Sentences with phrase «collect air samples»

Ice cores collect air samples over a protracted interval, ranging from a few decades to a few millennia.

If looking for information on the background carbon dioxide levels, atmospheric scientists collect their air samples from remote locations.

Then Wilma Subra stepped in — with a plastic paint bucket outfitted with a simple battery - operated pump to collect air samples — and provided residents with the clear evidence they needed.

Subra, a chemist and microbiologist who works gratis with poor communities to take on big corporations, held workshops at a local church to teach residents how to use the buckets to collect air samples and keep diaries so they could match their physical symptoms with what they smelled in the air.

The scientists investigated the waters near Guam last winter using three different high - tech aircraft to collect air samples and examine the abundance, distribution and transformation of various gases in the tropical atmosphere.

Regulators failed to collect air samples in the week following a radiation release at a New Mexico nuclear waste dump because of a vacancy in the office responsible for monitoring the site

Over a period of six weeks, the researchers collected air samples in Pasadena, located in the notoriously smoggy Los Angeles valley.

The scientists collected air samples on the ground in Malaysia and Taiwan, in the region of the South China Sea, between 2012 and 2014, and shipped them back to the UK for analysis.

To check their results, the team collected air samples on six light aircraft flights over the San Joaquin Valley between Fresno and Visalia, a heavily farmed region within the Central Valley.

Between January 2008 and November 2010, researchers at the Colorado School of Public Health collected air samples in Garfield County, Colo., which has been experiencing intensive drilling operations.

Immediately after the incident, the Wallops» industrial hygienist collected air samples at the Wallops mainland area, the Highway 175 causeway, and on Chincoteague Island.

In October 2006, a team led by the EPA began to assess residents» exposure to erionite by collecting air samples while simulating everyday activities.

The large «metal dome» collects air samples for analysis of environmental pollutants, while the three small cylinders measure nitrogen dioxide (blue), sulfur dioxide (red) and ozone (white).

Nicholas J. Herkert and colleagues at Department of Civil and Environmental Engineering, IIHR - Hydroscience and Engineering and The University of Iowa collected air samples in 16 homes in the Iowa City area using passive air samplers and then analyzed the air for PCB concentration by separating and analyzing them using a very powerful analytical method called GC - MS / MS.

In a recent study, LaFranchi et al. collected air samples at the WLEF tall tower in northern Wisconsin, an area surrounded by forest and wetland ecosystems with a relatively sparse human population.

Using the ARM Aerial Facility's (AAF) Gulfstream - 159 (G - 1) research aircraft, the team will fly three possible flight paths between Prudhoe Bay, Oliktok Point, Barrow, Atqasuk, Ivotuk, and Toolik Lake measuring carbon dioxide, methane, and carbon monoxide — also known as trace gases — using two different types of gas analyzers and collecting air samples of trace gases with a 12 - flask sampler.

Not exact matches

The researchers evaluated a wide range of pesticides currently being used through weekly composite air and rain sampling collected during the 1995 and 2007 growing seasons in the Mississippi Delta agricultural region.

Researchers analyzed blood samples collected from Air Force recruits during the 1940s and early 1950s.

For a year, in addition to testing air samples for radioactive isotopes, Bartke collected soil organisms, insects and other invertebrates, and a few snakes and lizards, making do with the little equipment and few supplies that he had.

Samples collected from surfaces and from the air are cultured on plates containing a growth medium, one specific for bacteria and another for fungi.

The real answer to that question will never be known as few direct measurements were taken of the plume that followed the disintegration of the two towers into a blizzard of dust, though air samples were collected in subsequent weeks and months.

«For example, ocean currents can disperse microorganisms, but there is also evidence that microorganisms travel by air: microbes believed to have originated from the Gobi desert were collected in air samples from the northwestern United States.»

The air samples were collected from a station close to what is known as the well pad, but not the pad itself.

In 2011, the Barcelona researchers equipped an aircraft based in Japan with a newly designed large - volume air - filtering device to collect aerosol samples.

In the three - year study, researchers from Radboud University Medical Centre and The University of Manchester compared resistance profiles in 230 fungal samples, collected from rural areas in West Yorkshire which were treated with fungicides, to 290 air and soil samples from inner city sites across Greater Manchester.

The team focused on Warren Air Force Base in Wyoming, where strep was common, collecting some 45,000 blood samples from more than 9,000 recruits between 1948 and 1954.

Since 2006, he has worked with NOAA's air sampling system that uses glass flasks to collect atmospheric samples from 44 different sites around the world to track the annual increase of ethane and other so - called volatile organic compounds in the air.

The average daily air temperature in the Antarctic summer of 2013, when Goordial collected the permafrost samples which she tested both on the spot and later in the lab, was?

The patient dons a plastic mask that connects to a device that collects samples of exhaled air.

They collected 360 microbial samples from 20 locations (9 air, 11 surface) at 18 time points, using air filters and swabs.

In addition to the air filters, researchers will collect blood samples and ask the traffic officers to use a spirometer several times a day to assess lung function.

To monitor urban air quality, environmental agencies typically measure pollutant concentrations in samples collected at centralized outdoor locations and extrapolate individuals» average exposures from those measurements.

The average daily air temperature in the Antarctic summer of 2013, when Goordial collected the permafrost samples which she tested both on the spot and later in the lab, was − 14 °C and it never rose above 0 °C, making the permafrost difficult to drill.

«We used a UK Met Office computer model of atmospheric transport to look back in time, at where the air samples we collected had travelled from.»

Small planes collected other samples high in the air during 13 flights as the well leaked.

They used the NASA King Air aircraft to collect data profiles in the same regions the G - 1 aircraft sampled data on aerosol properties.

Using a hacked aquarium pump the team sucked up samples of air around Joshua tree flowers, and collected the odor molecules using some custom - made filters containing a special absorbent.

This study aims to collect microbial samples from surfaces, air, staff, and patients from the University of Chicago's new hospital pavilion in order to better understand the factors that influence bacterial population development in healthcare environments.

Air samples are collected hourly during the testing period, then averaged to determine the final radon level result.

The dogs and cats tested were found to be contaminated with 48 of 70 industrial chemicals tested, including 43 chemicals at levels higher than those typically found in people, according to the study of plastics and food packaging chemicals, heavy metals, fire retardants, and stain - proofing chemicals alone (Please NOTE: this test did NOT include cleaning products such as laundry soap, toilet cleaners, floor cleaner, air fresheners, etc.) in pooled samples of blood and urine from 20 dogs and 37 cats collected at a Virginia veterinary clinic.

During Bentley's 21 - day confinement at the decommissioned naval air base, vets wearing full protective suits brought him food and water and collected feces, urine and blood samples for tests as a lab in Dallas.

This product primarily exploits high - quality measurements of air samples collected at tens of sites around the world by various laboratories (119 sites for CO2, 30 sites for CH4 and 127 sites for N2O), in combination with a numerical model of atmospheric tracer transport (Chevallier et al. 2010, Bergamaschi et al. 2013, Thompson et al. 2014).

Description of the analysis of a wide range of volatile organic compounds in whole air samples collected during PEM - tropics A and B

Kort says the air sample data he collected has solved a mystery.

The reference network consists of in - situ measurements at observatories and tall towers, and air samples collected at global surface sites and aboard small aircraft.

The measurement program includes around the clock measurements at 4 baseline observatories and 8 tall towers, air samples collected by volunteers at more than 50 sites, and air samples collected regularly from small aircraft mostly in North America.

9 Data Source: C.D. Keeling and T.P. Whorf, Atmospheric CO2 Concentrations (ppmv) derived from in situ air samples collected at Mauna Loa Observatory, Hawaii, Scripps Institute of Oceanography, August 1998.

Next up, Hendryx says he is planning to collect more samples from air, water, and soil around mountaintop sites.

Firn air was first collected in flasks for additional measurements (e.g., CH4 and CFCs) before GEM sampling actually started.

``... our lab measures CH4 [methane] in air samples collected from sites around the world, including the Arctic.