micrograms

While a micrograms is just 1/1000th of a milligram, cadmium is toxic enough that even small amounts matter.

Shrek Recall: Cadmium Levels Were OK In 12 Million McDonald's Glasses AP 2010

While a micrograms is just 1/1000th of a milligram, cadmium is toxic enough that even small amounts matter.

Shrek Recall: Cadmium Levels Were OK In 12 Million McDonald's Glasses AP 2010

Inhaled steroids are dosed in micrograms (it takes 1000 micrograms to equal 1 milligram).

Asthma FAQs 2010

Five hundred micrograms, which is the amount that can fit on the -- the head of a pin, for example, is enough, if injected into somebody, that can actually kill, for example, a 175 - pound man within a few days.

CNN Transcript Feb 29, 2008 2008

Five hundred micrograms, which is the amount that can fit on the head of a pin, for example, is enough, if injected into somebody, that can actually kill, for example, a 175-pound man within a few days.

CNN Transcript Feb 29, 2008 2008

It was carrying solar wind samples -- charged atoms of oxygen and sodium -- weighing less than 20 micrograms, which is less than a few grains of salt.

NASA's Genesis Capsule Crashes 2004

Some medicines, such as family planning pills, are weighed in milligrams or even smaller amounts called micrograms (mcg or µcg):

Chapter 36 1997

It found 24 per cent of people examined were exposed to water containing up to 10 micrograms of arsenic per litre, the UN's recommended maximum level - and almost half of them were exposed to levels of up to 50 micrograms, which is considered low exposure.

SciDev.Net 2010

.006 micrograms, which is several thousands of times smaller than a single grain of sand.

CNN.com 2009

An official from the state Department of Environmental Conservation told James-Creedon the benzene level in the sample was 500 times higher than the state's health guideline -- .13 micrograms per cubic meter.

The Center for Public Integrity: Where regulators failed, citizens took action -- testing their own air The Center for Public Integrity 2011