Sentence examples for per billion for from inspiring English sources
The new standard would be an average of 80 parts per billion, for an eight-hour period.
Under the smog standard now in force, if the concentration of ozone molecules rises above an average of 120 per billion for an hour, the environmental agency records a violation.
A standard of 200 parts per billion for people would probably exempt much of the contamination from cleanup, because most such contamination in the United States ranges from 4 to 100 parts per billion.
Today, the agency said it had asked the National Academy of Sciences "to perform an expedited review of a range of 3 to 20 parts per billion for the establishment of a new drinking water standard".
California has set an interim safety level of 2 to 6 parts per billion for drinking water, telling water systems not to go higher than 40 parts per billion.
In fact, most of Hinkley is below the new California limit (10 parts per billion) for hexavalent chromium.
The original sampling counts were converted into TPM (transcripts per million) for convenience.
Under the current simulation settings, frequencies to achieve the peak response are around 10 per million for naïve T and around 10 per million for naïve B cells.
The human (Hs.667018) lists only three ENAM transcripts per million for healthy (nondental) tissues.
The AAIR for ALL was highest (77.7 per million) for the 1-4 yeageagroupoup.
The read counts for each tissue sample were normalized by calculating the read per kilobase per million for each transcript.
