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    RE: Infiltration of secondary recharge through thick...

    Posted in: Groundwater Forum

    Here are a few references that might be of interest: "Groundwater Recharge in a Desert Environment," published by AGU in 2004 as part of the Water Science and Applications (#9 in the series). J.F. Hogan, F.M. Philips, and B.R. Scanlon are the...

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    RE: No-purge sampling references

    Posted in: Groundwater Forum

    Very good continued discussion. Passive methods are not ALL "bias free" so don't be too broad, Andy. Many of them show parity, but not all of them. Demonstrating accuracy is still important for any method. Why would wells yield the same results...

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    RE: No-purge sampling references

    Posted in: Groundwater Forum

    You should take a look at "Passive Diffusion Bags" and "HydraSleeves". Both of these sampling methods allow you to collect samples which have shown to have comparable analyticals. Just do a web search for either of the above and you'll find the information...

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    RE: No-purge sampling references

    Posted in: Groundwater Forum

    Go to NGWA's website and search passive diffusion bags (PDBs). There are confirmation studies. I disagree that all methods produce bias. The accepted methods in the industry are used because no statistically significant bias (regarding the specified...

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Groundwater Industry News

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An ordinance that would regulate the sale and transfer of groundwater in Merced County is one step closer to being approved.

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State investigation finds contaminants in downtown Laramie groundwater

A groundwater investigation in downtown Laramie has found a handful of pollutants that exceed federal maximum levels.

Contaminants found in Laramie groundwater

A groundwater investigation in downtown Laramie has found a handful of pollutants that exceed federal maximum levels. The Wyoming Department of Environmental Quality hired Trihydro Corp. to drill about ...

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