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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…
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…
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…
Ratifying the latest technique for Groundwater Monitoring
…accurate results, acquired safely, quickly and cost effectively: Passive sampling. Passive sampling is sampling a groundwater monitoring well using a device that is deployed in the well in advance to…
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….
The rise & rise of Passive Sampling
…that has undergone extensive tests is passive sampling. The results are impressive and contained in their latest guidance notes, December 2014: PASSIVE SAMPLING FOR GROUNDWATER MONITORING: TECHNOLOGY STATUS. The department…
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…
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…
QED Passive Skimmers
Passive Skimmers have been designed for product-only (LNAPL) recovery applications in sites where active pumping systems are not applicable due to existing conditions or extreme low permeable formations. The floating…
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…
Passive Sampling Survey: Results
Thank you to everyone who took part in our recent passive sampling survey, your feedback has given us a much better understanding of the knowledge and perception of this sampling…