurodegenerative disease. With academic qualifications in geography and environmental science, he combines environmental research with professional experience in contaminated land assessment and environmental management.