That sounds like an area where someone can sell a device that scans for toxins/mold/etc. Put a sample, if the machine says "Bad" then throw away, if it says "OK", then hope it's not an Elizabeth Holmes-esque shithousery...
> All american fridges contain at least 20% expired condiments, by volume.
Refrigerators are generally sized between 300 and 500 liters. Are you suggesting that most (I won't even say all) refrigerators have 60 liters of expired condiments?
Do you realize all your posts are getting flagged because they are useless and uninteresting and nobody wants to read them or cares what you say? You do know that, right?