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Van Walt News
Van Walt Guidelines for sampling for PFAS in Groundwater
November 13, 2024We need to make clear, that at the time of writing, there are no ISO or EN standards which deal with the sampling of groundwater for PFAS.
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Build, test, validate and then deploy
October 21, 2024In my previous blogs covering the initial phases of building telemetry systems I have talked about the importance of setting and agreeing clear requirements and the importance of a site visit. In this...
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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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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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Van Walt Environmental Equipment
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