> *question:*
> What is the significance of the number of "0" after the decimal point as
in
> 0.000000...........

In the context of a pesticide residue test like the ones described in the
article, it is reasonable to suppose that the author is putting all those
zeroes in a row to show how low the level of detection (LoD) is for the test
for that specific chemical residue.

Six zeroes tends to imply that the test has either a level of detection of
0.0000001 (one ten-millionth, or 1 x 10^-7), or perhaps 0.000001 (one
millionth, or 1 x 10^-6).
As this is not 100% clear, this is why LoDs should be explicitly stated,
with a phrase like "No residues where found with an LoD of one part per
million"

But parts per million are inadequate these days.  One should see parts per
billion being tossed around far more often than parts per million.
Especially with bees.
	

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