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Snap Sampler
The Snap Sampler suits most groundwater monitoring & sampling situations. A passive type sampler so is particularly helpful in difficult conditions such as with low yield wells…
Groundwater sampling & purge techniques – the importance of acquiring a representative sample
…be no need to renew (purge) the water in the blind section. However the benefits of no purge sampling are numerous. As the name suggests no flow sampling requires no…
Groundwater Monitoring – No purge sampling is the future
No purge sampling is an environmentally friendly groundwater sampling solution. We believe it is better, cheaper, more accurate and can save time in the field, so it’s easy to see…
Extolling the benefits of ‘no purge’ sampling
No purge sampling has been around since 2000 in the US and now, Van Walt, want to ensure it’s a groundwater sampling technique that becomes widely used in the UK….
Window Sampling System
The Van Walt percussion Window Sampling System is a powerful, non-destructive, low disturbance site investigation tool. It uses a GS connection with a screw-on, reinforced cutting edge for high entry…
Advantages & Disadvantages of Low Flow Sampling
…more precise and effective sampling techniques. Low flow or micro purging is now an accepted method in the UK following the publication of BS 10175:2011 in March 2011. With this…
2011 – Expect big things from Van Walt
…to us wherever and whenever you need to! Invaluable information: in 2011 we have committed to label all non-sales information as Technical Updates so you can easily recognise it as…
Frequently Asked Questions
Explore our Frequently Asked Questions (FAQs) to gain insights into our diverse range of offerings. From Soil & Sediment Sampling to Water Monitoring, Telemetry Systems, and Equipment Rentals, find detailed…
Save time, save money, save effort, get better results – use low-flow sampling…
…with far less hassle using a peristaltic pump. It prompted me to write this blog. In 1996 the USA EPA published a methodology of low flow (micro purge) groundwater sampling….
Groundwater Sampling Bailers
Groundwater Sampling Bailers offer a quick and easy method of purging and sampling. Bailers are a useful addition to your groundwater equipment collection because they are good value and easy…
On trend for a simplified, accurate sampling process
…not talking about the ‘Post-it’ here! No doubt you have heard of the groundwater sampling techniques known as passive sampling or ‘no-purge’ sampling? In America it has increasingly gained acceptance…
Groundwater Sampling Filters
Van Walt’s Groundwater Sampling Filters for on site in-line filtration. We offer three types of Disposable In-Line Filters. So ideal for on site in-line filtration that is required when sampling…