What does ppm stand for?
ppm stands for "potentially pathogenic microorganisms"
How to abbreviate "potentially pathogenic microorganisms"?
"potentially pathogenic microorganisms" can be abbreviated as ppm
What is the meaning of ppm abbreviation?
The meaning of ppm abbreviation is "potentially pathogenic microorganisms"
What does ppm mean?
ppm as abbreviation means "potentially pathogenic microorganisms"
