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PPM
(redirected from Parts per million)

    Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia 0.02 sec.

ppm

(Pages Per Minute) The measurement of printer speed. See gppm.

PPM
(communications)
pulse-position modulation
PPM - Portable Pixmap


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In 2000, state toxics investigators detected methane gas between two portable classrooms measuring 150,000 parts per million -- three times the limit at which methane becomes explosive.
METHANE GAS DETECTED UNDER VALLEY CAMPUS OFFICIALS WORKING TO FIND ... by Daily News (Los Angeles, CA)
25 parts per million for one hour; it was last reviewed in 1992.
New air quality standard by Fine, Howard / Los Angeles Business Journal
Refiners will be required to produce at least 80 percent of diesel fuel for highway use with no more than 15 parts per million sulfur content.
High oil and gas prices predicted through 2007 by Implement & Tractor
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