Sentences with phrase «site air samples»

Not exact matches

Also, Ice core samples that go back as far as 800,000 years have atmospheric gasses trapped within, so give a source to determine the make - up of the air, showing consistant level of carbon... directly refuting the AiG site that claimns the air has changed.

To see if these regulations affected bromine concentrations, atmospheric chemist Stephen Montzka of the National Oceanic and Atmospheric Administration in Boulder, Colorado, and colleagues analyzed air samples taken several times each month from 10 land - based sites across the globe between 1995 and 2002.

In another study by Hites, two new flame retardants — one of them sold as Firemaster 550 — were detected in more than half of the air samples taken at six sites along the shores of the Great Lakes, with the highest concentrations around Chicago and Cleveland.

In Colorado, the ATSDR sampled air for pollutants at 14 sites for a 2008 report, including on Susan Wallace - Babb's property.

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

Even when a prime, rock - free site is found, samples can be contaminated with microbial activity or by modern air that seeps in when temperature changes cause the ice to crack.

In 2011, Canadian researchers sampled air at 20 sites worldwide — including five in the Arctic — and found the compounds in all places.

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.

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.

NOAA, for example, which runs a global, cooperative air sampling network, reported last year that all Arctic sites in its network reached 400 ppm for the first time.

Researchers worked with residents affiliated with Hands Across the River Coalition to select air sampling locations at 18 sites in New Bedford, Fairhaven, Dartmouth, and Acushnet.

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).

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.

The gold - standard fracking assessment comes from the Colorado Department of Public Health and Environment, which evaluated some 10,000 air samples from fracking sites and found that the emissions levels were «safe.»

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

Keeling, C. D., and Whorf, T. P., 2005, Atmospheric CO2 records from sites in the SIO air sampling network, Trends: A Compendium of Data on Global Change, Oak Ridge, TN, Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory.

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

General Responsibilities: Conduct environmental site investigations, assessments and surveys to sample, measure and analyze air, water, material, and soil.

These experiences include but are not limited to wide - ranging skills built on an assortment of site investigational activities at numerous locations from New York State to Georgia * air sampling (indoor & outdoor air / sub-slab air / influent & effluent process air) aquifer pump testing * chemical - oxygen injection (large volume) cone penetration testing (CPT) * ground penetrating radar (data collection & analysis) hydro - conduct...