How are your pass/fail results determined in microbial testing? I understand this is different state to state, so I was wondering if someone could share from each legal state.
In Colorado, we currently use a “total yeasts and molds” count, which has a number of inherent problems. 10,000 CFU is the pass/fail line.
We have gotten some genus tests done on failed product, which have come back as penicillium and some type of dermatophyte, both of which can be soil-born, are pretty much everywhere in the air, and don’t produce mycotoxins or human illnesses.
I would love to see Colorado take a closer look at it’s standards. From what I’ve heard, other states are testing for specific pathogens and mycotoxins, which makes more sense to in my opinion. Powdery mildew doesn’t even grow in vitro from my understanding so it goes unaccounted for. I’ve heard from a couple sources as well that 100,000 CFU would be a much more appropriate threshold than 10,000 CFU.
Share your thoughts, state guidelines, and experiences?