Sentences with phrase «levels of an organic compound»

Depending on what the mother has been exposed to in her environment, breast milk can contain concerning levels of organic compounds like PCBs, as well as heavy metals and hormone - disrupters.

Not exact matches

A number of comparative studies into the health value of organic foods showed lower nitrate content, less pesticide residues, and higher levels of vitamin C, phenolic compounds and omega - 3 fatty acids.

«Garden equipment engines emit high levels of carbon monoxide, volatile organic compounds and nitrogen oxides, producing up to 5 % of the nation's air pollution and a good deal more in many metropolitan areas like Los Angeles.

By using products bearing the GREENGUARD Children & SchoolsSM or GREENGUARD Gold Certification mark, parents, teachers and school officials can rest easy knowing these products have been independently tested and verified to meet strict emission levels of pollutants, such as volatile organic compounds (VOCs), formaldehyde and phthalates.

Greenguard is a third - party independent organization that rates products in regards to indoor air quality and levels of volatile organic compounds.

Paint: Choose water - based paint, ideally one that contains low levels of volatile organic compounds (VOCs) or none at all.

From a human health and environmental perspective, it is therefore important to reduce the indoor and outdoor levels of these volatile organic compounds.

Such model included meteorological factors like levels of aerosols, anthropogenic and biogenic volatile organic compounds (VOCs), ozone, carbon dioxide, methane, and other items that influence global temperature — the surface albedo among them.

It also red flags varieties known to contain high levels of mercury, a metal associated with neurological problems and birth defects, as well as polychlorinated biphenyls (PCBs), organic compounds that are assumed carcinogens and have also been linked to reproductive problems.

Air monitoring by researchers in 2000 found levels of volatile organic compounds — highly reactive ozone precursors such as benzene, known as VOCs — were 10 to 100 times higher than what had previously been estimated.

The reason, according to the research published in the journal Human Reproduction (pdf): soy beans contain high amounts of phytoestrogens, organic compounds that mimic the female hormone estrogen in the human body and, in animal studies, have been shown to reduce testosterone levels.

In the new study, led by Purdue biochemist Natalia Dudareva, the team looked for genetic changes as the plant developed from its budding stage, which had the lowest levels of volatile organic compounds, to its flower - opening stage, with the highest levels.

In one, emissions of nitrogen oxides and volatile organic compounds from human activities would continue at current levels through 2050.

In a separate study, researchers report that all samples drawn from 45 crocodiles at five sites in and around South Africa's Kruger National Park contained detectable levels of four PFAAs, often in different combinations with other of the 15 fluorinated organic compounds tracked.

The sensor works by measuring levels of chemicals called volatile organic compounds present in exhaled breath.

High levels of methane leakage from fracking have been found [163], as well as nitrogen oxides and volatile organic compounds [159].

Study subjects in a room scented with rosemary were found to have enhanced levels of 1,8 - cineole, an organic compound the researchers had previously linked with cognitive performance, and they performed better on word puzzles and memory tests than subjects in an unscented room.

The levels of volatile organic compounds were less than 2 % of the indoor air - quality standard.

In general, organic crops had 18 to 69 % higher levels of antioxidant compounds.

In a new study published in Environmental Science and Technology, the UC Boulder team measured levels of more than 100 different volatile organic compounds (VOCs) in the air, both from the roof of a research lab and from a mobile laboratory driving around Boulder.

The researchers» analysis found organic grains and produce to have higher concentrations of antioxidants, lower levels of cadmium and nitrogen compounds and fewer pesticide residues.

The staggering health benefits of pumpkin seeds come from its unusual nutritional composition, including impressive levels of manganese, tryptophan, magnesium, copper, phosphorous, zinc, iron, and protein, as well as smaller amounts of B complex vitamins, and vitamin A. Furthermore, pumpkin seeds have phytosterols, an organic compound that also contributes to their healthy qualities.

The report examined the levels of volatile organic compounds in a school and nine other buildings.

Environmental technologies include extensive work to create an U-LEV certification in Japan for the 3.8 - liter twin turbo engine and reduced levels of volatile organic compound for materials used in the car.

Of the 24 vegetarian diets the researchers studied, six did not contain adequate levels of one or more amino acids — organic compounds that play a critical biological function, helping to manufacture proteins within the bodOf the 24 vegetarian diets the researchers studied, six did not contain adequate levels of one or more amino acids — organic compounds that play a critical biological function, helping to manufacture proteins within the bodof one or more amino acids — organic compounds that play a critical biological function, helping to manufacture proteins within the body.

«High levels of benzene and volatile organic compounds at the nearby Denver Metro Wastewater plant made closure of a technical services building necessary and have forced employees to wear respirators.»

Garden equipment engines, which have had unregulated emissions untill very recently, emit high levels of carbon monoxide, volatile organic compounds and nitrogen oxides, producing up to 5 % of the nation's air pollution and a good deal more in metropolitan areas.

As if sweltering heat weren't bad enough, Europeans also suffered through a higher - than - normal number of days with dangerous smog levels that year.6 Smog — with ground - level ozone as the main component — forms when sunlight reacts with chemicals such as volatile organic compounds, carbon monoxide, nitrogen oxides, and water vapor.

High levels of methane leakage from fracking have been found [163], as well as nitrogen oxides and volatile organic compounds [159].

Chemical oxygen demand (COD)- The quantity of oxygen required for the complete oxidation of organic chemical compounds in water; used as a measure of the level of organic pollutants in natural and waste waters.

But according to this research, breathing in air with lower levels of volatile organic compounds and carbon dioxide will make your brain work better.

Built into each i - BLADES Smartcase is an «EnviroSensor» that uses a Bosch BME 680 chemical gas sensor as its «nose» and allows for «fast and accurate» measuring of levels of volatile organic compounds (VOCs), temperature, humidity, and air pressure, which are displayed through an accompanying app.

In addition to methane emissions, natural gas sector operations and infrastructure represent a significant source of CO2; volatile organic compounds (VOCs), which are chemicals that contribute to ground - level ozone and smog; and hazardous air pollutants (HAPs).

Many recent news stories have covered health problems caused by indoor air quality, so monitoring devices that can measure temperature, humidity and levels of carbon dioxide and VOC (volatile organic compounds) can be useful in many offices and homes.

It improves your comfort level by smartly analyzing the presence of volatile organic compounds in the atmosphere.

It reveals dangerous levels of radon, carbon dioxide, and volatile organic compounds in a space.