Originally Posted by BeatNavy

You have those tests done at a lab and of course they give you the results. They are your records. Your doctor (or google) may give you normal levels.

That guy followed up and posted this:


Another guy posted his results and his doctor had slightly different ranges that he considered "normal."

Apparently if you have an event and put your tie in a ziplock bag it can be tested as well, but I'm not sure how to do that.