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Classification and acid sulfate soil detection at Ashfield, Western Australia

Scott, B., Taplin, R., Loos, C, and McCafferty, P. (2009) Classification and acid sulfate soil detection at Ashfield, Western Australia. Environmental Health, 9 (3-4). pp. 65-71.

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Soil core samples were collected at Ashfield to determine the extent of Acid Sulfate Soils (ASS), and pin-point hot spots. ASS are major problems to environmental health, to people and infrastructures, from acidity and the movement of toxic heavy metals. Field and laboratory testing were used; (Field pH), Chloride to Sulfate ratios (Cl:SO4), as well as the Suspension Peroxide Oxidation Combined Acidity and Sulfate (SPOCAS) suite. Statistics show that Field pH measurements are sufficient in the detection of ASS; SPOCAS tends to confirm the results of the conservative Field pH measurements. Cl:SO4 ratios do not detect ASS in the same way as SPOCAS and cannot be considered as surrogates for Field pH or SPOCAS techniques. A decision tree presents a basis for analysing ASS, which might be used by an Environmental Health Officer.

Publication Type: Journal Article
Murdoch Affiliation: School of Environmental Science
Publisher: Australian Institute of Environmental Health
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