Sentences with phrase «stream water samples»

168 stream water samples were taken over 2008 and 2009, representing the water quality before and after the ban took effect.

Not exact matches

So she and her team collected samples of water trickling out of seven Alaskan thermokarst failures into nearby lakes and streams.

Hydrologist Robert Gilliom of the U.S. Geological Survey (USGS) and his team tested waters in 51 areas across the country for 75 pesticides between 1992 and 2001, including water samples from 186 streams and more than 5,000 wells along with sediment from more than 1,000 waterways.

As the spacecraft sidled up to the comet, it sampled the water streaming from the comet body and found 67P's D / H ratio to be staggeringly high — more than three times that of Earth's oceans (SN: 1/10/15, p. 8).

BPA has been found in drinking water, in 41.2 percent of 139 streams sampled in 30 states, even in house dust.

«Surface water samples collected on the disposal facility site and immediately downstream exhibited considerably greater EDC activity than surface water samples collected immediately upstream and in a nearby reference stream» said Susan C. Nagel, director of the study and an associate professor in the Department of Obstetrics, Gynecology and Women's Health in the School of Medicine, and an adjunct associate professor of biological sciences in the MU College of Arts and Science.

The researchers collected water samples from gutters, puddles, and streams in two locations: an urban slum and a rural village.

Researchers collected water samples from area lakes, ponds and streams and used polymerase chain reaction (PCR) technology to amplify — or copy — the entire mitochondrial genomes from the eDNA found in those environments.

One science teacher had students work with the local water board to sample water purity in a nearby stream.

The students learned to take water samples for pollutants in a nearby creek, and soon expanded their project, testing all the streams in the area and following the water's path from their landlocked town to Chesapeake Bay.

At the same time, fifth and sixth graders were taking water samples from all the streams and lakes in town to test for pollution.

«We're working with members of the coal industry and state agencies that are engaged in treating AMD (acid mine drainage) solids to sample their waste streams, said Paul Ziemkiewicz, the lead researcher who heads the West Virginia University's (WVU) research with colleagues Xingbo Liu and Aaron Noble at its Water Research Institute in Morgantown.

Until recently, though, there has not been a stream of neutrons bright enough to see the small, pressured water samples.