Sentences with phrase «nearby groundwater wells»
It was considered a model of successful recycling of coal combustion waste until tests of nearby groundwater wells discovered arsenic and lead levels exceeding drinking water standards, according to city water tests.
https://www.scientificamerican.com/ Not exact matches
The study uses four statistical approaches, which come to the same conclusion: «there is no significant correlation between dissolved methane concentrations in groundwater and proximity to nearby oil / gas wells.»
They looked at more than 2,300 samples from 234 natural gas wells during mud gas logging, and 67 private groundwater supplies prior to natural gas development occurring nearby in a five county area.
Combined, the results of all four statistical approaches yield a defensible, compelling argument that there is no significant correlation between dissolved methane concentrations in groundwater and proximity to nearby oil / gas wells.»
A new study links elevated levels of methane and other gases in groundwater to nearby hydraulic fracturing wells on the Marcellus shale, and suggests the problem lies in poorly designed well casings
«And nearby wells allow us to look at concentrations of the chemicals that reached the relatively deep groundwater across the site.»
A better approach would be to foster collaborative projects aimed at resilient urban design, improved water treatment and efficiency (to cut demand for groundwater pumping) and landscape management in fast - growing delta cities and nearby regions.