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[shvet1]

Good day, forum

 

Can anyone share a worth source for PCt₅₀, HCt₅₀, LCt₅₀, LD₅₀, LC₅₀? What does it exactly mean? Is there some database of threshold values for chemicals? Which codes and practices are worth to be implemented?

Edited by shvet1, 20 June 2018 - 11:16 PM.