Posted on 11/29/2011 10:47:16 AM PST by Erik Latranyi
A study by Penn State researchers is being revised after test results apparently linking increased bromide in some water wells to Marcellus Shale gas drilling were traced instead to a lab error.
An error notice was published on Nov. 22 on the website of the Center for Rural Pennsylvania, which funded the study and released it in late October.
According to the notice, an accredited laboratory contracted by the researchers incorrectly reported the bromide concentration data that was used in the original report. Updated data showed that increased bromide levels were recorded in one of 42 water wells, not seven wells as originally reported.
The one affected water well also showed increased levels of chloride, hardness and other parameters days after a Marcellus well about a quarter-mile away was hydraulically fractured, but "nearly all" of the increased parameters, including bromide, "had nearly returned to pre-drilling concentrations" after 10 months, according to the notice and the original report.
The study of 233 water wells in 20 Pennsylvania counties did not find any statistically significant increases in methane after drilling or evidence of contamination from the most prominent pollutants found in the wastewater that flows out of natural gas wells after hydraulic fracturing.
In the initial report, the study's authors used the now-discredited bromide finding to advocate tripling the distance around a natural gas well where drillers in Pennsylvania are currently presumed responsible for contamination from 1,000 to 3,000 feet.
(Excerpt) Read more at thedailyreview.com ...
Ping.
Ping.
so what was the lab error ? changing the 1 to a 7 ?
It was only an error because they (Penn State) got caught lying about the data, so an error was found. BS
bflr
Today so many people who go into the sciences have an agenda.
Labotage.
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