ppm
1
4.9
- noun
- Specialized
- The manufacturer recommended a target concentration of 4 ppm in the condensate.
- maximum of ppm
- 100 ppm
- level of ppm
Examples
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Today, most commercially grown carrots typically contain 120 to 160 ppm carotene, thanks to the work of Peterson and Simon.
Academic text (1994) -
Exposure to ozone levels as low as 0.10 ppm for one to two hours produces the now-common symptoms.
Academic text (1993) -
For the calculation of the mean, a value of 2.5 ppm was assigned.
Academic text (1993) -
With one exception, all readings exceed the 0.11 ppm limit; in every case, 1991 levels exceeded those of 1990.
Academic text (1993) -
But Chaney says the EPA standard of 400 ppm is sufficiently protective for gardening.
Academic text (2013) -
The nitrate Maximum Contaminant Level (MCL) of 10 ppm was exceeded in six wells in 2003.
Academic text (2008) -
The printer can output 30 pages per minute, which converts to 30 ppm.
-
For high-quality documents, this printer achieves 15 ppm while maintaining clarity.
-
You can expect an average speed of 25 ppm when using the new printer model.
How Fast
Surface Forms
Etymology
Ppm is an abbreviation for pages per minute, where per means 'for each' and minute is a unit of time. So ppm tells you how many pages a printer can make in one minute, which is why a higher ppm means a faster printer.