Quote Originally Posted by slantedeyes
The 15ng means that the second confirmation must come in at 15ng or less for the test to be negative. You came in at 54ng. Now you see how close your were to passing the first confirmation that it would have never gone to the second confirmation if your first confirmation was 49ng or less.
Ok.
So they don't reveal what the second confirmation actual quantity/result is?
Is 50ng quantity on the first somehow equal to a 15ng quantity on the second, or something?
15ng is very confusing...