Municipal agency in Portland, Oregon, United States.
Unit of measurement based on number of particles.
Синонимы
Examples for "part per billion "
Examples for "part per billion "
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).
Former Brazilian political party, current Progressistas (1995 - 2003)
Pulmonary blastoma that derives from the lung or pleural cavity.
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.
6 The highest test results were at 11 parts per billion ( ppb ) .
7 The EPA's current drinking water standard is 3 ppb .
8 Ambient NO greater than 5 ppb significantly affected FENO.
9 Conclusion: The presented sensor features high sensitivity and a fast response even at concentrations near 1 ppb .
10 The federal action level is 15 ppb .
11 It will replace the current standard of 75 ppb set in 2008.
12 Under FDA guidelines, certain types of animal feed can contain an aflatoxin concentration of up to 300 ppb .
13 The current standard is 84 ppb .
14 In a recent study on the effects of imidacloprid, a food dose of just 20 ppb destroyed honeybee colonies.
15 The seasonal means for each plot range between 36.8 and 49.8 ppb in 2008.
16 Some levels were as low as 3 ppb while others were above 500 ppb .
Другие примеры для термина "ppb"
Grammar, pronunciation and more
Ppb в диалектах
Соединенные Штаты Америки