ppb

¹

or p.p.b.

1. (in publishing) paper, printing, and binding.
2. parts per billion.

PPB

²

or P.P.B.

1. (in publishing) paper, printing, and binding.

Example Sentences

In April of this year, methane concentrations reached a record high of 1,931 parts per billion — an increase of 11 ppb compared with the previous year.

From Los Angeles Times

Overall, children’s foods had the highest levels, averaging 19.4 ppb.

From Salon

As for packaging, foods in plastic containers had the highest levels of perchlorate, averaging nearly 54 ppb, followed by foods in plastic wrap and paperboard.

From Salon

In that case the study says the high end of ozone measurements would -- on average -- go up by more than 2.3 ppb.

From Science Daily

“Short of someone confessing, PPB personnel can’t search an apartment without probable cause and/or a warrant,” Benner said.

From Seattle Times