What's New
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.
Read MoreDubois
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...
Read MoreDubois
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...
Read MoreDubois
Sampling equipment does not need to be expensive
April 18, 2024… especially when it concerns sampling for (soil) pore water.
Read MoreDubois
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...
Read MoreDubois
A lesson in Critical thinking..
March 14, 2024Socrates would have been proud of us last week.. The level of discussion and uncertainty that ensued over what appeared to be a simple question evolved into multiple email chains that deserved to be discussed...
Read More
Full colour magazine containing in depth articles from our customers & contacts
Got a story you want to share? Email David van Walt.
Van Walt Environmental Equipment
A small selection of our environmental equipment