parts per million

The brightness of its light ball only parts per million, and only in the total solar eclipse or with a special instrument to see the corona.

The rice has some of the highest iron concentrations that have been described for white rice (up to 19 parts per million).

So designers all over the world can analyze their products down to the parts per million for human and ecological health.

She sent the bridge in question to a scientific testing laboratory, and its surface allegedly tested at 160 parts per million of lead.

Now , the same mouse is given 80 parts per million hydrogen sulfide in this solid graph, and look what happens to its temperature .

A handful of dirt from your backyard would probably contain a smidgen, maybe a few parts per million.

The sensitivity of modern analytical apparatus has lowered some detection thresholds past parts per million, down to parts per billion.

The range is normally expressed in the same units as test results (e. g. percent parts per million) obtained by the analytical procedure.

Hitherto diesel contained up to 500 parts per million (ppm) of sulphur, but the new rules limit sulphur to 15 ppm.

For swimming pools using ozone for disinfection , ensure that the water should contain not less than 0. 5 Parts per million of chlorine .

Ian Hutcheon: If you go out on the beach and pick up a handful of sand it contains about 4 parts per million of uranium.

The measurement amounts to the neutrinos travelling faster than the speed of light by a fraction of 20 parts per million.

With atmospheric carbon concentrations rising towards 400 parts per million concerns about climate change will not go away.

350's ultimate goal is to achieve global action to lower the concentration of carbon dioxide in the atmosphere to 350 parts per million.

And this precise oxygen concentration, 10 parts per million, that caused suspended animation, is conserved.

Its 95-megapixel camera, the largest ever launched into space, can detect tiny changes in a star's brightness of only 20 parts per million.

A commonly cited goal is to stabilize GHG concentrations around 450-550 parts per million (ppm), or about twice pre-industrial levels.

Current methane concentrations in the Arctic average about 1. 85 parts per million, the scientists said, the highest in 400, 000 years.

Before the industrial revolution the air contained about 280 parts per million of carbon dioxide.

Last week Lord Stern suggested that meeting a less stringent target (500 parts per million) would cost 2% of world gross domestic product.

A normal amount of CO in your blood is extremely low -- zero to eight parts per million.

If the Earth reaches 800-1000 parts per million, as the worst-case scenarios predict, it's really anybody's guess.

Until this past month, the safety standard for consumer paints was 600 parts per million.

The EPA regulates wastes containing 50 (parts per million) ppm PCBs and greater.

Unless you're in a full body suit and have a fully sealed gas mask, two to three parts per million will kill you.

Concentrations in sunlit soil might average about 1, 000 parts per million, the equivalent of roughly a quart of water per ton of material.

So we've designed products and we analyzed chemicals down to the parts per million.

Roughly speaking, every 30 billion tons of emissions raises CO2 levels by around two parts per million (ppm).

Reportedly, the environmental activist group found that Herbal Essences contained 24 parts per million (ppm) of 1, 4-dioxane.

The amounts the OCA found were as high as 97. 1 parts per million, in a dish liquid.

The probiotics tests showed a density of plasticizer at 600 parts per million, far surpassing the Taiwan daily standard of 1. 029 ppm.

Global carbon levels are currently at 380 parts per million compared to 280 before the Industrial Revolution.

At present, atmospheric CO2 has reached 387 parts per million (ppm), well above the preindustrial figure of 280 ppm.

Levels in Rose's house were 28- to 30-parts per million. And that's serious.

What are your lead numbers typically on this product? Do you offer a product with lead under 250 parts per million?

We've developed a carpet that is continuously recyclable, down to the parts per million.

But that never happened. CO2 levels stabilized at about 250 parts per million.

23 out of 28 products 82 percent contained formaldehyde at levels ranging from 54 to 610 parts per million (ppm).

These levels are comparable to the 500 to 1000 parts per million of water in the Earth's upper mantle.

As small as 200 parts per million will kill you.

CO2 levels stabilized at about 250 parts per million.

Like many other governments, Hong Kong limits the level of melamine in food products to 2. 5 parts per million.

Parts per million (applied to defective supplier parts)

Defect Parts Per Million Control Chart

parts per million carbon ppm

Want concentration of CO2 in atmosphere lowered from 380 to 350 parts per million