It's shorthand for Parts Per Billion. Units used to express contamination reports, such as establishing the amount of a contaminant in the water, land or air.
01:34, 27 November 2012
A machine that sorts organic from inorganic matter for ...
A compilation of information required under the OSHA ...
How accomplishes NutraVesta Proven Work? As referenced, ...
Share a term with millions of users around the world and ...
Potash is the only source of potassium fertilizer; there ...
Absorbed through the leaves of the plant, and ...
0
Terms
Ordlistor
5
Followers
3
8
1
2