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Dubois
Understanding the requirements – Part 2
July 8, 2024In a previous blog I wrote about the need for clear requirements and why we ask so many questions. To recap, in summary - we cannot recommend, build and install a solution to meet your demands without...
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Sampling equipment does not need to be expensive
April 18, 2024… especially when it concerns sampling for (soil) pore water.
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When inches and millimetres matter
March 18, 2024Despite being of an age when we learned metric alongside imperial, I find it difficult to do the mental gymnastics to convert a foot into centimetres. The grey cells are totally overwhelmed when I’m...
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Spot measurement v. continuous environmental monitoring
August 25, 2023Environmental monitoring has developed considerably over the years. From the time when a consultant went out monthly or quarterly with a dip tape to monitor the groundwater level in a borehole, wind forward...
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Measuring Nitrates (NO3, NO3-N) in the field
June 20, 2023The interest in Nitrates is nothing new. One way or another we have been measuring them for half a century.
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Save time, save money, save effort, get better results – use low-flow sampling…
June 1, 2023A client recently contacted me to ask if we can repair their high flow purge pump and or sell then a new one. They were using it for (among other applications) to purge a 70m deep bore 3 times for a...
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Van Walt Environmental Equipment
A small selection of our environmental equipment