Sentences with phrase «microgram standard»

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

Not exact matches

China's cities need to reduce PM2.5 to an annual average of 35 micrograms in order to meet state standards.

World Health Organization and U.S. Environmental Protection Agency soot «standards are 25 micrograms per cubic meter over 24 hours.

The national safety standard is 10 micrograms per litre.

In the U.S. the legally required standard for air quality from 1971 to 1987 was 75 micrograms.

Since there is no federal standard for arsenic in most food, Consumer Reports compared the samples with the standard set for drinking water in New Jersey: 5 micrograms per liter, the strictest regulation in the nation.

Sometimes it measured 7,000 micrograms of particulate matter per cubic meter, which is more than 400 times the maximum level that federal standards consider healthy.

They found that meeting a 0.060 parts per million (ppm) 8 - hour standard for O3 rather than the EPA's 0.070 ppm standard, and an 11 micrograms per cubic meter (μg / m3) annual standard for PM2.5, rather than the EPA's 12 μg / m3 standard, would each year:

Where the EPA safety level for daily exposure is 0.1 microgram per kilogram (about 2.2 pounds) of body weight, the FDA's standard is about 0.4 microgram per kilogram per day.

During a pilot study in 2009, Fernández found one shop in Huepetuhe where mercury averaged 450 micrograms per cubic meter of air — 22 times higher than the World Health Organization's occupational health standard — with spikes as high as 1,000.

I also went beyond Dr. Small's advice and took 2.4 micrograms of vitamin B12, the standard recommended daily amount — since studies show people with low levels perform poorly on memory tests — and 1,000 international units of vitamin D, discovered by Tufts University researchers to boost cognitive function.

If the silver in drinking water meets EPA standards, an average person drinking 2 liters per day will consume less than 200 micrograms of silver.

The article shows that bone stock made according to a standard recipe and not concentrated further contained just over ten times the concentration of lead as tap water used as a control (9.5 micrograms of lead per Killogram of liquid stock versus 0.89 per Killogramkillogram of water).

Now Foods said of course we test for lead — that's nice — and claim that at least their recent batches meet the less than half a microgram California standard.

Because of its newer and better - researched status, we used the National Academy of Sciences standard of 30 micrograms for adults 19 and older as our WHFoods recommended intake level for biotin.

The EPA standard is 10 micrograms per liter.

By contrast, U.S. cities exceed air quality standards when PM10 concentrations reach 150 micrograms per cubic meter.

Research has found that groundwater nitrate levels in private wells across the state are nearing the state's drinking water standard of 10,000 micrograms per liter.

The current annual standard is 15 micrograms per cubic meter.

For example, «While both Fiji Water and Cleveland's tap water met all federal standards, the lab tests reportedly indicated that Fiji Water contained volatile plastic compounds, 40 times more bacteria than are founding well - run municipal water systems, and most noticeably, over six micrograms per liter of arsenic.

(An API of 100 is still 6 times more polluted than the World Health Organization's long - term exposure standard for PM10 particulate matter, at a concentration of 20 micrograms / m3.)