It stands for Threshold Limit Value. The concentration of an airborne substance to which average a person may be exposed to many times without adverse effects.
03:03, 28 November 2012
A machine that sorts organic from inorganic matter for ...
Share a term with millions of users around the world and ...
How accomplishes NutraVesta Proven Work? As referenced, ...
Potash is the only source of potassium fertilizer; there ...
A compilation of information required under the OSHA ...
Absorbed through the leaves of the plant, and ...
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