C14 is being found EVERYWHERE it is not supposed to be, including in specimens that discount any hypothesized contamination. For example 14c is found inside of the hardest naturally occurring stuff on earth, i.e., inside of diamonds. And from natural gas extracted from wells miles below the Earth's surface. And from a small mosasaur bone that still also contains original soft tissue allegedly 80-million years old. And then 14c is also found in coal, and oil, and allegedly billion-year-old chert, and from many countries and locales and various continents: all the dinosaur bones ever tested. See rsr.org/14c.
That's why I offered Jack Horner $25k to carbon date his soft-tissue T. rex (hear that conversation at that same link, toward the bottom of the page). Your analogy was backwards, but I presume, unless you smoke rsr.org/pot, that you are fully aware of this and are trying to finesse the point of your analogy, hoping no one will notice, because you just don't want to acknowledge your error due to both a lack of humility and in solidarity with the evolutionists' zero concession policy.
To take even further the observation of 14c all over the place, we can conduct an experiment based on an observation from the discoverer of carbon dating. Libby discussed that radiocarbon atoms found embedded as part of a collagen lattice CANNOT be contamination, because those atoms get into that protein complex through a sophisticated biological assembly process. When that lattice decomposes, into humic acid, then sure, if handled improperly, a number of those 14c/one-out-a-trillion carbon atoms in the atmosphere could contaminate the specimen. But such atoms are not going to fall into the specimen and replace atoms originally placed into the collagen complex. This is why we creationists have been moving toward doing this additional testing on dinosaur collagen, a scientific test that evolutionists (like Horner) would never do and would prefer that no one ever do (for of course it would yield significant 14c, as expected by Ph.D. young-earth creation geologists, nuclear physicists, biochemists, etc.; see also rsr.org/predictions). And if this laboratory experiment is done, evolutionists of course would try to discredit the testing or preferably, bury the results.
That is how tightly shut an evolutionist's eyes are.