Review Of No-Purge Groundwater Sampling

Download Technical Bulletin Changes in legislation, combined with improved and lower cost sampling instrumentation, have encouraged consultants, researchers, and government agencies to obtain higher quality groundwater samples.  No-purge, also known as passive or grab sampling, is one method that is gaining acceptance by many regulatory agencies for obtaining representative groundwater samples.  The ITRC (Interstate Technology… Continue Reading »

Solinst Low Pressure Pneumatic Packer Test Setup With Levelogger

Packer Tests Using Low Pressure Pneumatic Packers

Packer Tests & Hydrogeological Characterization Estimating aquifer properties, such as hydraulic conductivity (K) and permeability is an essential part of site characterization and creating accurate conceptual site models during site investigations. The data gained through aquifer characterizations help to plan further monitoring programs and remediation efforts. Packer Tests are a great way to obtain these… Continue Reading »

Water Level Data Helps To Understand The Effects Of Climate Change On Alpine Lakes

Download Newsletter The Canadian Rocky Mountain Parks are designated as UNESCO World Heritage Sites for their “exceptional natural beauty”.  The seven parks – Banff, Jasper, Kootenay, Yoho, Mount Robson, Mount Assiniboine, and Hamber – are known for their scenic mountain peaks, meadows, canyons, caves, hot springs, and glaciers. Their pristine alpine lakes also draw millions of visitors to the… Continue Reading »

Sustaining Groundwater Resources In A Unique Region Of South Africa

Just 200 km north of Cape Town, South Africa, you’ll find a unique area that boasts a wide range of landscapes – from rugged mountains to lush river valleys. Groundwater feeds this region. Recently, demand on the high-quality resource has increased. There are over 50 relatively high-yielding groundwater abstraction wells used by the rural community. Continue Reading »

Tiny crab makes a Levelogger home.

Water Level Data Critical For Successful Coastal Wetland Restoration

Restoring Coastal California Wetlands Over 90 per cent of historical coastal wetlands in South Central California have been lost due to development. One such area is the former upper arms of the Devereux Slough, located just northwest of the University of California, Santa Barbara (UCSB) main campus. In the 1960s, the wetland was filled to create… Continue Reading »

Getting The Best Quality Samples From Your Double Valve Pump

Solinst Double Valve Pumps Download Technical Bulletin Double Valve Pumps can provide high quality, representative groundwater samples. However, to get the best quality samples from your pump, it is critical to understand how the Double Valve Pump works and how to operate it properly. Double Valve Pump Operating Principles When a Double Valve Pump is submerged,… Continue Reading »