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Meanings of parts per billion in anglès
Unit of measurement based on number of particles.
Related terms
Sinònims
Examples for "ppb"
Examples for "ppb"
1
In July, a test showed Newark water lead levels at 55 ppb.
2
It is also keeping the exiting annual average standard of 53 ppb.
3
But he chose the 10 ppb dose for a very human reason.
4
At one point, tests in Flint revealed lead levels at over 100 ppb.
5
The province's current limit is 10 ppb - twice as high as federal guidelines.
1
Able to smell explosive traces as fine as one part per billion.
2
The state's limit is one part per billion, below the federal government's limit of five parts per billion.
3
Prof Wall said there was a time when science could detect chemicals and taint in milk at one part per billion.
4
There is methane on Mars too, but the measly amount, just one part per billion, may come from reactions in rocks.
5
On Mars, the amount of methane floating around is measly: about one part per billion, with bursts reaching 10 times that amount.
Usage of parts per billion in anglès
1
The EPA says a concentration of five parts per billion is acceptable.
2
Note that micrograms per liter is the same thing as parts per billion.
3
My tap water sample was very close to five parts per billion TCE.
4
The spectrometers typically detect chemicals in the "low parts per billion" range.
5
The highest test results were at 11 parts per billion (ppb).
6
The European Union limits are 60 parts per billion.
7
Its mass is uncertain to 20 parts per billion.
8
But Formisano measured formaldehyde at 130 parts per billion.
9
The Ministry of Health (MOH) guideline for safe drinking water is 2 parts per billion.
10
In comparison, Earth's atmosphere contains roughly 1,700 parts per billion of methane.
11
The federal level as mandated by the Environmental Protection Agency (EPA) is 15 parts per billion.
12
The state's limit is one part per billion, below the federal government's limit of five parts per billion.
13
Canada's are 63 parts per billion.
14
The US standards, which allow up to 75 parts per billion, are a relic of the George Bush administration.
15
In the tainted bottles of Coke, these residues were present at levels of between five and seventeen parts per billion.
16
Of those, eight sites had lead readings above 100 parts per billion, according to a statement from Governor Rick Snyder's office.