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русский
одна миллиардная
испанский
parte por billon
каталонский
parts per mil milions
Unit of measurement based on number of particles.
ppb
part per billion
unit of concentration
parts-per notation
ucum derived unit
русский
одна миллиардная
ppb
part per billion
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.
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.
русский
одна миллиардная
ppb
долей на миллиард
частей на миллиард
миллиардная доля
испанский
parte por billon
partes por billon
ppb
partes por mil millones
parte por billón
partes por billón
каталонский
parts per mil milions
part per miliard
part per mil milions
parts per miliard