Sentences with phrase «micrograms limit»

The Drinking Water Inspectorate revealed last week that a survey in 1994 found that 3.2 per cent of homes failed the existing 50 micrograms limit — a marginally worse result than in 1991, when 3.1 per cent failed.

Not exact matches

Separate from the EDF's study, the EPA has reported that more than 1 million children are consuming lead levels that exceed the FDA's limit of safe lead consumption of 6 micrograms per day.

In its investigation, Consumer Reports tested three commercial infant rice cereals and found an average of 1.44 micrograms of inorganic arsenic in a single serving, which means that a baby who has two servings a day could exceed the EPA's limits for arsenic exposure.

To put that into perspective, the World Health Organization (WHO) puts the threshold for safe air at 25 micrograms per cubic meter, and India's Central Pollution Control Board limits exposure to 60 micrograms per cubic meter, said Cusworth, a member of the Atmospheric Chemistry Modeling Group led by Daniel J. Jacob, the Vasco McCoy Family Professor of Atmospheric Chemistry and Environmental Engineering, and Loretta J. Mickley, Senior Research Fellow at SEAS.

The new limit, published at the end of May, was recommended by the WHO in 1992 and replaces an old 50 - microgram standard.

Britain's Drinking Water Inspectorate last week revealed in its annual report that as many as one in five homes in Britain may exceed the proposed new European safety limit of 10 micrograms of lead in a litre of tapwater.

That is why a major study by the US Oak Ridge National Laboratory in 1989 recommended reducing the safety limit for uranium in kidneys from 3 micrograms per gram to 0.3 micrograms per gram.

And he points out that the lead concentration level the EPA sets as its action limit — 15 micrograms per liter — is essentially arbitrary.

For my weight, my limit is about 43 micrograms of methylmercury per week.

About 10 percent of women may ingest more than the upper limit of 1,000 micrograms daily — about 2.5 times the recommended amount, a 2011 study found.

«Unlike a lot of organic pollutants in drinking water where the regulatory limit may be in the microgram per liter range, for NDMA, the regulatory guideline in many places ranges from 10 nanograms per liter to 100 nanograms per liter.

The results showed that 20 percent of the wells surveyed had arsenate and arsenite concentrations above the drinking water limit of 10 micrograms per liter.

Even small quantities of aflatoxin can ruin a large harvest, and the US Food and Drug Administration (FDA) has strict guidelines in place that limit the amount allowed in food to a mere 20 micrograms per kilogram, or 20 parts per billion (ppb).

The acidity from tomatoes cause BPA to leach into food, and each liter of canned tomatoes contain 50 micrograms of BPA which is the upper exposure limit.

But even if it's 3 ppm, that translates into less than 45 micrograms per serving, nearly 100 times more than the California limit.

The samples were found to contain levels of mercury ranging from below a detection limit of 0.005 to 0.570 micrograms mercury per gram of high fructose corn syrup.

The journal Environmental Health published a research article that says this about the testing of samples of HFCS: «The samples were found to contain levels of mercury ranging from below a detection limit of 0.005 to 0.570 micrograms mercury per gram of high fructose corn syrup.

The US recommended dietary allowance (RDA) for iodine is 150 - 290 micrograms (mcg) for adults, while the Food and Nutrition Board of the Institute of Medicine has set the tolerable upper limit at 1,100 mcg.18, 23,24

WHO recommends a maximum level of particulate matter of 20 micrograms per cubic metre, yet major cities such as Cairo, Delhi and Beijing are on average far beyond this limit.