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1 February 2013 Simplified Microtox® bioassay for drilling waste disposal on lease soils in Alberta
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Abstract

Ashworth, J. and Symonds, C. 2013. Simplified Microtox®bioassay for drilling waste disposal on lease soils in Alberta. Can. J. Soil Sci. 93: 109-111. The Microtox bioassay is specified in regulations governing drilling waste disposal in western Canada. Traditionally, four serial dilutions of waste-derived fluid are tested, to bracket the regulatory Pass threshold concentration. We find that an equally valid Pass/Fail result can be obtained from one test at the threshold concentration. The simplified method has labour and cost-saving advantages.

John Ashworth and Christine Symonds "Simplified Microtox® bioassay for drilling waste disposal on lease soils in Alberta," Canadian Journal of Soil Science 93(1), 109-111, (1 February 2013). https://doi.org/10.1139/CJSS2012-031
Received: 30 March 2012; Accepted: 1 October 2012; Published: 1 February 2013
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