There's no need to double post. I deleted your duplicate post.

Second, do you really think you will be penalized because they didn't blue the toilet? You did them a favor if the form asked if the toilet was blue and it wasn't. They probably like you now LOL.

Some tests require 30 mls, a split sample test usually requires 45 mls. The testers ask for a little more than what is required because people like to short them so by asking for more they can get what they need. Others do it as a scare tactic. THere are plenty of threads and post about this you can search and read about this.